![]() ![]() How does an authenticator app work?Īuthenticator apps generate a one-time code that you use to confirm that it's you logging in to a website or service they provide the second part of what's called two-factor authentication (2FA). An authenticator app doesn’t rely on your SIM card or the mobile networks. Less likely, but still possible, is what’s called a ‘man-in-the-middle’ attack that intercepts your SMS messages. ![]() The most likely is that someone convinces your mobile provider to send them a SIM card for your number, which would mean they could get all your codes and get into your accounts. SMSs are vulnerable to a couple of types of attack. Why is that safer than an SMS text message? We are fans of authenticator apps at Computing: these take over from SMS text messages the job of sending you a one-time code to confirm that it’s you logging in to an account by generating the code securely on your phone. ![]()
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