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26-0918b
File

Lemonade’s Quote Tool Pre-Filled 190,644 Licence Numbers; the $10.5 Million Settlement Is Final

The form looked the number up and displayed it, so you were in the breach the moment someone typed your name. Fourteen years after the first file of its kind.

UnattributedQuote tool pre-fill abuseInsuranceExposure
Sev 3TargetLemonade quote-form visitorsActorUnattributedUSA
26-0726
File

AssuranceAmerica Breach Exposed 6.9 Million Driver's Licence Numbers

6.9 million driver’s licence numbers, a field that is neither ceremonially protected nor practically replaceable.

UnattributedUnder reviewInsuranceIdentity
Sev 4TargetAssuranceAmericaActorUnattributedUSA
26-0715b
File

They Shut the Network Down, and Forty-Two Million Relationships Went With It

A containment shutdown that locked members out of retirement accounts, and a credit union suing its own provider over the standards it contracted for.

UnattributedInsuranceThird party
Sev 4TargetTruStageActorUnattributed
26-0610
File

Allianz Life Breach Affected Most of Its 1.4 Million Customers

Most of 1.4 million customers, advisers and employees. A CRM accumulates every population an organisation tracks, and so does its blast radius.

ShinyHuntersSocial engineeringInsuranceIdentity
Sev 4TargetAllianz LifeActorShinyHunters
26-0416
File

Control Failures Are the Most Common Ground for Cyber Insurance Disputes

The exempted system is the one attackers find and the one that voids the policy. The exemption register is now a financial document.

UnattributedCoverage disputeFinanceCoverage
Sev 3TargetInsured organisationsActorUnattributed
25-1123
File

African Data Protection Regimes Made 2025 Incidents Harder to Conceal

Jurisdictions are penalised in insurance and procurement for the act of becoming transparent.

RegulatorMultipleAnalysis
Sev 3TargetAfrican disclosure regimesActorRegulator
25-1022
File

Retail, Insurance, Aviation and Universities All Fell to the Same Phone Call

There is no packet to inspect and no domain to block. The output of the call is a legitimate action by an authorised person.

MultipleVoice phishingMultipleMethod
Sev 5TargetMultiple sectorsActorMultiple
25-0717
File

Allianz Life Reports 1,497,036 Affected After CRM Social Engineering

Reachable, taken, and published are three populations. Almost every affected count in this database is one of them without saying which.

ShinyHuntersSocial engineeringInsuranceIdentity
Sev 4TargetAllianz LifeActorShinyHuntersUSA
25-0708
File

Insurance Is the Only Party Measuring Availability

The largest incidents in this database are measured only as a byproduct of a commercial risk-transfer market.

MultipleVariousMultipleAnalysis
Sev 3TargetAvailability incidentsActorMultiple
25-0622
File

Three Insurers in One Campaign, Two of Them in One State

A caller claiming to be an agent locked out before a client meeting is making a request the function exists to grant, dozens of times a day.

Scattered SpiderSocial engineeringInsuranceIdentity
Sev 4TargetUS insurersActorScattered SpiderUSA
25-0618
File

Aflac Confirms 13.9 Million Affected in the Largest Healthcare Breach of 2025

The reporting duty tracks the sensitivity of the record. The security expectation tracks the sector of the company.

Scattered SpiderSocial engineeringInsuranceIdentity
Sev 5TargetAflacActorScattered Spider
25-0601
File

Insurance Combines Wide Intermediary Access With Unsupervised Platforms

A service desk supporting agents and brokers is supporting people it does not know by sight.

ShinyHuntersSocial engineeringInsuranceAnalysis
Sev 3TargetInsurance sectorActorShinyHunters
25-0529
File

Farmers Insurance Compromise Affected More Than 1.1 Million Customers

The peer-warning argument only helps organisations that are not first. Hindsight makes May look like August.

ShinyHuntersThird-party platformInsuranceThird party
Sev 4TargetFarmers InsuranceActorShinyHunters
25-0409
File

Blue Shield of California Breach Affected Around 4.7 Million People

An insurer knows every provider seen and every prescription filled. A more complete history than any clinician holds.

UnattributedInsuranceExposure
Sev 4TargetBlue Shield of CaliforniaActorUnattributedUSA
24-1125b
File

New York Fined GEICO and Travelers $11.3 Million for Quote Tools That Leaked License Numbers

An open API at 25,000 queries a day and an agent portal with a password and nothing else. The first time a regulator priced the quote form.

Regulatory enforcementInsuranceEnforcement
Sev 3TargetGEICO and TravelersActorUnattributedUSA
24-1023
File

Landmark Admin Breach Reached 806,519 People Across Insurers

Underwriting a life policy means knowing who someone is and what is wrong with them.

UnattributedInsuranceThird party
Sev 4TargetLandmark AdminActorUnattributedUSA
24-1017
File

Globe Life’s Extortionist Sent Stolen Data to Short Sellers and Plaintiffs’ Lawyers

The threat was not publication but the share price. The company refused, confirmed 5,000, and told 850,000 more it could not rule them out.

UnattributedNot established; agency databasesInsuranceIdentity
Sev 3TargetGlobe Life / American Income LifeActorUnattributedUSA
24-1010
File

Security Firm Assessed Star Health Executive-Involvement Material as Unproven

Authentic data does not authenticate the story told about it. The records check out while the account does not.

InsuranceMethod
Sev 3TargetStar Health and Allied InsuranceActorUnattributedIndia
24-0920
File

Star Health Lost Customer Diagnoses and Test Results to Messaging Bots

A leak site is a shop window. A chat bot is a vending machine — no negotiation, no gatekeeper, just look somebody up.

InsuranceConcentration
Sev 5TargetStar Health and Allied InsuranceActorUnattributedIndia
24-0213
File

Prudential Said No Customer Data Was Taken; Four Months Later It Notified 2,556,210 People

No evidence, then 36,000, then 2.5 million. Three accurate statements about one intrusion, and the operator was gone before the last one.

ALPHV (claimed)Not disclosedInsuranceIdentity
Sev 3TargetPrudential FinancialActorALPHV (claimed)USA
23-1103
File

Infosys McCamish Breach Reached 6.08 Million People Through the Insurers It Administered For

One administrator, a page of carrier names, six million people who had never heard of it. The count took seven months and the settlement is under $3 each.

LockBitInsuranceThird party
Sev 4TargetInfosys McCamish Systems clientsActorLockBitUSA
23-0922
File

PhilHealth’s Antivirus Licence Had Lapsed Five Months Before Medusa Encrypted It

No antivirus since April, a refused $300,000 demand, and a count that went from zero to 42 million over nine months.

MedusaNot established; unprotected endpointsInsurancePublic sector
Sev 4TargetPhilHealthActorMedusaPhilippines
23-0111
File

Zurich and Aflac Japan Lost 2.08 Million Customers’ Data Through the Same Kind of Contractor

Two insurers, one week, one kind of contractor, and 2.08 million customers. Neither company named the vendor or confirmed it was shared.

UnattributedContractor file transfer serverInsuranceThird party
Sev 3TargetZurich Insurance Japan and Aflac Japan customersActorUnattributedJapan
22-1031
File

Mondelez and Zurich Settled Their $100 Million NotPetya Fight With the Trial Nearly Over

The first war-exclusion case filed, and the one that never got a ruling. The market took its answer from Merck and rewrote the clause.

Coverage litigationInsuranceCoverage
Sev 3TargetMondelez InternationalActorUnattributedUSA
22-0826b
File

Travelers Voided a Cyber Policy From Inception Because the Application Said MFA Was in Place

MFA existed, on the firewall. The application said privileged access. The policy was unwound from the first day, a month after the ransomware.

Policy rescissionInsuranceCoverage
Sev 3TargetInternational Control Services Inc.ActorUnattributedUSA
22-0816
File

Lloyd’s Ordered Every Standalone Cyber Policy to Exclude State-Backed Attacks From March 2023

The war clause failed in court, so the market wrote a new one with attribution built in. Nobody has yet said who decides.

Market requirementInsuranceCoverage
Sev 4TargetLloyd’s cyber marketActorUnattributedUnited Kingdom
22-0527b
File

Elephant Insurance Breach Reached 2.76 Million People, Most of Whom Only Asked for a Quote

Six days, 2.76 million license numbers, and a mechanism the company will not confirm. Two plaintiffs could prove where the data went.

UnattributedNot confirmed; quote-form abuse allegedInsuranceExposure
Sev 3TargetElephant Insurance Co.ActorUnattributedUSA
22-0228
File

Aon Found an Intruder With 14 Months of Intermittent Access and Notified 145,889 People

Not ransomware, the broker said. Fourteen months of access at various times, Social Security numbers taken, and no account of how.

UnattributedNot disclosedInsuranceIdentity
Sev 3TargetAon plcActorUnattributedUSA
22-0202
File

Wormhole Bridge Lost $320 Million, Covered by Parent Company Jump Crypto

No insurance, no reserve fund, no protocol mechanism. The guarantee was a company deciding to pay.

UnattributedSignature verification flawFinancial servicesFinance
Sev 4TargetWormhole bridgeActorUnattributedUSA
22-0121
File

Merck Won $699 Million of NotPetya Cover When a Court Read “Warlike Action” to Mean War

An exclusion written for armies, applied to a software update. Two courts said no, and the market rewrote the clause rather than argue again.

Coverage litigationInsuranceCoverage
Sev 4TargetMerck & Co. property insurersActorUnattributedUSA
21-0516
File

AXA Confirmed Ransomware in Four Asian Markets Nine Days After Its French Ransom Decision

Confirmed: an attack in four markets and access at one Thai processor. Claimed: 3 terabytes of medical data. The two never met.

AvaddonInsuranceRansomware
Sev 3TargetAXA Asia AssistanceActorAvaddonThailand
21-0506
File

AXA Became the First Major Insurer to Stop Reimbursing Ransomware Payments, in France Only

The first carrier to say it would not reimburse the ransom, in one country, for new policies. Nobody else followed.

Underwriting decisionInsuranceMarket
Sev 3TargetFrench cyber insurance marketActorUnattributedFrance
21-0419
File

GEICO’s Quote Tool Handed Out Driver’s License Numbers to Fraudsters for Six Weeks

Type a name and address, get back the license number. At 25,000 queries a day, the quote form was the pandemic fraud’s best supplier.

Unattributed fraud operatorsQuote tool data exposureInsuranceExposure
Sev 3TargetGEICOActorUnattributed fraud operatorsUSA
21-0323
File

CNA Financial Reportedly Paid $40 Million After a Fake Browser Update Locked 15,000 Devices

A seller of cyber insurance, encrypted, and a reported $40 million payment the company has never confirmed. Its own policy did not cover it.

Phoenix (Evil Corp-linked, alleged)Fake browser update → credential theftInsuranceRansomware
Sev 4TargetCNA Financial Corp.ActorPhoenix (Evil Corp-linked, alleged)USA
20-1001
File

Treasury Told Cyber Insurers That Paying a Sanctioned Ransomware Actor Is Their Liability Too

A guidance document with no penalty attached. It put the insurer, the negotiator and the forensics firm on the hook for where the money went.

Regulatory guidanceInsuranceEnforcement
Sev 3TargetRansomware payment facilitatorsActorUnattributedUSA
20-0928
File

Gallagher Disclosed Ransomware in a Filing; the Breach Behind It Took Nine Months to Describe

A two-day filing, a four-month intrusion, a nine-month wait for the notice. The broker never published a count; the class ran to 3.5 million.

Unattributed (RagnarLocker)InsuranceRansomware
Sev 4TargetArthur J. Gallagher & Co.ActorUnattributed (RagnarLocker)USA
19-0524
File

First American Left 885 Million Title Documents Readable by Changing a Number in a URL

Five years open, flagged by its own testers, closed by a reporter. The largest document exposure on record drew under $1.5 million in penalties.

Insecure direct object referenceInsuranceExposure
Sev 4TargetFirst American FinancialActorUnattributedUSA
17-0824
File

Aetna Mailed 11,875 Letters Through Windows That Showed the Words “HIV Medications”

No intrusion, no database, no attacker. An envelope window told 11,875 households something that cannot be taken back.

Vendor mailing errorInsuranceExposure
Sev 4TargetAetna membersActorUnattributedUSA
17-0713
File

Bupa Employee Copied 547,000 Customer Records and Offered Them on AlphaBay

Nine weeks of bulk exports by email, logged and unread. Detection came from a dark-web listing, and the fine came under a law already replaced.

InsiderAuthorised access, bulk exportInsuranceInsider
Sev 3TargetBupa GlobalActorInsiderUnited Kingdom
15-0909
File

Excellus Attackers Had 17 Months Inside Before Anyone Looked, Reaching 10.5 Million

Seventeen months of access, found by a review ordered after competitors were hit. The class action paid the lawyers and nobody else.

UnattributedNot publishedInsuranceHealth
Sev 4TargetExcellus BlueCross BlueShieldActorUnattributedUSA
15-0520
File

CareFirst Found a 2014 Intrusion Affecting 1.1 Million Members While Checking for Anthem’s

An 11-month foothold found only because Anthem made the news. The case it produced decides who can sue after every breach since.

UnattributedNot publishedInsuranceHealth
Sev 3TargetCareFirst BlueCross BlueShieldActorUnattributedUSA
15-0317
File

Premera Waited 47 Days to Tell 10.4 Million Members Their Bank and Clinical Data Was Taken

Ten months inside, found the week Anthem was found, disclosed 47 days later. Bank accounts and diagnoses left with the Social Security numbers.

UnattributedPhishing → malwareInsuranceHealth
Sev 4TargetPremera Blue CrossActorUnattributedUSA
15-0204
File

Anthem Lost 78.8 Million Records to a Phishing Email Sent a Year Before Anyone Noticed

One phishing email, nine months of movement, the whole warehouse. The sector’s reference breach, and the numbers in it do not expire.

China-based group (DOJ)Spearphishing → backdoor → data warehouseInsuranceHealth
Sev 5TargetAnthem Inc.ActorChina-based group (DOJ)USA
13-1206
File

Horizon BCBS of New Jersey Lost 839,711 Members’ Data on Two Laptops With the Cable Locks Cut

Password-protected and unencrypted, which is the whole file. The state found a hundred more laptops nobody was watching.

UnattributedPhysical theft, unencrypted laptopsInsuranceHealth
Sev 3TargetHorizon Blue Cross Blue Shield of New JerseyActorUnattributedUSA
12-1206
File

Nationwide Intrusion Reached 1.27 Million People Through a Patch Released Three Years Earlier

A three-year-old patch, a quote form that kept everything, and 1.27 million people, most of whom had never bought a policy.

UnattributedUnpatched web hosting softwareInsuranceIdentity
Sev 3TargetNationwide Mutual InsuranceActorUnattributedUSA
11-0314
File

Health Net Could Not Account for Nine Server Drives Holding 1.9 Million Members’ Records

Nine drives went missing in a contractor’s data centre. Six were never found, and the record never established whether anyone took them.

UnattributedMissing physical media, contractor-operatedInsuranceHealth
Sev 3TargetHealth NetActorUnattributedUSA
10-0623
File

WellPoint Left 612,402 Insurance Applications Reachable Online for Five Months After an Upgrade

An upgrade broke the login, a consumer reported it twice, and applicants heard nothing for three months. Two regulators penalised two different failures.

Broken authentication after upgradeInsuranceExposure
Sev 3TargetWellPoint applicantsActorUnattributedUSA
09-1002
File

BCBS of Tennessee Lost 57 Hard Drives Holding 1 Million Members’ Call Recordings

A million recorded calls, each one a member reading out their own Social Security number. The first penalty under the new notification law.

UnattributedPhysical theftInsuranceHealth
Sev 3TargetBlueCross BlueShield of TennesseeActorUnattributedUSA
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