![]() You can also use a password manager for MFA, as described below. The following apps have a good reputation among security experts, though individual experts have their personal favorites. (These are also referred to as time-based one-time passwords, or TOTP, because they change every 30 or 60 seconds.) When you need to log in to an account, you enter your password, then open the authentication app to get the code you need to enter for MFA. Then the app will generate and keep track of your tokens-the temporary codes for each account. You’ll typically have to scan a QR code with the camera on your phone. To set up multifactor authentication using an app, you download the app, then use a browser on your desktop or laptop computer to go to each of your online accounts. “There are a lot of ways that phone numbers end up being a very brittle part of the security ecosystem that go way beyond the very sharp end of the spear that is SIM swapping.”Īnd MFA based on text messaging is inaccessible if you don’t have a phone signal because, for instance, you’re traveling internationally. “The issues that come up more often are going to be you lose your job and your phone gets cut off, or you’re on a family plan and you have a conflict with a family member who is the administrator of the plan,” she says. “SIM swapping is obviously a risk,” says Leigh Honeywell, CEO and co-founder of Tall Poppy, a social venture that builds tools and services to help companies protect their employees from online harassment and abuse. Then they can intercept messages directed to that phone number. A determined attacker may persuade a phone company to redirect someone else’s phone number to a new SIM card on their own device in what’s called SIM swapping or SIM jacking. ![]() Unlike authentication apps, text messages rely on your phone number, which is more vulnerable to criminal attack. Probably the most common way to use MFA is to have the site send you a text message with a code that you enter into a pop-up box.īut many security experts say there’s a better option: switching to an authentication app, which uses an algorithm linked to your device to continually generate numerical codes that expire every 30 seconds. That way, if a hacker gets your password, they still won’t be able to access your account. When you turn on MFA, which is available for financial sites, social media sites, and many others, you need a second factor in addition to your password to log in. But many people who use multifactor authentication (MFA) might not be using it in the most secure way, according to security professionals. That’s why security experts recommend safeguarding your accounts with another layer of defense, namely multifactor authentication (aka two-factor authentication). If you have a QR code, make sure the QR code is visible on the screen and select the Scan QR Code button. ![]() You will be presented with a form to fill in the information into the application. Select the Yubikey picture on the top right. ![]() In a world riddled with data breaches, having a strong password isn’t always enough to keep your personal and financial information safe. Open Yubico Authenticator for Desktop and plug in your YubiKey. ![]()
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