Researchers Link a File Named ‘Ok’ to 939 Leaked Login Credentials

In July 2025, HEROIC analysts came across a Telegram upload with the plain, unremarkable name Ok. Despite the throwaway title, the file contained 939 real records, each pairing an email address with a plaintext password and the login URL it was taken from. Why This Is Dangerous: A forgettable file name does nothing to protect the people inside it. The passwords are stored in plain, readable text, so anyone who downloads the file can try each login directly, with no need to crack or guess anything. What Was Exposed: - Email addresses - Plaintext passwords - URLs tied to each login Why This Matters: Vague, unlabeled files like this often slip past attention because they do not name a well-known company or advertise a big number. But the 939 people in this file face the same risks as anyone in a larger breach: if a password was reused, an attacker can use credential stuffing to break into email, banking, or shopping accounts, leading to identity theft or financial fraud. How a Combolist Like This Works: Files with generic or joke names like Ok are usually smaller batches split off from a bigger source, malware logs, phishing kits, or older breach data, and uploaded quickly without much effort put into labeling or marketing them. That casual presentation does not reflect the accuracy or usability of the credentials inside. Check If You Are Affected: Run your email address through HEROIC's free breach scanner, which checks it against more than 400 billion exposed records, including this file. If you find a match, change that password right away and anywhere else you have reused it.