Also, if a cybercriminal launches a successful attack, they have access to your email accounts, and subsequently, the account that’s protected by this form of 2FA as well. One drawback to receiving a verification email is that it often goes to the user’s spam folder. This method requires an internet connection to receive the verification email. Often, the user gets a unique link in the email rather than a passcode that grants access to the account. 2FA via EmailĢFA via email functions the same way as 2FA via phone call or SMS the user receives an email with a verification code or One-Time Password (OTP). The phone call method is similar to SMS 2FA, except the user receives a phone call with the verification code provided via a computer voice rather than a text. While this type of cyberattack is less common than others, it does present a threat to SMS 2FA.
Recently, hackers have gained the ability to take over phone numbers by paying a company to reroute text messages. Problems only arise when the user loses their phone signal or has an issue with their sim card or phone. It’s incredibly convenient as the user doesn’t need to install an app on their phone. When the user logs on, they must enter a verification code into their web browser or app (usually six digits long) that arrives via text message.īecause most people have an SMS-capable mobile phone, this verification method is popular. This authentication method requires the user to provide their phone number when first setting up the account. Some applications let you choose which type of verification you prefer, while others employ only one type of verification beyond your password.
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