
Exploit.In
What was exposed
Email addressesPasswords
What to do if you were affected
- Change your password for this account, and anywhere you reused it. Turn on two-factor authentication.
- Expect more phishing and spam at this address. Treat messages that reference this company with extra caution.
Details
In late 2016, a huge list of email address and password pairs appeared in a "combo list" referred to as "Exploit.In". The list contained 593 million unique email addresses, many with multiple different passwords hacked from various online systems. The list was broadly circulated and used for "credential stuffing", that is attackers employ it in an attempt to identify other online systems where the account owner had reused their password. For detailed background on this incident, read Password reuse, credential stuffing and another billion records in Have I Been Pwned .
Frequently asked questions
What is the Exploit.In data breach?
In late 2016, a huge list of email address and password pairs appeared in a "combo list" referred to as "Exploit.In". The list contained 593 million unique email addresses, many with multiple different passwords hacked from various online systems. The list...
When did the data breach happen?
This data breach occurred around October 2016.
How many accounts were affected?
Around 593,427,119 accounts were affected.
What information was exposed?
Exposed data included Email addresses and Passwords.
What should I do if I was affected?
Change your password for this account, and anywhere you reused it. Turn on two-factor authentication. Expect more phishing and spam at this address. Treat messages that reference this company with extra caution.
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