On June 19, 2025, cybersecurity researchers uncovered what is being described as the largest data breach in history, exposing a staggering 16 billion login credentials, including usernames and passwords, across 30 unprotected databases. Reported by Forbes and Cybernews, this massive leak, primarily driven by infostealer malware, contains sensitive data from major platforms like Apple, Google, Facebook, Telegram, and various government services, affecting users worldwide.
The breach, dubbed the “Mother of All Breaches” (MOAB), includes fresh, previously unreported datasets, making it particularly dangerous for account takeovers, phishing campaigns, identity theft, and ransomware attacks. The exposed databases, which were briefly accessible online without password protection, contain structured data such as URLs, login details, and passwords, collected by cybercriminals and possibly white-hat researchers. While the databases were quickly locked down, their ownership remains unclear, complicating mitigation efforts.
The scale of this leak is unprecedented, with the largest single dataset containing over 3.5 billion records. Overlapping records make it difficult to determine the exact number of affected individuals, but with only 5.5 billion internet users globally, many likely have multiple compromised accounts. The breach highlights critical vulnerabilities in cloud storage security and the lack of multi-factor authentication (MFA) in many systems, fueling risks for large-scale cyberattacks.
What You Can Do to Protect Yourself:
- Change Passwords Immediately: Use strong, unique passwords for each account and update them regularly.
- Enable Multi-Factor Authentication (MFA): Add an extra layer of security to your accounts wherever possible.
- Monitor for Infostealers: Scan devices for malware that could steal sensitive data.
- Stay Vigilant for Phishing: Be cautious of suspicious emails or messages that could exploit stolen credentials.
- Check for Breaches: Use services like Surfshark One to monitor if your data has been exposed.
This breach underscores the urgent need for robust cybersecurity practices. As cybercriminals continue to exploit unprotected databases, individuals and organizations must prioritize data security to prevent devastating consequences.
Sources:
- Forbes, Cybernews