64,594 Usernames and IP Addresses: The FiveM Data Breach Exposed

HEROIC analysts identified a data breach affecting FiveM, a popular multiplayer modification framework for Grand Theft Auto V based in the United States, surfacing on July 31, 2024. The breach exposed 64,594 records containing usernames and IP addresses. No passwords or personal identity data were included, but the combination of gaming handles with network identifiers creates a targeted attack surface specific to the online gaming environment.

Why This Is Dangerous

Usernames and IP addresses together allow attackers to identify specific players on FiveM servers, geolocate them, and launch targeted denial-of-service attacks to knock them offline mid-session. In competitive gaming communities, this tactic is used to harass opponents, disrupt server operators, and extort server owners. IP addresses can also be correlated with other breach datasets to link a gaming alias to a real-world identity, enabling doxxing. For server administrators, exposed IP addresses reveal backend infrastructure that can be probed for further intrusion.

What Was Exposed

• Username
• IP Address

Why This Matters

Gaming platform breaches carry unique risks because username handles are often consistent across services, allowing attackers to connect a FiveM alias to accounts on Discord, Steam, Reddit, and other platforms. IP address exposure is a gateway to targeted denial-of-service attacks, network reconnaissance, and ISP-level social engineering. For players who host private FiveM servers, leaked IP data may expose their hosting infrastructure. Even users who consider their gaming activity separate from their real identity face profile-building risks when aliases and network data intersect with other leaked datasets through credential stuffing and account correlation.

How Database Breaches Work

A database breach occurs when an attacker obtains unauthorized access to a platform's backend data storage and extracts user records. Gaming platforms present unique attack surfaces because they often maintain large, active user bases with less security investment than financial or enterprise software. Common entry vectors include exploited web application vulnerabilities, insecure API endpoints that expose raw database queries, and compromised internal credentials. Once a dataset is exported, it is typically shared on gaming-specific hacking forums and dark web marketplaces, where IP-to-username mappings are valuable for targeted harassment campaigns and server attacks.

Check If You Are Affected

If you played on FiveM servers or administered a FiveM community, your username and IP address may be publicly available in breach databases. HEROIC's free scanner checks your data against more than 400 billion exposed records. Run a free scan now to see if your information was exposed in this or any other known breach.