To prevent your data from appearing in future versions of these "csv.rar" files, adjust your Telegram Privacy Settings:

Attackers use the linked phone numbers or names to craft targeted social engineering attacks.

This specific filename format—often appearing as t40_xss.csv.rar or telegram_users.csv.rar —usually contains a Comma Separated Values (CSV) file. The data inside typically includes:

Limit visibility to contacts to prevent automated scraping of your likeness.

Marketers use these lists to add users to unauthorized groups or send mass promotional messages.

БД ASL - Statistics & analytics of Telegram channel - Telemetr.io

Scraped data is often combined with other leaks (like the Irancell leak ) to build comprehensive profiles of individuals. Security Warnings

Often linked to the account if the user's privacy settings were lax. Usernames: Publicly searchable handles. First and Last Names: As provided by the user. Why It Exists and How It Is Used