Giant Tiger
MEDIUM RISKData breach — March 2024
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.
search Check if you were affected — freeData exposed in this breach
What happened in the Giant Tiger data breach?
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.
The exposed data included 4 types of personal information. Learn more about what a data breach means for you.
Quick answer — was Giant Tiger hacked?
Yes. Giant Tiger was breached in March 2024. The breach exposed 2,842,669 records including email addresses, names, phone numbers. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.
Why was the Giant Tiger breach so dangerous?
The Giant Tiger breach exposed 2,842,669 records — that is 2.8M people whose personal data is now circulating on the dark web. The combination of email addresses, names, phone numbers makes this a medium-risk breach that should be addressed promptly.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the Giant Tiger breach?
Email addresses — used for phishing attacks and credential stuffing against your other accounts
Names — used to build profiles and target you with personalised scams
Phone numbers — enables SIM swapping attacks and targeted SMS phishing scams
Physical addresses — combined with other data, used for identity theft and physical fraud
Is the Giant Tiger breach still dangerous in 2026?
Yes. Stolen data from the Giant Tiger breach remains dangerous years after the incident. Research shows that over 65% of stolen credentials from older breaches have never been changed by the account holders. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2024 are still actively used in credential stuffing attacks today.
Personal information like email addresses, phone numbers, and dates of birth never expire. Even if you changed your Giant Tiger password, the other exposed data can be combined with information from other breaches to target you. Learn more about how long stolen data stays dangerous.
Frequently asked about the Giant Tiger breach
Approximately 2,842,669 user records were exposed in the Giant Tiger breach in March 2024.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your Giant Tiger password elsewhere and haven't changed it, those accounts remain at risk today.
Enter your email in the free checker on EmailLeaked. We scan 12 billion+ breach records including the full Giant Tiger dataset and tell you instantly whether your email was exposed and what data was taken.
Change your Giant Tiger password immediately, change any other account where you used the same password, enable two-factor authentication on all important accounts, and monitor for phishing emails over the next 90 days.
Who was affected by the Giant Tiger breach?
The Giant Tiger data breach affected approximately 2,842,669 users who had accounts with the service. While not the largest breach on record, it still represents a significant number of compromised accounts in our database of 970+ known breaches.
If you ever created an account with Giant Tiger or used their services, your data may have been included in this breach. Check your email now to find out. You can also read our guide on what to do immediately after a data breach.
If your email was in the Giant Tiger breach
Change your Giant Tiger password immediately
Go to Giant Tiger and change your password right now. Use a strong, unique password that you have never used anywhere else.
Change any account sharing that password
If you used the same password on other sites, change it on every one of them. Attackers test stolen credentials on hundreds of popular sites within hours.
Enable two-factor authentication
Turn on 2FA on Giant Tiger and every important account. Even if your password is known, attackers cannot get in without the second factor.
Check your other accounts for this breach
Run a full email check to see every breach your email appears in — not just this one.
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