India, April 21 -- A notable shift in how telecom networks are tackling digital fraud is emerging with a new feature introduced by Bharti Airtel. The operator has rolled out a capability that alerts users in real time during voice calls if a bank one-time password (OTP) is detected in the conversation. By flagging the potential sharing of sensitive information at the exact moment it may occur, the feature encourages users to pause and reassess before taking action.

This development comes at a time when financial fraud is increasingly being executed through voice interactions. Traditional spam detection systems generally issue warnings either before a call is answered or after suspicious activity has been identified. Airtel's approach dif...