India’s Division of Telecommunications (DoT) has issued instructions to app-based communication service suppliers to make sure that the platforms can’t be used with out an energetic SIM card linked to the person’s cell quantity.
To that finish, messaging apps like WhatsApp, Telegram, Snapchat, Arattai, Sharechat, Josh, JioChat, and Sign that use an Indian cell quantity for uniquely figuring out their customers, in different phrases, a telecommunication identifier person entity (TIUE), to adjust to the directive inside 90 days.
The modification to the Telecommunications (Telecom Cyber Safety) Guidelines, 2024, is seen as an try and fight the misuse of telecommunication identifiers for phishing, scams, and cyber fraud, and guarantee telecom cybersecurity. The DoT stated the SIM‑binding instructions are essential to shut a safety hole that dangerous actors are exploiting to conduct cross‑border fraud.
“Accounts on immediate messaging and calling apps proceed to work even after the related SIM is eliminated, deactivated, or moved overseas, enabling nameless scams, distant ‘digital arrest’ frauds and authorities‑impersonation calls utilizing Indian numbers,” the DoT stated in an announcement issued Monday.
“Lengthy‑lived net/desktop periods let fraudsters management victims’ accounts from distant places while not having the unique gadget or SIM, which complicates tracing and takedown. A session can at present be authenticated as soon as on a tool in India after which proceed to function from overseas, letting criminals run scams utilizing Indian numbers with none recent verification.”
The newly issued directive mandates that –
- App Primarily based Communication Companies are constantly linked to the SIM card put in within the gadget and make it inconceivable to make use of the app with out that energetic SIM
- The online service occasion of the messaging platform is periodically logged out each six hours after which giving the customers to re-link their gadget by way of a QR code if mandatory
In forcing periodic re‑authentication, the Indian authorities stated the change reduces the scope for account takeover assaults, distant management misuse, and mule account operations. What’s extra, the repeated re-linking introduces extra friction within the course of, necessitating that the menace actors show they’re in management many times.
The DoT additionally famous that these restrictions make sure that each energetic account on the messaging app and its net periods is tied to a Know Your Buyer (KYC)‑verified SIM, thereby permitting authorities to hint numbers which are utilized in phishing, funding, digital arrest, and mortgage scams.
It is value noting that the SIM-binding and automated session logout guidelines are already relevant to banking and immediate fee apps that use India’s Unified Funds Interface (UPI) system. The most recent instructions prolong this coverage to additionally cowl messaging apps. WhatsApp and Sign didn’t reply to requests for remark.
The event comes days after the DoT stated a Cellular Quantity Validation (MNV) platform can be established to curb the surge in mule accounts and id fraud stemming from unverified linkages of cell numbers with monetary and digital providers. In accordance with the modification, such a request on the MNV platform could be positioned by both a TIUE or a authorities company.
“This mechanism allows service suppliers to validate, by a decentralized and privacy-compliant platform, whether or not a cell quantity used for a service genuinely belongs to the particular person whose credentials are on file – thereby enhancing belief in digital transactions,” it stated.



