Dark Web Combolist Drop Exposes 3,487,618 Stolen Login Pairs

Dark web monitoring feeds flagged a notable drop this week: "Files_17.10_18.21_69," a combolist carrying 3,487,618 stolen login pairs that first surfaced on October 10, 2024 and is still being passed around Telegram circles today.

Why This Is Dangerous

Analysts who track these channels say combolists like this one rarely stay contained to one group, they get copied, reposted, and resold across multiple dark web forums within days. Each copy is another chance for a criminal to try your old password against a new target.

What Was Exposed

• 3.48 million email and username combinations
• Plaintext passwords with no encryption to slow anyone down
• URLs tying each login to the exact service it belonged to

Why This Matters

Dark web chatter around files like this one usually centers on efficiency, how fast a buyer can automate testing these logins across banking, email, and retail sites. That efficiency is bad news for you if your credentials are sitting in the file and haven't been rotated since 2024.

How These Combolists Circulate

Once a combolist is compiled from older breach data, it doesn't just sit in one place, it gets seeded into dark web trading channels, forums, and Telegram groups almost simultaneously so no single takedown can stop it. Buyers grab a copy, run it through automated tools that test the credentials against hundreds of sites in minutes, then flag whatever still logs in for further exploitation. This is a big part of why old leaks resurface as new danger years later, there's no garuntee a leak ever really goes away, wich makes it neccessary to treat a two year old combolist with the same seriousness as a fresh one.

Check If You Are Affected

HEROIC's threat intelligence tracks more than 400 billion leaked records pulled from exactly these kinds of dark web drops, and our free scanner checks your email against all of it instantly. If your login pair is floating around in files like this, you deserve to know before someone else finds it first.