China Software Developer Network data breach
6,414,990 accounts exposed.
Check whether your email is included on Have I Been Pwned.
What was exposed
Email addressesPasswordsUsernames
What to do
- Change your China Software Developer Network password, and the password on any other site where you used the same one.
- Expect more phishing emails that mention this service. Do not click links in them; go to the site directly.
- Turn on two-step verification wherever it is offered, and use a password manager.
About this breach
In 2011, the China Software Developer Network (CSDN) suffered a data breach that exposed over 6M user records. The data included email addresses alongside usernames and plain text passwords.