Breach Archive

Showing 166180 of 1,843 breaches

Artsy

Compromised Data: 1

For Artsy, the timeline centers on 2018-04 with approximately 1.1 million records discovered in the cache. In April 2018, the online arts database Artsy suffered a security incident which consequently appeared for sale…

  • Breach date: 2018-04-01
  • Email addresses
  • IP addresses
  • Names
  • Passwords

Artvalue

Compromised Data: 157

Around 2019-06, investigators concluded that Artvalue had exposed roughly 157.7 thousand records. In June 2019, the France-based art valuation website Artvalue.com left their 158k member subscriber base publicly reveale…

  • Breach date: 2019-06-01
  • Email addresses
  • Names
  • Passwords
  • Salutations
  • Usernames

Ascension Healthcare

Compromised Data: 260.8 thousand

The Ascension Healthcare data breach is linked to the exploitation of a zero-day vulnerability in Progress Software's MOVEit Transfer platform by the Cl0p ransomware group. This breach compromised sensitive personal and…

  • Breach date: 2023-05-31
  • Social Security Number
  • Phone Number
  • Name
  • Doctor Name
  • Home Address
  • Employer
  • Medical Records
  • Insurance Provider

Ashley Madison

Compromised Data: 30

Security reports tie the Ashley Madison incident to 2015-07, impacting close to 30.8 million records overall. In July 2015, the infidelity website Ashley Madison suffered a serious security incident. The attackers threa…

  • Breach date: 2015-07-01
  • Dates of birth
  • Email addresses
  • Ethnicities
  • Genders
  • Names
  • Passwords
  • Payment histories
  • Phone numbers
  • Physical addresses
  • Security questions and answers
  • Sexual orientations
  • Usernames
  • Website activity

Ashley Madison Data Breach

Compromised Data: 38.4 million

In July 2015, Ashley Madison-a dating website catering to individuals seeking extramarital affairs-suffered a catastrophic data breach that reverberated across the digital privacy landscape. A hacker collective known as…

  • Breach date: 2015-07-19
  • Username
  • Password
  • Email
  • Phone Number
  • Body Height
  • Body Weight
  • Name
  • Password Hint
  • Ethnic Group
  • Home Address
  • Sexual Fetishes
  • Sexual Orientation

Ashley Madison Database

Compromised Data: 30.8 million

Ashley Madison Database reported a breach tied to 2015, exposing roughly 30,811,934 records. In July 2015, the infidelity website Ashley Madison suffered a serious security incident. The attackers threatened Ashley Madi…

  • Breach date: 2026-02-09
  • Dates of birth
  • Email addresses
  • Ethnicities
  • Genders
  • Names
  • Passwords
  • Payment histories
  • Phone numbers
  • Physical addresses
  • Security questions and answers
  • Sexual orientations
  • Usernames
  • Website activityan 30M unique email addresses.

Asics (Partial)

Compromised Data: 4.7 million

The incident is one of several breaches affecting Salesforce in 2025. A group calling itself "Scattered LAPSUS$ Hunters" released a limited sample of the stolen database on October 3, 2025. The records have since been i…

  • Breach date: 2025-10-10
  • Email

Astropid

Compromised Data: 5

Astropid traced the breach to 2013-12, estimating that about 5.8 thousand records were affected. In December 2013, the vBulletin forum for the social engineering site known as "AstroPID" was breached and spilled publicl…

  • Breach date: 2013-12-01
  • Email addresses
  • Instant messenger identities
  • IP addresses
  • Names
  • Passwords
  • Private messages
  • Usernames
  • Website activity

Aternos

Compromised Data: 854.8 thousand

In December 2015, Aternos, a service for creating and running free Minecraft servers, experienced a data breach affecting its subscribers. The breach exposed usernames, email and IP addresses, and hashed passwords.

  • Breach date: 2015-12-06
  • Password
  • Email

Aternos

Compromised Data: 1

Aternos traced the breach to 2015-12, estimating that about 1.4 million records were affected. In December 2015, the service for creating and running free Minecraft servers known as Aternos suffered a security incident…

  • Breach date: 2015-12-01
  • Email addresses
  • IP addresses
  • Passwords
  • Usernames
  • Website activity

Atlas Quantum

Compromised Data: 261

2018-08 marked when Atlas Quantum acknowledged an intrusion that reached nearly 261.5 thousand records. In August 2018, the cryptocurrency investment platform Atlas Quantum suffered a security incident. The incident spi…

  • Breach date: 2018-08-01
  • Account balances
  • Email addresses
  • Names
  • Phone numbers

Atmeltomo

Compromised Data: 580

Around 2021-04, investigators concluded that Atmeltomo had exposed roughly 580.2 thousand records. In April 2021, "Japan's largest e-mail friend search site" Atmeltomo suffered a security incident that was later sold on…

  • Breach date: 2021-04-01
  • Email addresses
  • IP addresses
  • Passwords
  • Usernames

Audi

Compromised Data: 2

Audi traced the breach to 2019-08, estimating that about 2.7 million records were affected. In August 2019, Audi USA suffered a security incident after a vendor left data unsecured and revealed on the internet. The data…

  • Breach date: 2019-08-01
  • Dates of birth
  • Driver's licenses
  • Email addresses
  • Names
  • Phone numbers
  • Physical addresses
  • Social security numbers
  • Vehicle details

Auto Hot Key (AHK) Database

Compromised Data: 88.9 thousand

Auto Hot Key (AHK) Database traced the leak to 2015, with intruders viewing approximately 88,871 records. Database contains 88,871 entries with hashing algorithm IPB & md5(salt). Database was spilled in 12-2015 and has…

  • Breach date: 2026-02-09
  • Usernames
  • Email addresses
  • IP addresses
  • Passwords (as MD5 and salted MD5 hashes).

Autocentrum.pl

Compromised Data: 143.7 thousand

In February 2018, data from the Polish motoring website autocentrum.pl was discovered online, including email addresses and plain text passwords.

  • Breach date: 2018-02-04
  • Password
  • Email
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