5 years ago
Don't run your 2FA authenticator app on these smartphones
Don't use a mobile authenticator app on an old smartphone, because the app is only as secure as the operating system in which it's running, two security researchers said at the RSA Conference here earlier this week. Aaron Turner and Georgia Weidman emphasized that using authenticator apps, such as Authy or Google Authenticator, in two-factor authentication was better than using SMS-based 2FA. But, they said, an authenticator app is useless for security if the underlying mobile OS is out-of-date or the mobile device is otherwise insecure.
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