Data breach

CyberServe data breach

1,107,034 accounts · breached October 29, 2021

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 October 2021, the Israeli hosting provider CyberServe was breached and ransomed before having a substantial amount of their customer data leaked publicly by a group known as "Black Shadow". Amongst the data was the LGBTQ dating site Atraf and the Machon Mor medical institute. Due to multiple different sites being compromised, the impacted data is broad and ranges from relationship information to medical data to email addresses and passwords stored in plain text. The data was made available to HIBP with support from May Brooks-Kempler, founder of the Think Safe Cyber community in Israel.

Description by Have I Been Pwned

What data leaked

  • Dates of birth
  • Drinking habits
  • Email addresses
  • Family structure
  • Genders
  • Geographic locations
  • HIV statuses
  • IP addresses
  • Names
  • Passwords
  • Personal health data
  • Phone numbers
  • Physical attributes
  • Private messages
  • Profile photos
  • Religions
  • Sexual orientations
  • Smoking habits
  • Usernames

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. Watch for scam calls and SIM swaps. Be suspicious of calls and texts that claim to be from your bank or a courier. Ask your mobile operator for a port-out or SIM-change PIN if it offers one.
  5. 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.
  6. 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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