Lifehacker: Plug The Security Holes In Your Two-Factor Authentication

Lifehacker: Plug The Security Holes In Your Two-Factor Authentication. “On Tuesday, Techcrunch writer John Biggs had his phone number stolen by a hacker who gained control of Biggs’ T-Mobile SIM card, granting him access to Biggs’ phone number used to verify his identity. Biggs correctly employed SMS-based two-factor authentication on his accounts, but forgot to add extra security layers to his wireless carrier account. His attacker proceeded to lock him out of his accounts and attempt to demand ransom in bitcoin.”