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26-0802b
File

Colombia’s Justice Ministry Hit by Ransomware Five Days Before Presidential Handover

Encrypted five days before a change of government, a day after the national CERT warned about ransomware.

UnattributedGovernmentPublic sector
Sev 4TargetMinistry of Justice, ColombiaActorUnattributedColombia
26-0730
File

An Energy Retailer, and the Customers Who Cannot Switch Quickly

Customer data leaked at a retailer serving 4.8 million. That figure is the customer base, not the affected count — and the distinction keeps getting lost.

UnattributedUnder reviewPublic sectorUtilities
Sev 3TargetOrigin EnergyActorUnattributedAustralia
26-0729
File

FBI and CISA Warn Water Utilities to Protect Internet-Facing PLCs After Attacks

Post-incident guidance that leads with the exposed device rather than the adversary. For a utility with one engineer, that is the usable document.

UnattributedGuidancePublic sectorMethod
Sev 3TargetWater sector operatorsActorUnattributedUSA
26-0701
File

DHS Information-Sharing Environment Intrusion Involved Deleted Logs

Unpatched vulnerability, persistent tooling, deleted logs. The deletion is a finding in itself — nobody spends that effort on a boring record.

UnattributedUnpatched vulnerabilityPublic sectorPublic sector
Sev 4TargetDHS information-sharing environmentActorUnattributed
26-0420
File

Eleven Million Identity Records, and a Suspect in School

About 11.7 million accounts on France’s national identity portal, and a detained fifteen-year-old. The age is the least useful fact in the file.

Single operatorPortal compromisePublic sectorPublic sector
Sev 4TargetFrance Titres (ANTS)ActorSingle operatorFrance
26-0326
File

London Hydro Breach Reportedly Exposed More Than 170,000 Customer Accounts

170,000 customer accounts at a regional monopoly. Metered consumption is an occupancy record, and customers cannot take their business elsewhere.

UnattributedSystem breachPublic sectorUtilities
Sev 3TargetLondon HydroActorUnattributedUnited Kingdom
26-0225
File

The Model Found the SCADA Gateway

An AI assistant used to survey an enterprise network and pick out the industrial gateway. No new exploit — a compressed analyst step.

UnattributedAI-assisted reconPublic sectorAI agents
Sev 4TargetWater utility (Mexico)ActorUnattributedMexico
26-0215
File

South Korea's National Diplomatic Academy Intrusion Ran Ten Months

Ten months in a diplomatic academy’s education platform, touching 360 serving diplomats. The coursework was never the point; the roster was.

UnattributedUnder reviewPublic sectorEspionage
Sev 3TargetNational Diplomatic Academy (KR)ActorUnattributedSouth Korea
26-0209
File

BridgePay Ransomware Disrupted Payments for 70,000 Bryan Texas Utilities Customers

No data taken, no notification owed, 70,000 people unable to pay a bill. Availability fails independently of confidentiality.

UnattributedRansomwarePublic sectorThird party
Sev 2TargetBridgePay / Bryan Texas UtilitiesActorUnattributedUSA
25-1220c
File

The UK Public Sector Year

The Bill was published thirteen days before three boroughs went down, and would not reach the nursery group.

MultipleVariousPublic sectorPublic sector
Sev 4TargetUK public servicesActorMultipleUnited Kingdom
25-1217
File

Government Data, Taken in Bulk

In many countries these are the most complete identity datasets in existence, and the state’s dataset is not one you can leave.

MultipleVariousPublic sectorPublic sector
Sev 4TargetLatin American government bodiesActorMultipleUSA
25-1127
File

Nevada Published a $1.5 Million Incident Response Bill

The only reliable incident costs in this corpus come from organisations that had no choice but to publish them.

UnattributedRansomwarePublic sectorAnalysis
Sev 3TargetNevada state governmentActorUnattributedUSA
25-1126c
File

Kensington and Chelsea Says Historical Data Was Copied but Not Encrypted

Three separately checkable claims in one sentence, against a corpus full of “certain information may have been accessed”.

UnattributedPublic sectorPublic sector
Sev 4TargetKensington and ChelseaActorUnattributed
25-1125b
File

Three London Boroughs at Once

Public bodies consolidate IT because they cannot each afford it, and the consolidation converts one compromise into a portfolio.

UnattributedPublic sectorPublic sector
Sev 4TargetThree London boroughsActorUnattributedUnited Kingdom
25-1107
File

Nevada Published After-Action Reports Almost No Other Public Body Does

The litigation mechanism this corpus calls the fastest accountability route suppresses the most useful output an incident can produce.

Public sectorMethod
Sev 2TargetPublic-sector disclosure practiceActorUnattributedUSA
25-0930
File

One Zero-Day, Twenty-Nine Named Victims, No Encryption

One ERP zero-day, 29 named victims across unrelated sectors, nothing encrypted. Theft-and-publication at industrial scale.

Cl0pCVE-2025-61882MultipleExtortion
Sev 5TargetOracle EBS deploymentsActorCl0p
25-0924
File

Six Files Exist Because Nevada Published an After-Action Report

Nevada is not a more instructive incident than the other 398. It is a better documented one.

Public sectorMethod
Sev 2TargetIncident disclosure practiceActorUnattributedUSA
25-0922
File

Nevada Systems Stayed Offline for 28 Days Across DMV, Welfare and Payroll

A social services outage means a benefit application does not progress for somebody who applied because they had nothing.

UnattributedRansomwarePublic sectorAvailability
Sev 5TargetNevada state governmentActorUnattributedUSA
25-0921
File

They Refused, and Recovered Ninety per Cent

The variable that predicts the outcome is not the payment decision. It is whether you could recover without them.

UnattributedRansomwarePublic sectorExtortion
Sev 5TargetNevada state governmentActorUnattributedUSA
25-0918
File

US Government Ransomware Incidents Rose 65% in the First Half of 2025

A company can raise prices. A county cannot — more security means visibly less of something a resident can see.

MultipleVariousPublic sectorAnalysis
Sev 4TargetUS public sectorActorMultipleUSA
25-0819
File

Municipalities Hold Records Residents Never Chose to Provide

The most sensitive records in this corpus, held by the least resourced organisations, under the thinnest supervision.

MultipleVariousPublic sectorAnalysis
Sev 4TargetMunicipal governmentsActorMultiple
25-0815
File

Saint Paul Refused to Pay and 43GB of City Data Was Published

One paid and the data circulated. One refused and the data was published. The difference in outcome is the money.

UnattributedData extortionPublic sectorExtortion
Sev 4TargetCity of Saint PaulActorUnattributed
25-0612
File

Compromised Account Downloaded 300,000 Texas Crash Reports

A crash report exists because someone was in a collision. No vulnerability was exploited — a valid account did a permitted thing 300,000 times.

UnattributedCompromised credentialsPublic sectorPublic sector
Sev 3TargetTexas Department of TransportationActorUnattributedUSA
25-0518
File

Nevada Intrusion Began With a Poisoned Search Result for an Admin Tool

The employee did go looking for the official site. The search platform put something else first.

UnattributedSearch engine poisoningPublic sectorMethod
Sev 4TargetIT personnelActorUnattributedUSA
25-0516
File

Nevada Intrusion Started When an Employee Downloaded a Spoofed Admin Tool

The employee was doing their job. The action was correct in every previous instance.

UnattributedTrojanised software downloadPublic sectorPublic sector
Sev 5TargetNevada state governmentActorUnattributedUSA
24-0901
File

Transport for London Penetrated Over Three Days in August 2024

The case where the availability cost is documented and the confidentiality count is the footnote.

Scattered SpiderPublic sectorIdentity
Sev 4TargetTransport for LondonActorScattered SpiderUnited Kingdom
24-0813
File

Columbus Mayor Said Stolen Data Was Unusable, and Researchers Checked

Presenting "encrypted" and "corrupted" as interchangeable makes an accident of the attacker’s process sound like a defence.

RhysidaPublic sectorAccountability
Sev 4TargetCity of ColumbusActorRhysidaUSA
24-0718
File

Six and a Half Terabytes, Claimed, From a City

Residency is not a customer relationship. There is no competitor to move to and no contract to renegotiate.

RhysidaPublic sectorPublic sector
Sev 4TargetCity of ColumbusActorRhysidaUSA
23-0808b
File

UK Electoral Commission Disclosed a 2021 Intrusion Two Years Later

The people who asked to be left off the public register were in the breach anyway.

UnattributedImpersonated account, known weaknessesGovernmentPublic sector
Sev 4TargetUK Electoral CommissionActorUnattributedUnited Kingdom
23-0711
File

Storm-0558 Forged Tokens With a Stolen Microsoft Key to Read Government Email

A token signed with a trusted key is not a forgery the platform can detect. It is a valid token.

Storm-0558Forged authentication tokensPublic sectorEspionage
Sev 5TargetExchange Online tenantsActorStorm-0558
23-0331
File

Capita Took 58 Hours to Quarantine the Device That Started Its Breach

The alert fired in ten minutes. The device stayed on the network for 58 hours.

Black BastaMalicious file executionPublic sectorThird party
Sev 5TargetCapitaActorBlack BastaUnited Kingdom
23-0217
File

US Marshals Service Ransomware Reached Investigation Records in a Major Incident

A population the holder cannot notify without defeating the reason it holds the data.

UnattributedGovernmentPublic sector
Sev 4TargetUS Marshals ServiceActorUnattributedUSA
23-0125
File

Sandworm Pushed a Wiper to Ukrainian Targets Through Active Directory Itself

The distribution channel an organisation trusts most is the one that reaches everything.

SandwormGroup Policy deploymentPublic sectorInfrastructure
Sev 4TargetUkrainian organisationsActorSandwormUkraine
22-1104
File

Vanuatu Government Systems Stayed Offline for Weeks as Officials Used Personal Email

The fallback kept the state running, and put a month of government correspondence in consumer mailboxes.

UnattributedPhishing — as reportedGovernmentPublic sector
Sev 5TargetGovernment of VanuatuActorUnattributedVanuatu
22-0903
File

Los Angeles Schools Refused to Pay and 500GB Including Psychological Assessments Was Published

The refusal was right. The people who paid for it were children who cannot freeze a credit file.

Vice SocietyEducationPublic sector
Sev 5TargetLos Angeles Unified School DistrictActorVice SocietyUSA
22-0508
File

A Country Declared a National Emergency Over a Ransomware Attack

Tax collection stopping is fiscal. Customs stopping means the containers do not move.

ContiGovernmentPublic sector
Sev 5TargetGovernment of Costa RicaActorContiCosta Rica
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