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Sebastian Genter

Steam Leak 2025: What Really Happened & How to Protect Your Account Now

May 15, 2025

Steam Leak 2025: What Really Happened & How to Protect Your Account Now

Sebastian Genter

Sebastian Genter

Tags: STEAM

Valve’s Statement in Detail: No Need to Panic, But Stay Alert

Yesterday, the term “Steam Leak” was trending, but what actually happened?
Valve has issued a clear statement, and there’s good news:

🔹 What did NOT happen:

  • No access to Steam accounts, passwords, or payment information.

  • No hack of Steam systems, the leak likely originated from external SMS providers.

🔹 What was actually leaked:

  • Older SMS messages containing already expired one-time codes (valid for only 15 minutes).

  • Phone numbers, though not linked to Steam accounts.

Valve’s conclusion: “You don’t need to change passwords or phone numbers, but stay vigilant.”


Why This Leak Still Matters

Even though there’s no immediate danger, the incident highlights two critical issues:

  1. SMS is insecure, messages are unencrypted and pass through multiple providers.

  2. Attackers collect data, even old codes can be used for social engineering.

Valve’s recommendations:
✅ Enable the Steam Mobile Authenticator (more secure than SMS codes).
✅ Regularly check authorized devices (Click here).
✅ Be skeptical of unexpected messages, Steam will never ask for codes unprompted.


How to Protect Yourself Even Better, Not Just on Steam

Valve reacted correctly, but security doesn’t stop at gaming accounts.

🔐 1. Use 2FA, The Right Way

  • Opt for authenticator apps (e.g., Google/Microsoft Authenticator), they’re safer than SMS.

  • Save backup codes in case you lose your phone.

📧 2. Secure Email Servers, The Most Common Attack Vector
Many hacks start with compromised email accounts. At VELEVO®, we focus on:

  • Encrypted communication (no open SMTP relays).

  • Strict password and access management policies.

  • Mobile security, as many attacks involve SIM-swapping.

🛡️ 3. Proactive Monitoring, Don’t Wait for a Leak to Act
Our Abuse Team at VELEVO® analyzes such cases daily. IT forensics, network security, and incident response are part of our standard, because the best defense starts before an attack happens.


Conclusion: Transparency Is Good, Preparation Is Better

Valve communicated transparently, but security is an ongoing process.

🔹 For users:

  • Enable 2FA, prefer authenticator apps, report suspicious messages.

🔹 For companies:

  • Prioritize email and network security, most attacks exploit known vulnerabilities.

  • Work with experts like VELEVO®, who deal with hacks, forensics, and defense daily.

Want more insights? Follow the VELEVO®.BLOG, we explain security without jargon, based on real incident-response cases.


Why this article?
Because at VELEVO®, we see daily how attacks unfold, and how to stop them. No marketing. Just results.

Sebastian Genter

Sebastian Genter

Sebastian Frank Genter
IT Forensics Expert | Cybersecurity Lead | Project Strategist

Certified specialist (CISSP, OSCP, ISO 27001 Lead Auditor) with 16+ years of hands-on experience in mission-critical IT projects. My mission: securing businesses through forensic precision, resilient protection, and scalable technology solutions.

✔️ IT Forensics: Digital trace analysis & cybercrime investigation
✔️ Cybersecurity: White-hat strategies for critical infrastructure & mid-market
✔️ Project Leadership: From due diligence audits to go-live

“Without data, you're just another person with an opinion.” – My motto, inspired by W. Edwards Deming.

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