MODERATE SEVERITYFood

Tesco Data Breach

Verified by ObscureIQ Intelligence

5.0Severity
2KRecords
3Data Fields
2014Year

Impact & Downstream Threats

This breach carries moderate risk due to the nature of exposed data fields and the scale of affected records.

Primary downstream threats:
  • Credential stuffing against reused passwords across other platforms
  • Targeted phishing campaigns using exposed email addresses

Breach Intelligence

EntityTesco
OrganizationPublic Company • UK
Breach DateFebruary 2014
DisclosureFebruary 2014
Records Exposed~2K
Attack VectorUnknown
SourceHave I Been Pwned / ObscureIQ intelligence
StatusConfirmed

Executive Summary

In February 2014, over 2,000 Tesco accounts with usernames, passwords and loyalty card balances appeared on Pastebin. Whilst the source of the breach is not clear, many confirmed the credentials were valid for Tesco and indeed they have a history of poor online security.

About Tesco

UK-based multinational grocery retailer.

Public CompanyUKtesco.com

Data Points Exposed

Verified fields in the released dataset:
Email addresses
Passwords

Dark Web Verification

Status: Confirmed

  • Dataset containing approximately 2K records identified in breach intelligence sources.
  • The data is indexed and searchable across breach notification platforms.

Recommended Actions

⚠️ Do not assume this is low sensitivity.

Change Passwords
Change your Tesco password immediately and any account sharing similar credentials.
Expect Targeted Phishing
Watch for emails referencing this breach. Verify communications through official channels.
Secure Email & Enable MFA
Email compromise is often the first pivot point. Enable multi-factor authentication.
Monitor Financial Accounts
Watch for unauthorized credit applications and suspicious activity.
Check Your Exposure
ObscureIQ clients: this breach is indexed in your profile.
Non-clients may request a breach impact review.

Frequently Asked Questions

What happened in the Tesco data breach?

In February 2014, Tesco experienced a data breach that exposed approximately 2K records containing personal information.

What data was exposed?

The exposed data includes fields such as account balance:reward program, email address, password.

How many records were affected?

Approximately 2K records were affected based on current breach intelligence.

Protect Yourself

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ObscureIQ Advisory

We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.

If you are:
  • A public-facing individual
  • A high-profile executive
  • A customer of Tesco
  • Or concerned about credential reuse
Services
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Classification Tags

FoodEmailPasswords

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