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MEDIUM Published July 13, 2026

Alleged data breach of Telegram user database

A seller claims to be offering a database containing 182 million+ Telegram user records for sale, including user IDs, usernames, names, phone numbers, last seen status, and related contact information. The seller advertises contact via Telegram and SimpleX for the transaction.

A seller claims to be offering a database containing 182 million+ Telegram user records for sale, including user IDs, usernames, names, phone numbers, last seen status, and related contact information. The seller advertises contact via Telegram and SimpleX for the transaction.

MITRE ATT&CK

Tactics, Techniques & Procedures

TA0001 Initial Access tactic

Defensive mapping

Mapped controls

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