

When 2FA is enabled it makes any account that little bit safer on the login-side and works by using one one ‘static’ password and one variable one that changes with each login and is sent to either your phone or any device of your choosing. This is called 2FA, or two-factor-authentication. There is another feature in TeamViewer that can be enabled. If the credentials were stolen, they are now rendered useless. This means that every TeamViewer User account needs to enter a new password.

The official answer from TeamViewer is ‘no’. But does this mean TeamViewer was hacked? Users of TeamViewer saw the TeamViewer-box pop-up, saw their mouse move and even noticed payments were completed through eBay or PayPal accounts, without the consent of the user behind the keyboard. The hack means that everyone who has the solution installed, needs to either change their password, access-code, and needs to see if unwanted payments have been done.

A TeamViewer spokesman speaking with Arstechnica said that ‘the number of takeovers was “significant,” but he continued to maintain that the compromises are the result of user passwords that were compromised through a cluster of recently exposed megabreaches.’ Some users, however, also reported breaches even when 2FA was used, but TeamViewer is said to have investigated these instances when log files were provided and found no evidence of 2FA being breached. In the past days there were news posts saying the widely used remote control solution TeamViewer had been breached.
