University of California

What Happened

In December 2020, the University of California suffered a data breach due to vulnerability in in a third-party provider, Accellion. The breach exposed extensive personal data on both students and staff including 547 thousand unique email addresses, names, dates of birth, genders, social security numbers, ethnicities and other academic related data attributes. Further analysis is available in Exploring the Impact of the UC Data Breach. The data was provided to HIBP courtesy of Cyril Gorlla.

Compromised Data

Dates of birth
Education levels
Email addresses
Ethnicities
Genders
Job titles
Names
Phone numbers
Physical addresses
Social security numbers

Recommended Actions

Monitor for Suspicious Activity

Watch for unusual login attempts, spam and phishing emails.

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Breach Overview

  • Affected Accounts:

    547.4 thousand

  • Breach Occurred:

    December 2020

  • Added to HIBP:

    20 Jun 2021

Recommended Actions

Change Your Password

If you haven't changed your University of California password since 2020, do so immediately.

Enable Two-Factor Authentication

Add an extra layer of security to your account.

Check Other Accounts

If you used the same password elsewhere, change those too.

Monitor for Suspicious Activity

Watch for unusual login attempts or messages from your account.

1Password

Use 1Password to generate and store strong, unique passwords for all your accounts.

Try 1Password