If You Reuse Passwords, the Hotmail2 ryder699 Leak Matters

HEROIC detected a stealer log labeled Hotmail2 test by ryder699 circulating through Telegram. The file contains 1,015 stolen credential records, each pairing an email address with a plaintext password and the URL of the service where it was captured. This dump targets Hotmail users and was compiled by the threat actor ryder699 using infostealer malware deployed on victim devices.

Unencrypted Passwords: Zero Barrier to Account Access

Every password in this dump appears in plaintext with no encryption or hashing applied. For the 1,015 people affected, this means their credentials are immediately actionable. An attacker does not need to run any decryption process or invest computing resources. The password is right there, ready to be typed into a login page. Plaintext exposure turns a data breach into an instant access event.

What Was Exposed

• Email Addresses — Hotmail accounts used for personal and professional communication
• Plaintext Passwords — login credentials visible in their original, unprotected form
• URLs — web addresses identifying which services were targeted by the malware

Password Reuse Turns One Leak Into Many Breaches

If you use the same password for your Hotmail account and other services, this breach is especially dangerous for you. Attackers routinely run credential stuffing attacks where they take email-password combinations from one leak and test them against hundreds of other websites. Banking apps, streaming services, workplace tools, and social media accounts all become targets. The 1,015 credentials in this dump are likely already being tested across the internet.

How Infostealers Collected This Data

The credentials in this breach were harvested by infostealer malware. This category of malicious software targets saved passwords in web browsers, autofill data, and browser cookies. Users typically become infected by downloading pirated software, clicking phishing links, or visiting compromised websites. The malware runs silently, collecting every saved credential before sending the data to the attacker. The ryder699 compilation represents just one batch from what is likely an ongoing operation.

Check If Your Credentials Were Exposed

The Hotmail2 test by ryder699 stealer log is now part of HEROIC's database, which contains over 400 billion compromised records from thousands of breaches. Use HEROIC's free breach scanner to check if your email address or password appears in this or any other known leak. If you find a match, change the affected password immediately and adopt unique passwords for every account going forward.