WhatsApp Adds 2-Step Verification Passcode — Enable this Security Feature
Nov 15, 2016
WhatsApp has introduced a new security feature that fixes a loophole in the popular messaging platform, which if exploited, could allow an attacker to hijack victim's account with just knowing the victim's phone number and some hacking skills. The attack does not exploit any vulnerability in WhatsApp; instead, it relies on the way the account setup mechanism works. WhatsApp allows users to sign up to the app using their phone number, so if an attacker wants to hijack your WhatsApp account, they would require an OTP (One time password) send to your phone number. The attacker can grab this OTP by diverting the SMS containing the passcode to their own computer or phone, using either a malicious app or SS7 vulnerability , and then log into the victim's WhatsApp account. The attack even works in case the phone is locked. In August, Iranian state-sponsored hackers reportedly hijacked over dozens of Telegram accounts belonging to activists and journalists by exploiting a ...
