Breach Intelligence Report 28 May 2026

US Users Hit as 144_AtomSpy Stealer Leaks 3,358 Records

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs 144_AtomSpy uploaded by a Telegram User
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Records Exposed 3,358
Source Type Stealer log
Origin United States
Password Type plaintext

The file goes by "144_AtomSpy," and it landed on Telegram on 02-Dec-2023 carrying 3,358 stolen login records tracked back mostly to United States based accounts. AtomSpy sounds like the name of a spy tool because that's essentially what it is, malware built to quietly watch and record everything a victim types and saves.


Why This Is Dangerous

American users tend to bank, shop, and manage healthcare accounts online more than almost any other population, which means a leak like this one carries a disproportionate amount of financial and personal risk per record compared to some other regions. Every stolen login here is a potential doorway into a real bank account or medical portal.


What Was Exposed

  • 3,358 email addresses matched with plaintext passwords
  • URLs identifying the specific US-based and international accounts targeted
  • Credential pairs with no encryption left intact after collection

Why This Matters

If you're in the United States and reuse passwords across banking, shopping, and email accounts, a leak like this one is exactly the kind of thing that can turn into a drained account or a fraudulent credit application. Attackers know which regions tend to have the most valuable accounts attached to a given login, and that knowledge shapes who gets targeted first.


How AtomSpy Infections Happen

AtomSpy is consistent with typical infostealer malware, usually delivered through cracked software, malicious ads, or fake download links. Once installed, it quietly harvests saved browser credentials and autofill data before sending everything back to whoever is running the campaign, all without the victim recieving any warning that something is wrong.


Check If You Are Affected

Don't leave it up to chance whether your information ended up in this batch. HEROIC's free scanner checks your email against more than 400 billion leaked records worldwide, including this 144_AtomSpy stealer log, giving you a clear answer in seconds.

Breach Breakdown

Domain 144_AtomSpy uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 28 May 2026
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Breach Rank #N/A by affected users
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Est. Financial Impact $24.3K fraud, phishing & misuse risk
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Identity Theft Risk Score

Risk Score: 8.7/10 - Critical

Data Exposure Analysis

Passwords Critical
Financial High
Personal Medium
Social High
Security Critical

Breach Timeline Analysis

March 2024 Multiple credentials exposed in recent data breach
January 2024 Password found in dark web marketplace
December 2023 Personal information leaked in major security incident

Security Recommendations

High Priority
Password Security

Critical: Change compromised passwords immediately and enable 2FA on all accounts

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Financial Protection

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