So we looked for authenticators that left this feature opt-in. Optional backups: The security researchers we spoke with said they don’t recommend backing up or syncing a two-factor authentication account because then your tokens are on the company’s servers, which could be compromised.Going with a reliable company helps guarantee continued support for new mobile operating systems and tech support if something goes wrong. Reliability: Pretty much anyone with an app developer license can make an authentication app, so when it came to security, we looked for apps that are open source or run by well-known companies like Google, Twilio, Cisco, or Microsoft. We also appreciate a search bar so you can find a specific app or website. Usability: An authenticator should make it easy to add new accounts, find existing accounts, and delete unneeded accounts.Availability on Windows and Mac is useful but isn’t a requirement. Platform compatibility: A good two-factor authentication app should work on both Android and iOS.You should send reports of phishing attempts to the FTC, but since most people don’t, it’s hard to know how often such phishing happens. The FBI does warn people about the risks of SIM swapping and phishing tools, but two-factor authentication is still effective in protecting accounts. Not much data is available about the specifics of phishing attempts like this, but the FBI’s Internet Crime Complaint Center received 25,344 reports of phishing in 2017 (PDF). Unlike a stolen password, two-factor authentication software tokens need to be grabbed in real time to be useful. Someone could email you a link to a fake Gmail login page saying your account needs an update, where you then log in with your username, password, and two-factor authentication token. It is still susceptible to advanced phishing attempts. But two-factor authentication isn’t perfect-no security tool is. Nevertheless, this one is worth trying out and should be a must-have for most users.Two-factor authentication can protect against more-basic phishing attempts, such as when a fake login page tries to steal your password. However, the push notification of passcodes often gets delayed and defeats the purpose somewhat. It's intuitive to use and registering an app is a hassle-free experience. The idea behind Duo Mobile is simple, make two-factor authentication easy and seamless for account logins, and it does a good job at it. One point of concern, though, is that the push notification suffers frequent delays, which can be a pain at times given the short window that applications give to input numbers and letters needed for verification. The next time you log in, simply refer to this app to get your code. Input this passcode on the app or service in question to complete the process and register your account. Click next, and it will generate a passcode for the next step. Once recognized, you can then set a name for that account to make it easier to manage and remember. Open the app and choose the Add Account option to scan it. To get started, enable two-factor authentication on your preferred app or online service, which usually involves scanning a QR code. It's the reason why two-factor authentication became popular, and Duo Mobile is an app that can help facilitate it. Not to mention, the security concerns that arise if you access an account from a public device. It can be hard to manage and keep track of every login you make. Nowadays, it's not uncommon for someone to have multiple accounts online for every platform or service.
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