Dark Web Intel: 1,910 rcsd.ms Logins Leaked in a Telegram Combolist

What HEROIC Analysts Found HEROIC's dark web monitoring flagged a combolist tied to the rcsd.ms email domain on 10 June 2026. The file, uploaded to Telegram, contains 1,910 records, each pairing an email address with a plaintext password and a related URL. Why This Is Dangerous This is exactly the kind of file dark web monitoring exists to catch. Every one of these 1,910 entries includes a readable password, meaning anyone who finds the file can log in as the account owner right away, with no cracking or guessing needed. What Was Exposed 1,910 email addresses tied to rcsd.ms Plaintext passwords for each account URLs tied to each login Why This Matters Combolists that surface through dark web channels like Telegram are typically used within hours of being posted. Attackers run them through credential stuffing tools that test each email and password pair against other websites, and any reused password can lead to account takeover, identity theft, or financial fraud for the people involved. How This Combolist Surfaced on the Dark Web Domain-specific combolists like this one, built around rcsd.ms, are usually assembled from older breaches, phishing pages, or malware infections rather than a single hack. HEROIC's dark web intelligence tracks channels like the one this file appeared on, watching for exactly this kind of credential dump before it spreads further. Check If You Are Affected If you have an email address linked to rcsd.ms, it is worth checking whether it showed up in this leak. HEROIC's free breach scanner searches more than 400 billion records surfaced through dark web monitoring, giving you a fast, clear answer so you can secure your account.