• Source:JND
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I4C, established under the Ministry of Home Affairs (MHA), has been actively fighting cybercrime across India since January 2020. Recently, they released an advisory about an emerging eSIM fraud targeting mobile users without their knowledge in India.

How the eSIM Scam Works

According to I4C, cybercriminals are using a new method to hijack victims’ phone numbers and steal sensitive banking information. In one reported case, despite the victim disabling ATM and UPI features, scammers managed to siphon off ₹4 lakh.

Here’s how the scam unfolds:

1. Fraudsters call the victim and send an eSIM activation link.

2. When the victim clicks the link, their physical SIM gets converted into an eSIM without consent.

3. The victim’s physical SIM stops working, leading to loss of network signals.

4. All calls, SMS, and bank OTPs are redirected to the fraudsters’ eSIM.

5. Using these OTPs, scammers initiate bank transactions and steal money.

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Why This is Dangerous

Since bank OTPs are the final layer of authentication, hijacking them gives fraudsters direct access to a victim’s financial accounts. This makes the eSIM scam more dangerous than traditional phishing or SIM-swap frauds.

Safety Tips Issued by I4C

To protect against this growing threat, I4C has urged citizens to follow these precautions:

  • Avoid unknown calls and suspicious links – Do not click on any unsolicited eSIM activation links.
  • Request eSIM conversions directly – Only initiate the process through your telecom operator’s official channels.
  • Act immediately if signals drop – If your phone suddenly stops receiving network signals, promptly contact your bank and telecom service provider to prevent fraud.

Larger Context – DoT’s Action Against SIM Frauds

This advisory follows on the heels of DoT revealing its Financial Fraud Risk Indicator (FRI) had blacklisted 3-4 lakh SIM cards involved in fraudulent activities, using AI technology. FRI monitors around 2,000 high-risk phone numbers daily that may be related to investment scams or fake job offers.

Final Takeaway

The increase of eSIM fraud highlights how cybercriminals have evolved their strategies. Users should remain alert and report suspicious activities without delay - one mistaken click can result in significant financial losses.