Passcodes from SMS or authenticator apps are better than passwords alone, but hackers can exploit their weaknesses
"You've probably heard this security advice: protect your accounts by using two-factor authentication,"
opines Stephen Shankland
"You'll make life hard for hackers, so the reasoning goes, if you pair a password with a code sent by text message or generated by an app like Google Authenticator.
Here's the problem: It can be easily bypassed. Just ask Twitter Chief Executive Jack Dorsey. Hackers gained access to Dorsey's Twitter account using a SIM swap attack that involves fooling a carrier into switching mobile service to a new phone...."
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