Then in your authenticator app, tap on Add Account (our screengrabs are from Authy, but most apps are broadly the same). Once you're in the section of your account where you can add a 2FA method, choose the option for an authenticator app (sometimes it specifies a particular vendor's app but you might find it will work anyway with another one). You can see which websites and services support 2FA on this website. Then go to any of your online accounts that supports 2FA and look in the settings for where to add 2FA, then choose the option to use an authenticator app. How do I set up an authenticator app?ĭownload the app of your choice to your iOS or Android device and install it on to your phone. They all do more or less the same thing, and we'd recommend choosing one from a big, familiar name. We like Authy for reasons we'll discuss shortly. Google and Microsoft both have their own apps, as does security company Sophos game company Blizzard Okta, a provider of enterprise authentication technologies password manager LastPass - there are many to choose from. There are lots of authenticator apps to choose from in the Google and Apple app stores. The authenticator app generates a code that you then type in to confirm that it's you signing in Sounds great. If the key in the access code matches the one the website holds for you, it knows the right person is trying to sign in. The app generates that code by combining the key the website gave you when you first set it up with the current time. Then when you log in again to that website, it asks you to check your app for a code which it displays for a short time, usually 30 seconds. You scan the code and it saves to the app on your phone When you scan that with the app, the key is then saved to your phone.Ī website generates a key which it shows you as a QR code. The site usually shows you that key in the form of a QR code. When you set up an authenticator app with a website, that site generates a secret key - a random collection of numbers and symbols - which you then save to the app. Tech tips you can trust - get our free Tech newsletter for advice, news, deals and stuff the manuals don’t tell you You can read more about 2FA and why it's a good thing here. 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? Open the app on your mobile device, then enter the code in Heroku.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.After entering your email and password, you are prompted to enter the code generated by your app.To log in using a third-party authenticator app: MFA Verification with an Authenticator App In Heroku, enter the QR code generated by the app and click ‘Connect` to complete setup.if you have trouble scanning the QR code, use the alternative option to enter a setup key. Launch the mobile app on your device, choose the option for adding a new account, and scan the QR code.Choose Add One Time Password Generator option on the next page.In Heroku, go to Account Settings and select Setup Multi-Factor Authentication (or Manage Multi-Factor Authentication if you have already enabled other verification methods).Download and install the authenticator app on your mobile device.To register a TOTP authenticator app as an MFA verification method: Registering a Third-Party Authenticator App Options include Google Authenticator, Microsoft Authenticator, and Authy. There are a wide variety of apps to choose from, including free versions. Heroku supports the use of third-party authenticator apps that generate temporary codes based on the OATH time-based one-time password (TOTP) algorithm (RFC 6238) as an MFA verification method. MFA Verification with an Authenticator App.Registering a Third-Party Authenticator App.
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