Inside the EpilepsyLogsOwner Stealer Log: 16,659 US Accounts Exposed

In July 2025, a Telegram user uploaded a stealer log containing 16,659 records tied to United States-based victims. The file, attributed to EpilepsyLogsOwner 335count, exposed email addresses, plaintext passwords, and the exact URLs where those credentials were used. This dataset circulated rapidly among cybercriminals the moment it was posted.

Why This Is Dangerous

Stealer logs are not abstract data breaches. Every record in this file represents a real person whose login credentials were silently harvested from their own device. With 16,659 plaintext passwords now in criminal hands, the attack surface is immediate and broad. Threat actors do not wait -- they run automated credential-stuffing tools within hours of a log being published. US-based accounts are among the most targeted because they are frequently linked to financial services, healthcare portals, and e-commerce platforms with high monetary value. The presence of service URLs in this dataset means attackers knew exactly which platforms to target first, eliminating the need for any guesswork on their part.

What Was Exposed

• Email addresses (used as primary account identifiers across services)
• Plaintext passwords (no decryption required -- ready for immediate use)
• URLs (revealing which specific platforms and services were compromised)

Why This Matters

Password reuse is the force multiplyier that turns a single stealer log into a widespread breach. If any victim in this dataset used the same password across multiple platforms, each of those accounts is now at risk -- not just the one captured by the malware. US accounts tied to banking apps, payroll systems, or healthcare portals face the greatest downstream exposure. Infostealer logs like EpilepsyLogsOwner 335count are also aggregated into larger compilations and resold repeatedly on dark web marketplaces, meaning the danger does not expire when the original Telegram post disappears. Victims remain at risk indefinately.

How Stealer Log Breaches Work

Infostealer malware spreads through phishing emails, trojanized software downloads, malicious browser extensions, and fake cracked application installers. Once executed on a victim's device, it operates invisibly in the background. It captures every credential saved in the browser, every password typed into a login form, and every URL the victim visits. This data is structured into a log file and transmitted to an attacker-controlled server. The operator then packages the logs -- sometimes by geography, sometimes by volume -- and distributes them on Telegram channels or dark web forums. The EpilepsyLogsOwner naming convention suggests this was one collection among many maintained by the same threat actor.

Check If You Are Affected

HEROIC's free breach scanner searches across more than 400 billion exposed records, including stealer logs like EpilepsyLogsOwner 335count. Enter your email address and get instant results. If your credentials appeared in this breach or any related dataset, you will know immediatelly so you can change your passwords and secure your accounts before attackers act.