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Bitly

Disclosed Oct 6, 20178 years ago9,313,136 accountsUnverified

In May 2014, the link management company Bitly announced they'd suffered a data breach . The breach contained over 9.3 million unique email addresses, usernames and hashed passwords, most using SHA1 with a small number using bcrypt.

What is known

People affected9,313,136 (accounts in the leaked data, per Have I Been Pwned)
DisclosedOct 6, 2017
HappenedMay 8, 2014
AttackNot stated
Data exposedEmails, Passwords
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: Bitlyhaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataOct 6, 20179,313,136
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

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