GPS Underground
HIGH RISKData breach — July 2016
In early 2017, GPS Underground was amongst a collection of compromised vBulletin websites that were found being sold online. The breach dated back to mid-2016 and included 670k records with usernames, email and IP addresses, dates of birth and salted MD5 password hashes.
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What happened in the GPS Underground data breach?
In early 2017, GPS Underground was amongst a collection of compromised vBulletin websites that were found being sold online. The breach dated back to mid-2016 and included 670k records with usernames, email and IP addresses, dates of birth and salted MD5 password hashes.
The exposed data included 5 types of personal information. Because passwords were exposed, users who reused their password on other sites are at particular risk. Learn more about what a data breach means for you.
Quick answer — was GPS Underground hacked?
Yes. GPS Underground was breached in July 2016. The breach exposed 669,584 records including dates of birth, email addresses, ip addresses. 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 GPS Underground breach so dangerous?
The GPS Underground breach exposed 669,584 records — that is a large number of compromised accounts. The combination of dates of birth, email addresses, ip addresses makes this a high-risk breach that requires immediate action.
Because passwords were exposed, attackers can use credential stuffing to automatically test your GPS Underground password against hundreds of other websites. If you reused your password anywhere, those accounts are now at risk. Read more about what happens to your data after a breach.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the GPS Underground breach?
Dates of birth — used to verify identity for account takeover and fraud
Email addresses — used for phishing attacks and credential stuffing against your other accounts
IP addresses — combined with other data, used for identity theft and physical fraud
Passwords — can be used to access your accounts directly or cracked to reveal your actual password
Usernames — used to build profiles and target you with personalised scams
Is the GPS Underground breach still dangerous in 2026?
Yes. Stolen data from the GPS Underground 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 2016 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 GPS Underground 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 GPS Underground breach
Approximately 669,584 user records were exposed in the GPS Underground breach in July 2016.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your GPS Underground 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 GPS Underground dataset and tell you instantly whether your email was exposed and what data was taken.
Change your GPS Underground 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 GPS Underground breach?
The GPS Underground data breach affected approximately 669,584 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 GPS Underground 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 GPS Underground breach
Change your GPS Underground password immediately
Go to GPS Underground 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 GPS Underground 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
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