Roblox
MEDIUM RISKData breach — July 2016
In August 2016, Roblox disclosed a data breach that affected over 50k users. The security incident impacted email and IP addresses, usernames, purchases and Robux balances which were left exposed on a test server.
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What happened in the Roblox data breach?
In August 2016, Roblox disclosed a data breach that affected over 50k users. The security incident impacted email and IP addresses, usernames, purchases and Robux balances which were left exposed on a test server.
The exposed data included 5 types of personal information. Learn more about what a data breach means for you.
Quick answer — was Roblox hacked?
Yes. Roblox was breached in July 2016. The breach exposed 52,458 records including account balances, 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 Roblox breach so dangerous?
The Roblox breach exposed 52,458 records — that is a large number of compromised accounts. The combination of account balances, email addresses, ip addresses 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 Roblox breach?
Account balances — may be combined with other breach data to build a profile for targeted attacks
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
Purchases — may be combined with other breach data to build a profile for targeted attacks
Usernames — used to build profiles and target you with personalised scams
Is the Roblox breach still dangerous in 2026?
Yes. Stolen data from the Roblox 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 Roblox 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 Roblox breach
Approximately 52,458 user records were exposed in the Roblox breach in July 2016.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your Roblox 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 Roblox dataset and tell you instantly whether your email was exposed and what data was taken.
Change your Roblox 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 Roblox breach?
The Roblox data breach affected approximately 52,458 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 Roblox 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 Roblox breach
Change your Roblox password immediately
Go to Roblox 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 Roblox 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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