You need both your PIN (something you know) and your bank card (something you have) to get into the account. This approach makes your accounts much more secure.ĪTMs use a form of 2FA. That gives you something non-physical (the password) and something physical (the smartphone). Most of the time, 2FA systems combine something you know with one of the other two factors. Something you are, like your fingerprint.Something you have, like your smartphone.2FA blocks access to an account unless you can produce two out of three of the following factors (pieces of evidence): This is where two-factor authentication (2FA) comes into play.Īs the name implies, two-factor authentication means you can’t sign into your account with just a password. While we can’t force big companies to stop being careless with the personal data they extract from us, we can improve security on our end. It is clear that things need to change and we all need to up our security game. Ransomware attacks are aimed at everyone from individual users to large corporations and even cities.Phishing attacks that try to trick you into giving some creep access to your data remain a major threat.Breaches of corporate databases containing our personal information keep increasing (see the Compilation of Many Breaches COMB).Many people are victimized but don’t even know if for months due to slow or non-existent reporting by corporations and other organizations. We all know people who have had their data stolen from one account or another.
But first, let us set the stage for this discussion. Specifics can vary depending on the app, your mobile operating system, and whether you are using Twitter on desktop or mobile.In this guide we’re going to introduce you to two-factor authentication (2FA), and show you how to set it up for many of the most popular online services. Here are some basics on how to set up an authenticator app. Hackers can only access a user’s authenticator app codes if they have physical access to a victim’s phone. Anyone who downloads one of those and syncs it to their account will see it continuously generate temporary 2FA codes.Ĭybersecurity experts argue that an authenticator app is superior to text message authentication because some dedicated hackers can intercept a victim’s incoming text messages through a practice called SIM swapping.
Several trustworthy tech and security companies, including Twilio’s Authy and Google, make free versions. People who pay for the company’s subscription service could still use the method.īut it’s still free for anyone to use an even better form of two-factor authentication: the kind that comes from an authenticator app on their phone. Last month, Twitter announced its users would no longer be able to use text message two-factor authentication, or SMS 2FA, where a user gets their one-time code as a text message, for free.
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