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TE

Tesco

Medium

In 2014, 2,239 Tesco customer accounts were exposed, revealing sensitive login and reward program information.

Records exposed
2,239 records
Breach date
Breach Feb 12, 2014
Last update
Updated Feb 13, 2014
Source

What data was exposed?

Fields reported as compromised in this breach record.

Email addressesPasswordsReward program balances

Why does this breach matter?

In-depth analysis of the breach and its implications.

The Tesco breach involved a disclosure in February 2014, where 2,239 customer accounts containing email addresses, passwords, and reward program balances were exposed after appearing on Pastebin. While the exact source of the breach remains unclear, the credentials were verified as authentic for Tesco accounts, highlighting potential security vulnerabilities.

Impact Analysis

Understanding the scope and consequences of this breach.

User Impact
Compromised accounts may lead to misuse of loyalty rewards and unauthorized transactions.
Business Impact
Potential damage to brand reputation and customer trust, along with required improvements in security posture.
Affected Sectors
  • Retail
  • E-commerce
Geographic Impact
  • UK
  • Global

What You Should Do

Recommended actions to take in response to this breach.

If You Were Affected

  • •Immediately update passwords for your Tesco account and other accounts using similar credentials.
  • •Monitor reward program balances for unexplained activity.
  • •Consider enabling multi-factor authentication if available.

Preventive Measures

  • •Never reuse passwords across sites.
  • •Utilize a password manager to retain strong, unique passwords.
  • •Regularly review account activity for unauthorized transactions.

Frequently Asked Questions

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

Email addresses, account passwords, and loyalty program balances linked to Tesco accounts.