42,779 Plaintext Passwords in One File: Inside the Trident_Cloud Telegram Stealer Log

HEROIC analysts detected the Trident_Cloud stealer log breach in February 2026, when an anonymous Telegram user uploaded a file exposing 42,779 records harvested from infected devices. The dataset included email addresses, plaintext passwords, and endpoint URLs, all collected by information-stealing malware before being bundled and posted publicly on Telegram. The scale of this particular drop, nearly 43,000 credential sets, makes it one of the larger single-file stealer log releases tracked by HEROIC analysts that month.

Why This Is Dangerous

Forty-two thousand plaintext credential pairs represent a ready-made attack toolkit. Every password in this file is in the exact form the victim typed it, requiring no decryption or cracking. Attackers who obtained the Trident_Cloud file can immediately run automated credential stuffing attacks across dozens of platforms. The endpoint URLs also act as a targeting guide, showing which services each victim actively used so attackers know exactly where to try the stolen logins first.

What Was Exposed

• Email Addresses
• Plaintext Passwords
• URLs (endpoint and API hosts)

Why This Matters

Stealer logs like the Trident_Cloud dump are the starting point for a chain of harms. Credential stuffing leads to account takeover. Account takeover enables identity theft, financial fraud, and in corporate cases, full network intrusion. The more accounts a victim uses with the same password, the more damage a single exposed credential can cause. Many victims don't discover their credentials were leaked until they recieve a fraud alert from their bank or find themselves locked out of their own accounts.

How Stealer Log Breaches Work

Stealer malware is built to operate without triggering any visible alerts. It typically enters a system through a malicious download, a trojanized software installer, or a phishing link. Once active, it reads stored browser credentials, captures form inputs, and logs the URLs of authenticated sessions. Everything the malware collects is organized into a structured log file named after the malware variant or the operator running the campaign. That file gets uploaded to Telegram or dark web forums where anyone can download it. The Trident_Cloud label likely refers to the malware variant or distribution channel used in this particular campaign.

Check If You Are Affected

HEROIC's free breach scanner at HEROIC.com searches your email against more than 400 billion exposed records, including recent stealer log drops like the Trident_Cloud file from February 2026. Enter your email now to find out if your credentials were part of this breach or any of the thousands of other leaks in HEROIC's database. It's free, it's fast, and it's the best first step toward protecting your accounts.