Giant Tiger
Disclosed Apr 12, 20242 years ago2,842,669 accountsUnverified
Vendor breach exposes 2.8 million Giant Tiger customer records
Canadian discount retailer Giant Tiger said a third-party vendor was behind a March 2024 breach of customer data. A threat actor later leaked about 2.8 million records with names, emails, phone numbers and addresses on a hacking forum; no financial data was involved.
What is known
| People affected | 2,842,669 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Apr 12, 2024 |
| Discovered | Mar 2024 |
| Happened | Mar 4, 2024 |
| Attack | Vendor breach |
| Data exposed | Emails, Names, Phone numbers, Addresses |
| Sector | Retail · CA |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
| Source | |
|---|---|
| Have I Been Pwned: Giant Tigerhaveibeenpwned.com · Aggregator | Aggregator |
| Canadian retail chain Giant Tiger data breach may have impacted millions of customerssecurityaffairs.com · News | News |
Notices filed
| Where | Filed | People |
|---|---|---|
| Have I Been Pwnedaccounts in the data | Apr 12, 2024 | 2,842,669 |
| Researchtotal | Apr 12, 2024 |
History of this record
- 2026-09-25 · source_type: aggregator to press · seed source
- 2026-09-25 · source_url: https://haveibeenpwned.com/Breach/GiantTiger to https://securityaffairs.com/161811/cyber-crime/giant-tiger-data-breach.html · seed source
- 2026-09-25 · country: empty to CA · seed source
- 2026-09-25 · sector: tech to retail · seed source
- 2026-09-25 · discovered: empty to 2024-03 · seed source
- 2026-09-25 · summary: In March 2024, Canadian discount store Giant Tiger suffered a data breach that exposed 2.8M customer records . Attributed to a vendor of the retailer, the breach included physical and email addresses, names and phone numbers. to Canadian discount retailer Giant Tiger said a third-party vendor was behind a March 2024 breach of customer data. A threat actor later leaked about 2.8 million records with names, emails, phone numbers and addresses on a hacking forum; no f · seed source
- 2026-09-25 · title: empty to Vendor breach exposes 2.8 million Giant Tiger customer records · seed source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.