Telegram provides a range of security features

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Two-factor authentication (2FA) adds an extra layer of security by requiring a password in addition to the SMS verification code during login. Users can also set passcodes to lock the app, ensuring that unauthorized individuals cannot access their chats even if they gain physical access to the device .
Moreover, Telegram allows users to control who can see their phone number, profile photo, and last seen status. These privacy settings can be customized to restrict access to contacts, specific users, or everyone. The platform also offers self-destructing messages and media, which automatically delete after a set period, further enhancing user privacy
Challenges and Criticisms
Despite its robust security features, Telegram has india telegram data faced criticism regarding its encryption protocols and data handling practices. The platform uses a proprietary encryption protocol called MTProto, developed in-house. While Telegram claims this protocol is secure, its closed-source nature has raised concerns among security experts who advocate for open-source protocols that can be independently audited for vulnerabilities
Additionally, Telegram's policy of storing cloud chats on its servers, albeit encrypted, means that in the event of a data breach or government request, user data could potentially be accessed. While Telegram asserts that it does not share user data with third parties or governments without a valid court order, instances have been reported where the platform has complied with legal requests, particularly in cases involving terrorism or child exploitation
Misuse and Regulatory Challenges
Telegram's commitment to user privacy and minimal content moderation has made it a haven for free expression. However, this same openness has also attracted malicious actors who exploit the platform for illicit activities. In recent years, Telegram has been used to facilitate black market transactions, disseminate extremist propaganda, and coordinate cybercriminal activities. For instance, the platform was instrumental in the operations of Huione Guarantee and Xinbi Guarantee, two massive Chinese-language digital black markets that facilitated over $35 billion in transactions related to money laundering and other illegal activities. Telegram eventually shut down these markets, citing violations of its terms of service .