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Max Messenger data breach claimed by hacker on DarkForums

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January 15, 2026 at 6:26 PM

Actively Exploited

Overview

A hacker has claimed responsibility for a significant data breach involving Max Messenger, reportedly extracting 142 GB of compressed data that includes around 15.4 million user records. The exposed information consists of full names, usernames, and phone numbers, which could put many users at risk of identity theft or spam. This incident raises concerns about the security measures in place to protect user data, especially given the large volume of personal information compromised. Users of Max Messenger should be vigilant about potential phishing attempts and consider changing their passwords to enhance their security. The situation also serves as a reminder for companies to prioritize data protection and implement stronger safeguards against unauthorized access.

Key Takeaways

Active Exploitation: This vulnerability is being actively exploited by attackers. Immediate action is recommended.
Affected Systems: Max Messenger user records, including full names, usernames, and phone numbers.
Action Required: Users should change passwords and remain cautious of phishing attempts.
Timeline: Newly disclosed

Original Article Summary

The attacker claims to have exfiltrated 142 GB of compressed data, including approximately 15.4 million user records with full names, usernames, and phone numbers.

Impact

Max Messenger user records, including full names, usernames, and phone numbers.

Exploitation Status

This vulnerability is confirmed to be actively exploited by attackers in real-world attacks. Organizations should prioritize patching or implementing workarounds immediately.

Timeline

Newly disclosed

Remediation

Users should change passwords and remain cautious of phishing attempts. Companies should enhance security measures and consider notifying affected users.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Phishing, Data Breach.

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