ClixSense data breach

What happened

In September 2016, the paid-to-click site ClixSense suffered a data breach which exposed 2.4 million subscriber identities. The breached data was then posted online by the attackers who claimed it was a subset of a larger data breach totalling 6.6 million records. The leaked data was extensive and included names, physical, email and IP addresses, genders and birth dates, account balances and passwords stored as plain text.

What data leaked

• Account balances
• Dates of birth
• Email addresses
• Genders
• IP addresses
• Names
• Passwords
• Payment histories
• Payment methods
• Physical addresses
• Usernames
• Website activity

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. Check your bank statements. Review recent card and account transactions and report anything you do not recognise. If full card numbers were exposed, ask your bank to replace the card.
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.

Check your email at haveibeenpwned.com

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