Data breach

Mate1.com data breach

27,393,015 accounts · breached February 29, 2016

Have I Been Pwned treats this breach as sensitive: it does not reveal publicly whether a particular address is in it. Only the owner of an address can check, after verifying it.

What happened

In February 2016, the dating site mate1.com suffered a huge data breach resulting in the disclosure of over 27 million subscribers' information. The data included deeply personal information about their private lives including drug and alcohol habits, incomes levels and sexual fetishes as well as passwords stored in plain text.

Description by Have I Been Pwned

What data leaked

  • Astrological signs
  • Dates of birth
  • Drinking habits
  • Drug habits
  • Education levels
  • Email addresses
  • Ethnicities
  • Fitness levels
  • Genders
  • Geographic locations
  • Income levels
  • Job titles
  • Names
  • Parenting plans
  • Passwords
  • Personal descriptions
  • Physical attributes
  • Political views
  • Relationship statuses
  • Religions
  • Sexual fetishes
  • Travel habits
  • Usernames
  • Website activity
  • Work habits

What to do if you had an account

  1. Change the password. Change your password on this service. If you used the same password anywhere else, change it there too: attackers try leaked email and password pairs on other sites automatically. A password manager makes one unique password per site practical.
  2. Turn on two-step sign-in. Enable two-factor authentication where the service offers it, preferably with an authenticator app or a passkey. A leaked password alone is then not enough to get in.
  3. Expect targeted phishing. Leaked contact details are used to write convincing fake messages that mention the breached company or your real name. Do not click links in unexpected emails or texts about this account; go to the site by typing its address.
  4. Guard against identity fraud. Identity documents and dates of birth cannot be changed like a password. Consider a credit freeze or fraud alert where your country offers one, and be wary of anyone who 'verifies' you using those details.
  5. Sensitive personal data. This breach includes sensitive categories of personal data. Scammers and blackmailers use such details to pressure people. Do not pay, and report extortion attempts to the police.

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