Data breaches in 2025

The public breach catalog records 62 breaches dated 2025, exposing about 2.9B accounts. 19 of them (31%) included passwords. The data type exposed most often was email addresses, found in 62 breaches.

2024 had 86 recorded breaches exposing about 1.5B accounts.

Largest breaches

  • Synthient Credential Stuffing Threat Data: 2025-04-11, 2.0B accounts, Email addresses, Passwords
  • ALIEN TXTBASE Stealer Logs: 2025-02-15, 284M accounts, Email addresses, Passwords
  • Synthient Stealer Log Threat Data: 2025-04-11, 183M accounts, Email addresses, Passwords
  • Data Troll Stealer Logs: 2025-06-20, 110M accounts, Email addresses, Passwords
  • Under Armour: 2025-11-17, 73M accounts, Dates of birth, Email addresses, Genders, Geographic locations, Names, Purchases
  • Stealer Logs, Jan 2025: 2025-01-13, 71M accounts, Email addresses, Passwords
  • Suno: 2025-11-25, 55M accounts, Email addresses, Names, Partial credit card data, Phone numbers, Physical addresses, Purchases
  • Canadian Tire: 2025-10-02, 38M accounts, Dates of birth, Email addresses, Genders, Names, Partial credit card data, Passwords
  • SoundCloud: 2025-12-15, 30M accounts, Avatars, Email addresses, Geographic locations, Names, Profile statistics, Usernames
  • Prosper: 2025-09-01, 18M accounts, Browser user agent details, Credit status information, Dates of birth, Email addresses, Employment statuses, Government issued IDs

What was exposed most often

Every breach dated 2025

  • Synthient Credential Stuffing Threat Data: 2025-04-11, 2.0B accounts, Email addresses, Passwords
  • ALIEN TXTBASE Stealer Logs: 2025-02-15, 284M accounts, Email addresses, Passwords
  • Synthient Stealer Log Threat Data: 2025-04-11, 183M accounts, Email addresses, Passwords
  • Data Troll Stealer Logs: 2025-06-20, 110M accounts, Email addresses, Passwords
  • Under Armour: 2025-11-17, 73M accounts, Dates of birth, Email addresses, Genders, Geographic locations, Names, Purchases
  • Stealer Logs, Jan 2025: 2025-01-13, 71M accounts, Email addresses, Passwords
  • Suno: 2025-11-25, 55M accounts, Email addresses, Names, Partial credit card data, Phone numbers, Physical addresses, Purchases
  • Canadian Tire: 2025-10-02, 38M accounts, Dates of birth, Email addresses, Genders, Names, Partial credit card data, Passwords
  • SoundCloud: 2025-12-15, 30M accounts, Avatars, Email addresses, Geographic locations, Names, Profile statistics, Usernames
  • Prosper: 2025-09-01, 18M accounts, Browser user agent details, Credit status information, Dates of birth, Email addresses, Employment statuses, Government issued IDs
  • Operation Endgame 2.0: 2025-05-23, 15M accounts, Email addresses, Passwords
  • Raaga: 2025-12-15, 10M accounts, Ages, Dates of birth, Email addresses, Genders, Geographic locations, Names
  • Vietnam Airlines: 2025-06-20, 7.3M accounts, Dates of birth, Email addresses, Loyalty program details, Names, Phone numbers
  • Pass'Sport: 2025-12-17, 6.4M accounts, Email addresses, Genders, Names, Phone numbers, Physical addresses
  • Bouygues Telecom: 2025-08-04, 5.7M accounts, Bank account numbers, Dates of birth, Email addresses, Names, Phone numbers, Physical addresses
  • Scholastic: 2025-01-08, 4.2M accounts, Email addresses, Names, Phone numbers, Physical addresses
  • MyVidster (2025): 2025-10-24, 3.9M accounts, Email addresses, Profile photos, Usernames
  • Adpost: 2025-02-14, 3.3M accounts, Email addresses, Names, Usernames
  • Thermomix Recipe World Forum: 2025-01-30, 3.1M accounts, Bios, Dates of birth, Email addresses, Names, Phone numbers, Physical addresses
  • WIRED: 2025-09-08, 2.4M accounts, Dates of birth, Display names, Email addresses, Genders, Geographic locations, Names
  • Operation Endgame 3.0: 2025-11-13, 2.0M accounts, Email addresses, Passwords
  • ADDA: 2025-03-24, 1.8M accounts, Email addresses, Names, Passwords, Phone numbers
  • Cocospy: 2025-02-14, 1.8M accounts, Email addresses
  • Allianz Life: 2025-07-16, 1.1M accounts, Dates of birth, Email addresses, Genders, Names, Phone numbers, Physical addresses
  • Beckett Collectibles: 2025-11-09, 1.0M accounts, Email addresses, Names, Phone numbers, Physical addresses, Usernames
  • Giglio: 2025-08-09, 1.0M accounts, Email addresses, Names, Phone numbers, Physical addresses
  • Spyic: 2025-02-14, 876K accounts, Email addresses
  • Miljödata: 2025-08-25, 870K accounts, Dates of birth, Email addresses, Genders, Government issued IDs, Names, Phone numbers
  • Lexipol: 2025-02-11, 673K accounts, Email addresses, Names, Passwords, Phone numbers, Usernames
  • BreachForums (2025): 2025-08-11, 672K accounts, Email addresses, Forum posts, Passwords, Private messages, Usernames
  • Substack: 2025-10-23, 663K accounts, Email addresses, Phone numbers
  • University of Pennsylvania: 2025-10-30, 624K accounts, Charitable donations, Dates of birth, Email addresses, Genders, Income levels, Job titles
  • Canada Goose: 2025-07-04, 582K accounts, Device information, Email addresses, IP addresses, Names, Partial credit card data, Phone numbers
  • Orange Romania: 2025-02-24, 557K accounts, Email addresses, Partial credit card data, Phone numbers
  • AUTOSUR: 2025-03-16, 487K accounts, Email addresses, Names, Phone numbers, Physical addresses, Vehicle details, Vehicle identification numbers (VINs)
  • Ualabee: 2025-05-06, 472K accounts, Dates of birth, Email addresses, Names, Phone numbers, Profile photos
  • APOIA.se: 2025-12-16, 451K accounts, Email addresses, Names, Physical addresses
  • Doxbin Scrape: 2025-01-24, 436K accounts, Email addresses
  • International Kiteboarding Organization: 2025-11-11, 340K accounts, Email addresses, Geographic locations, Names, Usernames
  • LandAirSea: 2025-01-12, 337K accounts, Email addresses, Names, Partial credit card data, Passwords, Physical addresses, Usernames
  • Zilvia.net: 2025-11-06, 288K accounts, Email addresses, IP addresses, Passwords, Usernames
  • Samsung Germany Customer Tickets: 2025-03-30, 216K accounts, Email addresses, Names, Physical addresses, Purchases, Salutations, Shipment tracking numbers
  • Omnicuris: 2025-06-08, 215K accounts, Email addresses, Geographic locations, Names, Phone numbers
  • TISZA Világ: 2025-10-06, 199K accounts, Email addresses, Names, Phone numbers, Physical addresses, Usernames
  • German Doner Kebab: 2025-03-27, 162K accounts, Email addresses, Names, Phone numbers, Physical addresses
  • Creams Cafe: 2025-05-01, 160K accounts, Email addresses, Names, Phone numbers, Physical addresses
  • Cuties AI: 2025-03-21, 144K accounts, Avatars, Display names, Email addresses
  • Dragonica Lunaris: 2025-12-06, 126K accounts, Dates of birth, Email addresses, Names, Passwords, Spoken languages, Usernames
  • TheSqua.re: 2025-06-27, 107K accounts, Email addresses, Geographic locations, Names, Phone numbers
  • CodeStepByStep: 2025-11-15, 103K accounts, Email addresses, Names, Usernames
  • Artists&Clients: 2025-08-31, 95K accounts, Email addresses, IP addresses, Passwords, Usernames
  • MaReads: 2025-06-22, 74K accounts, Dates of birth, Email addresses, Phone numbers, Usernames
  • Catwatchful: 2025-06-09, 62K accounts, Email addresses, Passwords
  • TehetségKapu: 2025-03-26, 54K accounts, Email addresses, Names, Usernames
  • Pi-hole: 2025-07-30, 30K accounts, Email addresses, Names
  • Hello Cake: 2025-07-25, 23K accounts, Dates of birth, Email addresses, Names, Phone numbers, Physical addresses, Purchases
  • WhiteDate: 2025-12-29, 20K accounts, Ages, Astrological signs, Bios, Device information, Education levels, Email addresses
  • Troy Hunt's Mailchimp List: 2025-03-25, 17K accounts, Email addresses, Geographic locations, IP addresses, Latitude and longitude pairs
  • Frame & Optic: 2025-01-16, 16K accounts, Email addresses, Geographic locations, Names, Phone numbers
  • Eurofiber: 2025-11-13, 10K accounts, Email addresses, Names, Phone numbers

Frequently asked questions

How many data breaches were there in 2025?

The public breach catalog records 62 breaches dated 2025, exposing about 2.9B accounts. The number keeps rising for recent years because breaches are often disclosed long after they happen.

What was the biggest data breach of 2025?

Synthient Credential Stuffing Threat Data, with about 2.0B accounts, is the largest breach dated 2025 in this directory.

Were passwords leaked in 2025 breaches?

19 of the 62 breaches dated 2025 (31%) included passwords. If you had an account with any of them, change that password and anywhere you reused it.

Breach data sourced from Have I Been Pwned, used under CC BY 4.0. Additional breach metadata provided by XposedOrNot. DataExposed is an independent service and is not affiliated with or endorsed by either.