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Yandex Dump data breach

From Breaches, in the HARD wiki · Updated
This article is about the September 2014 breach of Yandex Dump. For every breach, see Breaches.

The Yandex Dump data breach exposed 1,186,564 accounts from forum.btcsec.com in September 2014. The data taken includes passwords and email addresses.[1]

Have I Been Pwned verified it and added it to its search on 12 Sep 2014, within a month. It is the 395th largest of the 618 breaches in HARD’s list.

What was exposed

Yandex Dump’s breach included 2 kinds of data. What each lets criminals do:

DataWhat it’s used for
PasswordsCriminals try leaked passwords on email, banking and shopping sites, because people reuse them.
Email addressesExpect scam emails that name the company to look genuine.

What to do

  1. Check whether you’re in it.Search your email address on Have I Been Pwned. It tells you which breaches it appears in, Yandex Dump among them, without showing the data.
  2. Change your Yandex Dump password.If the account still exists, sign in at Yandex Dump (forum.btcsec.com) and change it.
  3. Change it anywhere you used the same one.Start with your email, then banking and shopping. Leaked passwords are tried on other sites automatically, within days.
  4. Use a password manager and two-step sign-in.A different password for every site means one breach can’t open the rest. Two-step sign-in stops a leaked password working on its own.
  5. Distrust messages that mention Yandex Dump.Scammers use breach data to sound genuine. Don’t click links in emails or texts about the breach; go to the site yourself.

Timeline

  • : the breach, as best it can be dated.
  • : Have I Been Pwned verifies the data and adds it to its search, within a month.

Similar breaches

Breaches that leaked the same kinds of data, closest in time:

See Breaches for all 618, and Updates for keeping your devices patched.

References

  1. ^ Troy Hunt. “Yandex Dump”, Have I Been Pwned, added 12 Sep 2014. Breach data licensed CC BY 4.0.