The 1626 Combolist: 1,624 Passwords Exposed. Yours Might Be One.

In November 2025, HEROIC analysts found a combolist simply named "1626" being shared on Telegram. The file contained 1,624 records combining email addresses with plaintext passwords, a size that roughly matches the number in its own filename. Why This Is Dangerous: Small, unlabeled combolists like this one are easy to overlook, but the risk to each person inside is the same as in a larger breach. Every entry includes a working email and plaintext password, ready to be tested against other accounts the moment someone downloads the file. What Was Exposed: The 1626 list contains email addresses, plaintext passwords, and URLs tied to the accounts. Why This Matters: Even a leak of this size can lead to serious consequences if the password was reused elsewhere. Attackers routinely feed small combolists like this into credential stuffing tools, hoping to catch one working login that opens the door to a bank account, email inbox, or online store profile. How a Combolist Like 1626 Is Made: These lists are typically built from credentials pulled out of earlier breaches, formatted as simple email and password pairs, and shared with minimal labeling. The lack of a descriptive name doesn't make the data any less real or any less dangerous to the people in it. Check If You Are Affected: Don't assume a small leak means you're safe. HEROIC's free breach scanner checks your email against more than 400 billion leaked records, including combolists like 1626, so you can confirm your exposure in seconds.