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.
Focusing Facts
- 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.
- 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.
- WhatsApp’s Indian user base exceeds 500 million, the largest single-country audience affected by the order.
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