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Trello

High

Data breach exposed 15 million records from Trello via enumeration of public resources.

Records exposed
15,111,945 records
Breach date
Breach Jan 16, 2024
Last update
Updated Jan 22, 2024

What data was exposed?

Fields reported as compromised in this breach record.

Email addressesNamesUsernames

Why does this breach matter?

In-depth analysis of the breach and its implications.

The Trello data breach discovered in January 2024 involved the exposure of over 15 million records, including email addresses, names, and usernames. These records were obtained through enumeration, leveraging publicly accessible resources combined with data from prior breaches, and subsequently offered for sale on a malicious forum. Despite this, Trello disclosed that internal systems had not been accessed without authorization.

Impact Analysis

Understanding the scope and consequences of this breach.

User Impact
Exposed users may experience phishing and unsolicited contact.
Business Impact
Trello faces reputational harm and customer trust challenges due to this breach.
Affected Sectors
  • Project Management Software
  • Cloud Services
Geographic Impact
  • Global

What You Should Do

Recommended actions to take in response to this breach.

If You Were Affected

  • Change associated passwords immediately.
  • Monitor email accounts for unauthorized access.
  • Be cautious of phishing attempts.

Preventive Measures

  • Use unique and strong passwords.
  • Enable two-factor authentication where possible.
  • Regularly check account security status and activity.

Frequently Asked Questions

Common questions about this breach and what it means for you.

It is a method to collect data from publicly accessible sources without unauthorized system access.