Chegg data breach: 39.7M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2019-08-16
In April 2018, the textbook rental service Chegg suffered a data breach that impacted 40 million subscribers. The exposed data included email addresses, usernames, names and passwords stored as unsalted MD5 hashes. A small number of records also contained physical address or phone number. Exposed data: email addresses, names, passwords, phone numbers, physical addresses, usernames. The breach dates from Apr 28, 2018; Have I Been Pwned loaded it on Aug 16, 2019.
What to do
- If you had a Chegg account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
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