5/28/2023 0 Comments Microsoft mfaNot only for the reasons above, but also because the public phone networks are unencrypted and can be compromised with commonly available tools and know-how. Microsoft called out both of these methods as far less secure than using an authenticator app. These two methods are typically the easiest to use because there is no special hardware or software required and most people already know how to use text. In some cases, an inattentive user may be fooled to allow a hacker to log in. Īnother option is to receive a phone call that prompts you to allow the login. All they have to do is convince one person who works for your mobile carrier that they are you and ask to transfer your SIM to a new phone. And they never need contact with you or your phone to do it. The main problem with this method is that cyber criminals can steal your phone number and receive your texts with a method called SIM jacking. One option is to have the OTP sent to your phone via text (SMS) message when you log in. Rather, users should use more secure methods such as an authenticator app whenever possible. The Microsoft MFA warning encourages people not to rely on text (SMS) or voice calls for OTPs because of security weaknesses in the phone system. Those methods typically include OTPs sent via text or voice call or an OTP access through an authenticator app such as Authy. There are several different ways that the OTP can be delivered to you during a login and many if not most sites provide the option to choose the method that works best for you. With MFA enforced, hackers and cyber criminals can steal or guess your passwords but will be blocked from accessing your accounts unless they can supply the correct OTP within the time limit. MFA generally requires that you enter a one-time password (OTP) that changes on a preset frequency in addition to your password to log in. Securing your account with only a password is one-factor authentication, which puts you at greater risk, even when you use a strong, unique password. The zip code is something you know and the credit card is something you have. When you use your credit card at a retail store or at a gas station and you are required to enter your zip code, that’s an example of two-factor authentication (2FA). Multi-factor authentication simply means that to log in to your account you need at least two factors: something you know (like a password) and something you possess (like your smartphone).
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