# Bitly Data Breach

## What Happened

In May 2014, the link management company [Bitly announced they'd suffered a data breach](https://bitly.com/blog/urgent-security-update-regarding-your-bitly-account/). The breach contained over 9.3 million unique email addresses, usernames and hashed passwords, most using SHA1 with a small number using bcrypt.

## Compromised Data

- Email addresses
- Passwords
- Usernames

## Recommended Actions

##### Change Your Password

If you haven’t already changed the password affected by this breach, do so immediately on every account where it was used.

##### Enable Two-Factor Authentication

Wherever 2FA is supported, add an extra layer of security to your account.

### Breach Overview

- Affected Accounts:
  - 9.3 million
- Breach Occurred:
  - May 2014
- Added to HIBP:
  - 6 Oct 2017

## Recommended Actions

##### Change Your Password

If you haven’t already changed the password affected by this breach, do so immediately on every account where it was used.

##### Enable Two-Factor Authentication

Wherever 2FA is supported, add an extra layer of security to your account.