The CRYPTON_LOGS 301PCS Leak: 14,867 Passwords Exposed. Check Yours.

HEROIC analysts found the CRYPTON_LOGS 301PCS dataset on December 20, 2024, posted to a public Telegram channel by an anonymous user. The file contained 14,867 records stripped directly from compromised US endpoints using infostealer malware. Every password in the file was stored in plaintext. No hashing. No encryption. Just live, working credentials sitting in a publicly accessible chat channel, available to anyone who wanted to download them. The dataset included email addresses, plaintext passwords, and the specific URLs of the services where those credentials were active. CRYPTON_LOGS is the kind of breach that turns into account takeover campaigns within hours of the data going public.

Why This Is Dangerous

Fourteen thousand eight hundred sixty-seven plaintext passwords is not an abstract number. Each one belongs to a real person who, at the moment of infection, had no idea their device was compromised. Attackers who downloaded this file now have everything they need: who to target, what their password is, and exactly which website to try it on first. The URLs in the log remove the guesswork entirely. Credential stuffing tools can process this entire file against live login pages in a matter of minutes. If even 10 percent of those passwords work, that is nearly 1,500 accounts compromised. And because most people reuse passwords across multiple services, the real number of exposed accounts is likley far higher than the 14,867 records in the file suggest.

What Was Exposed in the CRYPTON_LOGS 301PCS Breach

• Email Addresses -- Real user email addresses tied to active accounts across US services
• Plaintext Passwords -- Fully unencrypted, immediately usable passwords for every record in the dataset
• URLs -- The specific websites and endpoints where each credential pair was captured and remains valid

Why This Matters: Credential Stuffing, Account Takeover, and Financial Fraud

When a log this size hits Telegram, the downstream damage unfolds in a predictable pattern. First, automated credential stuffing tools test the email and password pairs against popular platforms. Accounts that match get flagged for takeover. Email accounts are the highest-priority targets because access to an inbox enables password resets at every other service the victim uses. Banking logins, investment accounts, and payment platforms are next. Identity theft follows naturally when an attacker can access personal communications and financial records. The financial fraud risk is not hypothetical -- it is the documented outcome of these campaigns, reported repeatedley by fraud investigators and cybersecurity firms alike. Victims rarely find out until they are locked out of their own accounts or notice unauthorized transactions.

How CRYPTON_LOGS Style Stealer Campaigns Work

The name CRYPTON_LOGS tells analysts something about the campaign structure. Infostealer operations often use branded naming conventions to differentiate their log batches in the underground marketplace. Behind the name is a straightforward attack chain. Malware gets deployed to victim machines through phishing emails, trojanized software downloads, or malicious browser extensions. Once installed, the infostealer quietly harvests saved browser passwords, captures credentials typed into login forms, records the URLs of every site accessed, and collects session cookies. All of this gets written into a structured log file that is transmitted back to the attacker. The attacker then sorts, packages, and distributes these logs under a branded label like CRYPTON_LOGS. The 301PCS designation in the name likely refers to the number of compromised machines -- 301 infected devices that each contributed credentials to the 14,867-record dataset. This batch-and-brand model makes it easier for underground buyers to evaluate quality and reorder from the same operator.

Check If You Are Affected by the CRYPTON_LOGS 301PCS Breach

CRYPTON_LOGS 301PCS: 14,867 passwords exposed. Yours might be one of them. The only way to know for sure is to check. HEROIC's free breach scanner at heroic.com searches more than 400 billion exposed records, including stealer logs from underground Telegram channels like this one. Enter your email address and find out instantly whether your credentials are in this breach or any other known leak in our database. No signup needed, no cost, no waitting. If your email appears, change the compromised password right now and update it everywhere else you have used it. Turning on two-factor authentication today is the single best thing you can do to prevent the next breach from becoming a full account takeover.