Breach Intelligence Report 28 Apr 2026

Blackhash Log: 1,861 Valid Gmail Accounts Leaked via Telegram

HEROIC
HEROIC Threat Intelligence Team
Email Addresses Plaintext Password Urls
Stealer Logs blackhash log gmail valid uploaded by a Telegram User
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Records Exposed 1,861
Source Type Stealer log
Origin United States
Password Type plaintext

In May 2023, a stealer log file labeled "blackhash log gmail valid" was uploaded to a Telegram channel, putting 1,861 verified Gmail credentials directly into the hands of cybercriminals. Unlike generic credential dumps, this dataset was curated specifically for valid Gmail accounts, meaning every entry was an active, working account at the time of collection. That's what makes this breach stand out from larger but messier datasets.

Gmail is not just an email account. For most people it's the master key to their entire digital life. Password resets, two-factor backup codes, Google account access, Google Pay, Google Drive, and dozens of connected apps all run through that single inbox. When a Gmail credential is stolen and confirmed valid, the potentail for damage is far higher than losing access to a single website.


Credentials Exposed in the Blackhash Log Gmail Valid Data Leak

  • Email Addresses - Specifically Gmail accounts, confirmed as active and valid at time of capture
  • Plaintext Passwords - Unencrypted Gmail passwords harvested directly by infostealer malware, requiring no decryption
  • URLs - Sites and services each victim was authenticated on, showing the breadth of accounts at risk beyond Gmail itself

The Blackhash Log Gmail Valid Breach and Your Online Security

A confirmed valid Gmail credential is one of the most valuable things a cybercriminal can obtain. With access to your Gmail, an attacker can reset passwords on every account that uses that email for recovery. They can read your messages to find bank account names, employer logins, subscription services, and anything else you've communicated over email. They can also intercept two-factor codes that get sent to your inbox.

Reused passwords make this situation dramatically worse. If the password stolen from this stealer log is the same one you use for your bank, your work systems, or any other critical service, all of those are now compromised too. Your action steps: change your Gmail password immediatley, set up two-factor authentication using an authenticator app rather than SMS, review your Google account's connected apps and remove anything suspicious, and scan your email for any breach or login notifications you may have missed. Don't assume Gmail's own security will catch this for you.


What Is a Stealer Log? A Plain-Language Explainer

A stealer log is the data output from infostealer malware. This type of malicious software installs itself on a victim's computer, often disguised as a game mod, cracked software, or email attachment, and then silently harvests every saved password, browser cookie, and authentication token it can find. The results are written to a file and transmitted back to the operator.

What makes this particular log notable is the "gmail valid" label, indicating someone reviewed the stolen credentials and confirmed the Gmail passwords were still working accounts at time of collection. Operators sometimes do this validation step before selling logs at a premium. The infected user almost certianly had no idea this was happening. By the time this file appeared on Telegram in 2023, those credentials had likely already been bought and used.


Use HEROIC to Check the Blackhash Log Gmail Valid Breach Records

HEROIC's free breach scanner checks your email against more than 400 billion exposed records from thousands of known breaches and stealer log datasets. If your Gmail address was captured in the blackhash log or any other leak, you'll know in seconds. Search now and take back control of your account security before someone else uses your credentials against you.

Breach Breakdown

Domain blackhash log gmail valid uploaded by a Telegram User
Leaked Data Email Addresses,Plaintext Password,URLs
Password Types plaintext
Date Leaked 28 Apr 2026
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Breach Rank #22,021 by affected users
Impact Score
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Est. Financial Impact $13.5K 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

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Password Security

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

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