With Doctored Photos, Thieves Try to Steal Bitcoin

Some cryptocurrency exchanges mandate that customers use two-step verification. It requires a one-time passcode to be entered after someone logs in with a username and password. It's a crucial security tool that deflects account takeover attempts if thieves have already obtained someone's account credentials.A one-time passcode may be sent over SMS, or the safer way is to use an authenticator app, such as Authy, Cisco's Duo or Google Authenticator, to generate the code.Two-step verification is the most common security tool...