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Missing SSD Triggers Massive Data Breach Fear at Kyushu Electric Power
Occurred 9 Jun 2026·Detected 14 Jun 2026·
🇯🇵 Kyushu region, Japan (headquartered in Fukuoka)2 reports
CyberEnergy & InfrastructureEnergyCyberCasualty & Liability
A solid-state drive (SSD) is reported missing at Kyushu Electric Power, a major Japanese energy utility headquartered in Fukuoka, prompting local media to flag a feared large-scale data breach. Key facts remain unconfirmed, including the encryption status of the device, the sensitivity of any data held on it, the number of records potentially affected, and whether the device was stolen or simply misplaced. The event remains at the signal stage with no evidenced insurance claims activity, loss estimate, or London Market pricing impact to date.
AI-generated from linked source reports. See our correction policy.
Impact verdict
Low impact. LOW. A concrete London Market loss pathway is not yet evidenced. Reporting describes a missing device and feared breach at a major Japanese energy/utility, but does not substantiate confirmed data exposure, named-insured asset damage, claims activity, or a loss estimate. Cyber liability, energy infrastructure, and commercial crime exposures remain plausible at the signal stage only, pending confirmation of encryption status, data sensitivity, and record counts. No economic-only or insured-industry severity figures are available to floor or cap severity banding.
View assessment methodologyHow we grade what we know -- Known · Reported · Uncertain. Methodology →
Intelligence ledger
Each line expands in place to its underlying sourced claim.
Known41 lines
An SSD is reported missing at Kyushu Electric Power▾
structured lineknown
No separate sourced-claim record is available for this line yet.
A massive data breach is feared as a result▾
structured lineknown
No separate sourced-claim record is available for this line yet.
The incident involves a major Japanese energy/utility company▾
structured lineknown
No separate sourced-claim record is available for this line yet.
The incident is located in the Kyushu region of Japan; the company is headquartered in Fukuoka.▾
kyushu_geo_fukuoka_jpwatchvalid from 9 Jun 2026, 10:45Cyber
Market relevance: Geographic context for APAC cyber exposure aggregation.
The affected entity is a major Japanese energy/utility company headquartered in Fukuoka, operating in the Kyushu region.▾
kyushu_japanese_utility_statussector contextvalid from 14 Jun 2026, 00:27cyber
Market relevance: Utility sector exposure adds critical infrastructure and regulatory considerations to the cyber signal.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Kyushu Electric Power is headquartered in Fukuoka, Japan; the incident falls within Japanese regulatory jurisdiction, including the Act on the Protection of Personal Information (APPI).▾
kyushu_ep_japan_jurisdiction_contextsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: APPI notification thresholds are relevant if personal data is confirmed affected.
The incident is associated with Kyushu Electric Power, headquartered in Fukuoka, in the Kyushu region of Japan.▾
kyushu_ep_event_locationcontextvalid from 14 Jun 2026, 00:27Energy
Market relevance: Geographic context for Japan-focused energy/utility exposures.
The affected entity is Kyushu Electric Power, a major Japanese energy/utility company headquartered in Fukuoka in the Kyushu region of Japan.▾
entity_kyushu_electric_power_identitycontextvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Identifies a named Japanese utility insured for cyber and energy exposures.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
The incident involves a major Japanese energy/utility company headquartered in Fukuoka, Kyushu region.▾
kyushu_utility_sector_contextcontextEnergy
Market relevance: Critical infrastructure context elevates regulatory and reputational risk dimensions.
The affected entity is a major Japanese energy/utility company headquartered in Fukuoka.▾
kyushu_epc_utility_critical_infrastructure_contextcontextvalid from 9 Jun 2026, 10:45Cyber
Market relevance: Identifies the named insured class; relevant to utility-sector cyber and property/energy underwriting portfolios with Japan exposure.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
The incident involves Kyushu Electric Power, a major Japanese electric utility headquartered in Fukuoka, operating in the energy and power infrastructure sector.▾
affected_entity_japanese_energy_utilitycontextvalid from 14 Jun 2026, 00:27Energy
Market relevance: Confirms exposure is to a Japanese energy/power sector insured; informs energy and cyber underwriting context.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Kyushu Electric Power is a major Japanese energy/utility company, with attendant critical-infrastructure and operational-technology exposure considerations.▾
kyushu_epower_sector_utilitycontext onlyCyber
Market relevance: Utility/OT exposure elevates the sensitivity of any confirmed data loss event for cyber and energy underwriters.
The incident concerns Kyushu Electric Power, headquartered in Fukuoka in the Kyushu region of Japan.▾
kyushu_epower_incident_locationcontext onlyCyber
Market relevance: Identifies jurisdiction; relevant to APAC cyber and energy exposures and to Japanese data-protection notification requirements.
An SSD has been reported missing at Kyushu Electric Power, a major Japanese energy utility headquartered in Fukuoka.▾
kyushu_ssd_missing_reportedwatchvalid from 9 Jun 2026, 10:45Cyber
Market relevance: Signal-stage cyber/data incident at a major APAC utility; relevant to cyber liability underwriters with Japanese utility exposures.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Supersession history: 1 prior/revised claim rows.
A solid-state drive (SSD) is reported missing at Kyushu Electric Power's Fukuoka-headquartered operations.▾
kyushu_ep_ssd_missing_reportedsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Named Japanese utility; potential trigger for cyber liability and commercial crime coverage considerations.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Supersession history: 1 prior/revised claim rows.
A solid-state drive (SSD) has been reported missing at Kyushu Electric Power, a major Japanese utility headquartered in Fukuoka.▾
kyushu_ep_ssd_missingloss watchvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Indicates a possible cyber liability and data breach exposure at a major Japanese energy utility; magnitude unconfirmed.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Supersession history: 1 prior/revised claim rows.
A solid-state drive (SSD) has been reported missing at Kyushu Electric Power, a major Japanese energy/utility company headquartered in Fukuoka.▾
incident_ssd_missing_kyushu_electricsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Insured entity incident at a major Japanese utility with potential cyber liability and energy infrastructure implications.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
A solid-state drive (SSD) has been reported missing at Kyushu Electric Power.▾
kyushu_ssd_missingloss watchCyber
Market relevance: Cyber liability and commercial crime exposure pathway; signal stage only.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Kyushu Electric Power has reported a missing solid-state drive (SSD).▾
kyushu_epc_ssd_missing_reportedsignal onlyvalid from 9 Jun 2026, 10:45Cyber
Market relevance: Utility-sector cyber/data incident at a major Japanese power company; potential trigger for cyber and commercial crime coverage review.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
A solid-state drive (SSD) has been reported missing at Kyushu Electric Power, a major Japanese electric utility headquartered in Fukuoka.▾
incident_ssd_missing_at_kyushu_electricsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Signal-stage data security incident at a Japanese utility; relevant to cyber liability and energy infrastructure lines.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
No loss estimate has been reported or evidenced for this incident.▾
kyushu_no_loss_estimatewatchvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Absence of loss estimate supports low current materiality and signal-stage classification.
Source · 18 Jun 2026, 11:03
No loss estimate, claims activity, or market pricing impact has been evidenced at the signal stage.▾
no_confirmed_loss_or_claims_activitysignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Absence of quantified loss supports a low-potential-impact reading on London Market lines.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
No insurance claims activity, loss estimate, or London Market pricing impact has been evidenced as of the latest update.▾
kyushu_no_insurance_activitywatchvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Absence of evidenced claims activity supports signal-stage classification with low current materiality.
Source · 18 Jun 2026, 11:03
No insurance claims activity, loss estimate, or London Market pricing impact has been evidenced at this stage.▾
kyushu_no_insurance_activity_evidencedno market signalvalid from 14 Jun 2026, 00:27cyber
Market relevance: Absence of evidenced claims or loss estimate keeps the event below material market threshold.
No insurance claims activity, loss estimate, or London Market pricing impact has been evidenced in relation to the missing SSD at Kyushu Electric Power.▾
kyushu_ep_no_insurance_activity_evidencedno implication evidencedvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Direct negative finding — absence of market impact supports low banding.
No insurance claims activity, loss estimate, or market pricing impact has been evidenced to date.▾
kyushu_ep_no_market_pricing_impactno market pricing impact evidencedvalid from 14 Jun 2026, 00:27
Market relevance: Absence of insured severity figure prevents upward banding under PQER Q6.
The event remains at the signal stage pending confirmation of data-handling controls and exposure scope.▾
kyushu_event_lifecycle_signalwatchvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Signal-stage classification indicates no confirmed loss activity or pricing impact.
The event remains at the signal stage pending confirmation of data-handling controls and exposure scope.▾
kyushu_lifecycle_signal_stagelifecycle contextvalid from 14 Jun 2026, 00:27cyber
Market relevance: Signal-stage events do not yet warrant insured-market severity banding or pricing adjustments.
The event remains at the signal stage pending confirmation of data-handling controls and exposure scope.▾
kyushu_ep_lifecycle_signal_stagesignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Lifecycle at signal stage constrains materiality to low band absent further evidence.
Supersession history: 1 prior/revised claim rows.
No insurance claims activity, loss estimate, or London Market pricing impact has been evidenced in connection with the Kyushu Electric Power missing SSD incident.▾
kyushu_ep_no_insurance_claim_activityno observed lossvalid from 14 Jun 2026, 00:27
Market relevance: Absence of any evidenced claims or loss estimate supports the low material impact banding and signal-stage lifecycle.
The event remains at the signal stage pending confirmation of encryption status, data sensitivity, record counts, and cause of loss.▾
kyushu_ep_lifecycle_signallifecycle watchvalid from 14 Jun 2026, 00:27
Market relevance: Lifecycle staging governs the operational response; signal stage implies watch, not action, until facts are confirmed.
The event remains at the signal stage with no confirmed exposure, loss estimate, or insurance claims activity evidenced.▾
kyushu_ep_event_lifecycle_signallow materialityvalid from 14 Jun 2026, 00:27
Market relevance: Lifecycle status drives PQER Q6 market-materiality banding; signal-stage events are low by default absent insured severity data.
The event remains at the signal lifecycle stage, with no confirmed data exposure, claims, or loss estimate.▾
lifecycle_signalcontextvalid from 15 Jun 2026, 15:58Cyber
Market relevance: Lifecycle stage indicates no actionable market signal at this time.
No financial loss estimate has been evidenced in connection with the missing SSD at Kyushu Electric Power.▾
absent_loss_estimatesignal onlyvalid from 15 Jun 2026, 15:58Cyber
Market relevance: Absence of loss estimate supports a low materiality signal.
No insurance claims activity has been evidenced in connection with the missing SSD at Kyushu Electric Power.▾
absent_claims_activitysignal onlyvalid from 15 Jun 2026, 15:58Cyber
Market relevance: Absence of claims activity supports a signal-only classification.
No loss estimate, claims activity, or insurance market pricing impact has been evidenced in the available reporting.▾
kyushu_no_confirmed_loss_estimatecontextCyber
Market relevance: Absence of any insured severity figure keeps materiality at signal stage; insured-industry figures never forced to set severity banding.
The event remains at the signal lifecycle stage; no escalation to incident or loss has been evidenced.▾
kyushu_lifecycle_signalcontextCyber
Market relevance: Signal-stage status preserves default LOW potential impact absent confirmed loss pathway.
This event is currently at the signal lifecycle stage, with no confirmed data exposure, claims, or loss estimate.▾
kyushu_epc_lifecycle_status_signalcontextvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Defines downstream alerting and re-pricing thresholds; signal-stage events are monitored, not yet binding on underwriting action.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
No claims activity, loss estimate, or market pricing impact has been evidenced for this incident.▾
kyushu_epc_no_confirmed_claims_or_loss_estimatecontextvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Anchors the signal-stage (not event-stage) classification; supports holding potential_impact at low until facts firm up.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
The incident is at the signal stage. No confirmed data exposure, loss estimate, or claims activity has been reported.▾
lifecycle_status_signalcontextvalid from 14 Jun 2026, 00:27
Market relevance: Confirms event has not progressed to a confirmed or active loss stage; no pricing impact expected at this time.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
The event remains at signal-stage maturity, with no confirmed loss, claims activity, or market pricing impact reported.▾
kyushu_epower_lifecycle_signalcontext onlyCyber
Market relevance: Lifecycle stage indicates monitoring rather than active loss-adjustment posture.
Reported23 lines
The SSD may have contained sensitive customer or operational data▾
structured linereported
No separate sourced-claim record is available for this line yet.
Police or authorities may be involved in the investigation▾
structured linereported
No separate sourced-claim record is available for this line yet.
Police or authorities may be involved in investigating the missing SSD, per media coverage.▾
kyushu_investigation_reportedwatchCyber
Market relevance: Police involvement could shape theft-vs-loss determination and crime/fidelity coverage triggers.
Source · 18 Jun 2026, 11:03
The incident involves a major Japanese energy/utility, raising potential exposure under cyber liability and energy infrastructure lines.▾
kyushu_utility_sector_exposurewatchCyber
Market relevance: Utility-sector cyber events can catalyse cross-LoB scrutiny (cyber, energy, crime) but none is yet evidenced here.
Local media have expressed fears of a massive data breach stemming from the missing SSD, though exposure has not been substantiated.▾
kyushu_data_breach_fearedwatchvalid from 9 Jun 2026, 10:45Cyber
Market relevance: Indicates potential cyber/data breach pathway relevant to cyber liability and crisis management coverage.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Local media coverage raises fears of a massive data breach as a result of the missing SSD at Kyushu Electric Power.▾
kyushu_ep_breach_fear_reportedsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Severity framing in headline-level coverage; no confirmed exposure yet.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Police or authorities may be involved in the investigation into the missing SSD at Kyushu Electric Power.▾
kyushu_ep_authority_investigation_reportedsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Authority involvement is typical signal-stage context; no insured-loss implication evidenced.
Local media coverage raises fears of a massive data breach arising from the missing SSD at Kyushu Electric Power.▾
kyushu_ep_data_breach_fearreputational watchvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Media framing of a 'massive' breach increases reputational and regulatory attention but is not yet substantiated by technical evidence.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Supersession history: 1 prior/revised claim rows.
GDELT/GKG themes associated with the originating article reference ICT security, storage management, servers, authentication, and power systems, indicating the device was tied to ICT infrastructure with potential overlap into operational technology domains.▾
kyushu_ep_cyber_physical_concern_signalsecondary watchvalid from 9 Jun 2026, 10:45Cyber
Market relevance: Overlap of ICT and OT-adjacent themes raises the secondary watch item of potential operational technology exposure, though no operational impact is evidenced.
Kyushu Electric Power operates in the Japanese energy and utilities sector, a critical infrastructure vertical relevant to cyber and physical loss exposures.▾
kyushu_ep_utility_sector_signalsector watchvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Critical infrastructure context increases regulatory scrutiny and elevates the notional severity of any confirmed cyber event.
Local media reporting raises fears of a massive data breach at Kyushu Electric Power as a result of the missing SSD.▾
kyushu_data_breach_fearloss watchCyber
Market relevance: Concerning only if confirmed; no evidence of confirmed exposure.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
The missing SSD may have contained sensitive customer or operational data, per reporting; data sensitivity is not confirmed.▾
kyushu_sensitive_data_suspectedloss watchCyber
Market relevance: Drives potential cyber liability severity if confirmed; unverified at signal stage.
“A solid-state drive (SSD) containing sensitive data has gone missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Local media reporting raises fears of a large-scale data breach as a result of the missing SSD.▾
kyushu_epc_potential_data_breach_fearedsignal onlyvalid from 9 Jun 2026, 10:45Cyber
Market relevance: Severity framing of the incident in reporting; relevant to first-party and third-party cyber liability scope assessment once facts emerge.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Local media (Asahi Shimbun) report fears of a large-scale data breach arising from the missing SSD, citing potential exposure of customer or operational data.▾
feared_large_scale_data_breachsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Breach feared but not confirmed; relevant to cyber liability and first-party data breach response exposures.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Reports speculate the SSD may have contained sensitive customer or operational data, though the actual data type is unconfirmed.▾
kyushu_ep_data_sensitivity_speculativeseverity uncertainvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Sensitive data exposure would elevate privacy-regulator notification and class-action risk.
Local reports indicate that police or relevant authorities may be involved in investigating the missing SSD.▾
kyushu_ep_authority_involvement_reportedloss watchvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Authority involvement can trigger regulatory notification and may shift incident response cost.
Local media report fears of a massive data breach at Kyushu Electric Power arising from the missing SSD, though no exposure has been confirmed.▾
kyushu_ep_data_breach_fearedloss watchvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Pre-event indicator; supports cyber liability monitoring.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
A feared data breach at Kyushu Electric Power has been reported, premised on the missing SSD potentially holding sensitive customer or operational data.▾
kyushu_epower_data_breach_fearsignal onlyCyber
Market relevance: Frames the incident as a potential data exposure event relevant to cyber liability coverage.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Local Japanese media coverage expresses fears of a massive data breach following the missing SSD, but no confirmed data exposure has been reported.▾
kyushu_data_breach_fear_reportedsignal onlyvalid from 14 Jun 2026, 00:27cyber
Market relevance: Concern-level signal only; no confirmed exposure supports material market repricing.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
A solid-state drive has been reported missing at Kyushu Electric Power.▾
kyushu_epower_ssd_missingsignal onlyCyber
Market relevance: Indicator of a potential cyber/data security event at a major Japanese utility; relevant to cyber liability underwriters and reinsurance treaty renewals with Japanese energy accounts.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Local media reporting raises fears of a large-scale data breach as a result of the missing SSD, with potential exposure of customer or operational data.▾
data_breach_fear_potential_exposuresignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Signals potential cyber liability and data breach exposure for a major Japanese utility.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Reporting indicates possible involvement of police or relevant authorities in the investigation of the missing SSD.▾
reported_authority_involvementcontextvalid from 14 Jun 2026, 00:27Commercial Crime
Market relevance: Authority involvement is contextual for commercial crime and regulatory response.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Police or relevant authorities may be involved in the investigation of the missing SSD; involvement is reported but not officially confirmed.▾
kyushu_authority_involvementcontextCyber
Market relevance: Authority involvement may indicate theft framing or regulatory escalation; unconfirmed.
Uncertain39 lines
Whether the data was encrypted▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
The number of individuals or records potentially affected▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
Whether the SSD was stolen or simply lost▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
The scale and sensitivity of data on the missing device▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
The number of individuals or records potentially affected by the missing SSD has not been disclosed.▾
kyushu_ep_records_affected_unknownseverity unknownvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Record count drives potential regulatory notification costs and aggregate cyber liability severity; absence prevents any floor or cap on severity.
Supersession history: 1 prior/revised claim rows.
The number of individuals or records potentially affected by the missing SSD has not been disclosed or confirmed.▾
uncertain_affected_record_countuncertainvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Record count is a primary driver of cyber liability, breach response, and regulatory notification severity.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
The number of individuals or records potentially affected by the missing SSD is not known.▾
kyushu_ep_affected_records_unknownseverity uncertainvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Record count is a key driver of cyber liability loss size and notification cost.
Whether the SSD was stolen or simply lost remains unconfirmed.▾
kyushu_theft_vs_loss_uncertainexposure scope pendingcyber
Market relevance: Theft vs loss affects criminal coverage, forensic response, and regulatory treatment under Japanese data protection law.
The sensitivity and scale of data potentially held on the missing SSD remain unconfirmed.▾
kyushu_data_sensitivity_uncertainexposure scope pendingcyber
Market relevance: Customer vs operational vs SCADA-related data materially shifts first- and third-party cyber exposure.
Whether the data on the missing SSD was encrypted remains unconfirmed.▾
kyushu_encryption_status_uncertainexposure scope pendingcyber
Market relevance: Encryption status is a key determinant of cyber liability severity and notification triggers.
The number of individuals or records potentially affected by the missing SSD remains unconfirmed.▾
kyushu_records_affected_uncertainexposure scope pendingcyber
Market relevance: Record count is a primary driver of regulatory notification, class action, and loss severity banding.
The scale and sensitivity of data on the missing SSD, including any customer or operational information, have not been confirmed.▾
kyushu_ep_data_sensitivity_unknownseverity unknownvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Data category (PII vs. operational) materially shifts regulatory and notification cost exposure; unresolved at this stage.
Whether the SSD was stolen or simply lost has not been determined from public reporting.▾
kyushu_ep_theft_vs_loss_unknowncoverage pathway unresolvedvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Cause of loss affects which policy triggers may apply (cyber liability vs. commercial crime vs. fidelity); unresolved, coverage pathway cannot be confirmed.
Supersession history: 1 prior/revised claim rows.
Whether the data on the missing SSD was encrypted remains unconfirmed in public reporting.▾
kyushu_ep_encryption_status_unknownseverity unknownvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Encryption status is a primary determinant of whether the incident translates to a material cyber liability loss; unresolved, severity cannot be banded.
Supersession history: 1 prior/revised claim rows.
Whether the SSD was stolen or simply lost has not been confirmed.▾
kyushu_ep_ssd_loss_vs_theft_unknownpotential crime or cyber exposureCommercial Crime
Market relevance: Theft vs. accidental loss affects crime vs. cyber liability coverage posture; unconfirmed at signal stage.
Whether the data on the missing SSD was encrypted has not been confirmed.▾
kyushu_ep_ssd_encryption_unknownpotential cyber exposureCyber
Market relevance: Encryption status is a key driver of breach exposure; unconfirmed at signal stage.
Whether the missing SSD contained sensitive customer or operational data, and the scale of any such data, remains unconfirmed.▾
kyushu_ep_ssd_data_sensitivity_unknownpotential cyber exposureCyber
Market relevance: Data sensitivity is a key determinant of cyber liability severity; unconfirmed at signal stage.
The scale and sensitivity of the data held on the missing SSD have not been confirmed.▾
uncertain_data_sensitivity_and_scopeuncertainvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Scope of personal, customer, or operational data drives regulatory notification and liability severity.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
The number of individuals or records potentially affected by the missing SSD is unconfirmed.▾
kyushu_ep_affected_record_count_uncertainsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Record count drives regulatory notification scope and potential cyber liability severity.
The scale and sensitivity of data on the missing SSD is unconfirmed; the device may have contained sensitive customer or operational data.▾
kyushu_ep_data_sensitivity_uncertainsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Data sensitivity drives regulatory exposure (e.g., APPI in Japan) and potential cyber liability severity.
The number of individuals or records potentially affected by the missing SSD is unconfirmed.▾
kyushu_ssd_record_countwatchCyber
Market relevance: Record count is a primary severity driver for cyber liability and notification cost exposure.
Source · 18 Jun 2026, 11:03
It is not yet confirmed whether the SSD was stolen or simply lost/misplaced.▾
kyushu_sdd_theft_vs_losswatchCyber
Market relevance: Theft vs. loss classification shapes coverage trigger (crime/fidelity vs. cyber) and loss pathway.
Source · 18 Jun 2026, 11:03
The scale and sensitivity of any data held on the missing SSD are not yet known.▾
kyushu_data_sensitivity_scopewatchCyber
Market relevance: Data sensitivity (PII vs. operational) drives notification, regulatory, and reputational exposure.
Source · 18 Jun 2026, 11:03
Whether the data on the missing SSD was encrypted remains unconfirmed.▾
kyushu_ssd_encryption_statuswatchCyber
Market relevance: Encryption status is a key driver of cyber liability loss severity; unresolved at signal stage.
Source · 18 Jun 2026, 11:03
The number of individuals or records potentially affected by the missing SSD is not reported.▾
kyushu_record_countloss watchCyber
Market relevance: Record count is a key driver of breach notification costs and potential class exposure.
Whether the SSD was stolen or simply lost has not been determined.▾
kyushu_theft_vs_lossloss watchCommercial Crime
Market relevance: Theft framing may engage commercial crime coverage; loss framing does not.
Whether the data on the missing SSD was encrypted has not been confirmed by reporting.▾
kyushu_encryption_statusloss watchCyber
Market relevance: Encryption status is a key determinant of cyber liability severity and notification thresholds.
Whether the SSD was stolen, lost, or otherwise misplaced has not been confirmed.▾
kyushu_epc_ssd_loss_cause_unconfirmedsignal onlyCommercial Crime
Market relevance: Differentiates theft-driven crime coverage triggers from accidental loss under cyber/crime wordings.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
The sensitivity and scope of data potentially stored on the missing SSD have not been confirmed.▾
kyushu_epc_ssd_data_sensitivity_unconfirmedsignal onlyCyber
Market relevance: Determines whether notification, regulatory, and third-party liability exposures are triggered; key gating fact for cyber severity banding.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Whether the data on the missing SSD was encrypted is not confirmed in the available reporting.▾
kyushu_epower_encryption_unknownsignal onlyCyber
Market relevance: Encryption status is a key determinant of cyber liability materiality.
The scale and sensitivity of data held on the missing SSD have not been confirmed.▾
kyushu_epower_data_sensitivity_unknownsignal onlyCyber
Market relevance: Data sensitivity is a key driver of regulatory exposure and insured loss severity.
Whether the SSD was stolen or simply lost has not been confirmed in available reporting.▾
kyushu_epower_theft_vs_loss_unknownsignal onlyCyber
Market relevance: Causation (theft vs accidental loss) influences coverage triggers under crime versus cyber policies.
The number of individuals or records potentially affected by the missing SSD is not confirmed.▾
kyushu_epower_affected_count_unknownsignal onlyCyber
Market relevance: Affected-record count drives notification obligations and potential loss size under cyber and crime policies.
Whether the SSD was stolen or simply lost has not been determined.▾
kyushu_ep_ssd_theft_vs_loss_uncertainsignal onlyvalid from 14 Jun 2026, 00:27Commercial Crime
Market relevance: Theft vs. loss distinction may engage commercial crime versus cyber coverage pathways.
Whether the missing SSD was encrypted has not been confirmed.▾
kyushu_ep_ssd_encryption_uncertainsignal onlyvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Encryption status is a key determinant of cyber liability severity and notification triggers.
Whether the data on the missing SSD was encrypted has not been confirmed in public reporting.▾
uncertain_encryption_statusuncertainvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Encryption status is material to cyber liability and privacy regulatory exposure.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Supersession history: 1 prior/revised claim rows.
The number of individuals or records potentially affected by the missing SSD has not been disclosed or confirmed.▾
uncertain_record_countuncertainvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Record count is a key driver of cyber liability severity and regulatory notification scope.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Whether the SSD was stolen or simply lost has not been confirmed in public reporting.▾
uncertain_theft_vs_lossuncertainvalid from 14 Jun 2026, 00:27Commercial Crime
Market relevance: Theft vs. loss distinction is relevant to commercial crime and cyber coverage triggers.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Supersession history: 1 prior/revised claim rows.
The scale and sensitivity of data held on the missing SSD has not been confirmed in public reporting.▾
uncertain_data_sensitivityuncertainvalid from 14 Jun 2026, 00:27Cyber
Market relevance: Data sensitivity drives privacy regulatory exposure under Japanese APPI and related regimes.
“Massive data breach feared at Kyushu Power as SSD missing” — asahi.com · 9 Jun 2026, 10:45 · mainstream media
Geographic Zone Matches
1 active match
- Pacific Ring of FireRule-basedConfidence 100%
Geographic zone matches are RiskEvents spatial/analytical indicators, not coverage determinations or Lloyd's official classifications.
Affected countries
🇯🇵 Japan
Latest developments
- The number of records potentially affected is not yet known.
- No loss estimate has been reported.
- An SSD is reported missing at Kyushu Electric Power in Fukuoka, Japan. — asahi.com
- Japanese media report fears of a large data breach tied to the missing device. — asahi.com
- It is not yet known whether the missing device was encrypted.
- It is unclear whether the device was stolen or simply misplaced.
- The sensitivity and scope of any data on the device are unconfirmed.
- The incident remains a signal pending further confirmation. — asahi.com
Timeline
Status Change18 Jun 2026, 20:18
Status changed to developing
evidence_trigger: corroboration >= 2
signal -> developing
Corroboration18 Jun 2026, 20:18
Kyushu Electric, a major Japanese utility, has lost a backup device containing personal data of approximately 10.9 million customers. The incident raises data breach and regulatory exposure concerns, though no direct insured asset damage or operational disruption to power generation/transmission is reported.
Source: tomshw.it (Mainstream Media) · View source
Initial Detection14 Jun 2026, 00:27
Initial Detection
A solid-state drive (SSD) containing sensitive data has gone missing at Kyushu Electric Power, raising fears of a massive data breach. The incident involves a major Japanese utility and could expose customer and operational data. This represents a potential cyber/data security incident with implications for the utility's cyber liability and energy infrastructure exposures.
Massive data breach feared at Kyushu Power as SSD missing
Source: asahi.com (Mainstream Media) · View source
Lloyd's classifications
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