The ‘Ok’ Combolist Quietly Leaked 1,699 Email and Password Pairs

In November 2024, HEROIC analysts found a combolist file, labeled simply Ok, uploaded by a user on Telegram. The file contained 1,699 records made up of email addresses, plaintext passwords, and URLs tied to the accounts, with little fanfare attached to the post itself. Why This Is Dangerous: a plain, unremarkable file name like this often means the list was compiled quietly and shared without drawing much attention, but the contents are just as usable as any other combolist. Because the passwords are stored in plaintext, an attacker does not need to crack anything before trying the credentials. What Was Exposed: the file includes email addresses used to sign into accounts, plaintext passwords tied to each address, and URLs showing where the credentials were used. Why This Matters: 1,699 records may be small compared to headline-grabbing breaches, but each one represents a real account. Anyone who reused one of these passwords elsewhere is exposed to credential stuffing, where attackers automatically try the same email and password combination on other sites, which can lead to account takeover, identity theft, or financial fraud. How a Combolist Like This Gets Made: combolists are typically assembled from a mix of older data breaches, phishing pages, and malware-infected devices, then bundled together as simple email and password lists. Generic or vague file names, like this one, are common when the list is compiled quickly or shared as a low-key test post before being sold elsewhere. Check If You Are Affected: if you want to know whether your email address turns up in this combolist or any other leak, HEROIC's free breach scanner checks your information against a database of more than 400 billion leaked records, so you can find out quickly and update any passwords that need it.