Breach Database / Roblox

▍Yes — Roblox was breached.

• 52,458 accounts affected
• Breach occurred 2016-07-31 · roblox.com
• Verified entry in the Have I Been Pwned catalog

What happened

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.

What data was exposed

• Account balances
• Email addresses
• IP addresses
• Purchases
• Usernames

What to do right now

1. Expect convincing phishing emails. Attackers use breached details to write personalized emails. Be suspicious of any message referencing this service.
2. Check your other accounts on Have I Been Pwned. Your email address may appear in other breaches you don't know about yet.
3. Monitor the apps you use going forward. Clearly watches the breach record for the companies behind your apps and alerts you the moment one appears.

Breach data from Have I Been Pwned. Listing here means the service appears in the public breach record — not that your personal data was affected.