India, July 24 -- WhatsApp appears to be working on a major upgrade for account security. According to a new report based on the latest Android beta version, the messaging platform is developing a new password system that could eventually replace the existing six digit PIN used for two step verification. The move is expected to offer better protection against account takeover attempts, including SIM swapping attacks.

The upcoming feature will reportedly allow users to create an alphanumeric password instead of relying only on a numeric PIN. The password must include both letters and numbers, making it significantly harder to guess than the current six digit code. Early beta strings also suggest WhatsApp will check whether the chosen pass...