Government Data Breaches — Federal, State & Municipal Disclosures

Government Data Breaches (1339 indexed)

high · government · Nov 14, 2023

400K resident records exposed in cyberattack

View incident → Indexed 2 years, 7 months ago

high · government · Nov 14, 2023

400K resident records exposed in cyberattack

View incident → Indexed 2 years, 7 months ago

critical · government · Nov 10, 2023

Trans-Northern Pipelines

ALPHV/BlackCat claimed data theft from pipeline operator

View incident → Original disclosure Indexed 2 years, 8 months ago

high · government · Nov 8, 2023

City of Hamilton OH

Ransomware attack crippled city services

View incident → Indexed 2 years, 8 months ago

high · government · Nov 2, 2023

Northwest Territories Government

Ransomware disrupted territorial government IT — healthcare and services impacted

View incident → Indexed 2 years, 8 months ago

critical · government · Oct 30, 2023

South Westphalia IT (Germany)

Ransomware crippled IT provider for 72 German municipalities — services offline for months

View incident → Indexed 2 years, 8 months ago

medium · government · Oct 29, 2023

Tulsa OK water utility

18K customer records exposed in cyberattack

View incident → Indexed 2 years, 8 months ago

high · government · Oct 24, 2023

City of Allentown PA

165K resident records exposed in ransomware

View incident → Indexed 2 years, 8 months ago

medium · government · Oct 15, 2023

Rock County WI

28K county records exposed in data breach

View incident → Indexed 2 years, 8 months ago

critical · government · Oct 12, 2023

Kansas Courts

Ransomware took down statewide court filing system

View incident → Indexed 2 years, 8 months ago

high · government · Oct 9, 2023

Bucks County PA 911

Cyberattack disrupted county emergency dispatch system

View incident → Indexed 2 years, 9 months ago

medium · government · Oct 8, 2023

City of Montgomery AL

38K records exposed in ransomware

View incident → Indexed 2 years, 9 months ago

high · government · Oct 3, 2023

City of Valdosta GA

Ransomware disrupted city systems

View incident → Indexed 2 years, 9 months ago

high · government · Sep 14, 2023

Greater Manchester Police

12,500 officer warrant card details stolen from ID badge supplier

View incident → Indexed 2 years, 9 months ago

critical · government · Sep 14, 2023

MalindoAir

4,328,232 records exposed — Dates of birth, Email addresses, Genders, Loyalty program details and 6 more

View incident → Indexed 2 years, 9 months ago

medium · government · Sep 5, 2023

City of Huntsville AL

28K records exposed in data breach

View incident → Indexed 2 years, 10 months ago

high · government · Sep 5, 2023

Ayuntamiento de Sevilla

LockBit demanded 1.5M EUR from Seville city council — municipal services disrupted

View incident → Indexed 2 years, 10 months ago

high · government · Sep 1, 2023

Canadian Armed Forces

Recruiting system breach exposed applicant data

View incident → Indexed 2 years, 10 months ago

high · government · Sep 1, 2023

City of Aurora CO

120K resident records exposed in data breach

View incident → Indexed 2 years, 10 months ago

critical · government · Aug 26, 2023

Metropolitan Police (London)

IT supplier breach exposed names, ranks, photos, vetting levels of 47,000 Met staff

View incident → Indexed 2 years, 10 months ago

medium · government · Aug 22, 2023

City of Mobile AL

34K records exposed in cyberattack

View incident → Indexed 2 years, 10 months ago

high · government · Aug 15, 2023

Police Scotland FOI Leak

Officers' personal details leaked through FOI response — similar to PSNI incident

View incident → Indexed 2 years, 10 months ago

medium · government · Aug 15, 2023

Jobzone

29,708 records exposed — Dates of birth, Email addresses, Family members' names, Genders and 4 more

View incident → Indexed 2 years, 10 months ago

medium · government · Aug 14, 2023

Chatham County GA

24K records exposed in data breach

View incident → Indexed 2 years, 10 months ago