Technology & Science

India Orders Continuous SIM Binding & 6-Hour Web Logouts for OTT Messengers

On 1 Dec 2025, India’s DoT invoked new Cybersecurity Rules to force WhatsApp, Telegram, Signal and others to keep accounts tied to the original SIM and auto-log web sessions every six hours, giving firms 90 days to comply or face penalties.

By Underlines Team

Focusing Facts

  1. Directive dated 28 Nov 2025 grants platforms 90 days to deploy SIM-IMSI checks and 4 months to file a compliance report to the DoT.
  2. The Telecommunication Cybersecurity Amendment Rules 2025 created a new “Telecommunication Identifier User Entity (TIUE)” regime that mandates continuous SIM presence and caps web-client sessions at 6 hours.
  3. WhatsApp’s Indian user base exceeds 500 million, the largest single-country audience affected by the order.

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