Two-factor authentication

If you're trying to log into Facebook and it's not sending a security code, there are several ways you can troubleshoot the platform and your device.

A hacker says they have obtained personal data from more than 1 billion TikTok users, but some, including the company, say the hacker is lying.

Two-factor authentication is a security measure that makes you pass two security tests before gaining access to your account or device.

Dropbox is secure thanks in part to its 256-bit AES encryption, but the service has been hacked in the past.

You can set up multi-factor authentication on Airbnb by including your phone number in your profile settings.

To enable two-step verification on Telegram, go to the app's Privacy and Security settings and follow its prompts.

Microsoft Authenticator is a two-factor authentication program that provides added security to your online accounts in the form of an app.

You can set up two-factor authentication on Apple devices to provide extra security for your personal account information.

You can enable two-factor authentication on Google to provide an added layer of security if, for example, your password is compromised.

Two-factor authentication on Facebook adds an extra level of security to your social media account by connecting it with another device.

Two-factor authentication on Instagram helps secure your account and information, and there are two ways to set it up.

You can set up Amazon two-factor authentication to keep your personal info, credit cards, and transactions secure if someone gets your password.

You can enable Skype two-factor authentication by turning the security feature on in your Microsoft Account settings.

Following a major breach, Nintendo is suggesting all Nintendo Switch owners set up two-factor authentication. Here's how to do it.

Got a Nintendo Switch console? Did you use your old Nintendo 3DS or Wii U login with it? Beware: Some Switch accounts are getting hacked.

Iowa's Democratic caucuses were struck with myriad tech issues, and the results have yet to be finalized.

Turning on two-factor authentication in "Fortnite" unlocks a free emote for "Battle Royale" and even more freebies for "Save the World."

The Motiv ring is a smart ring that tracks your activity, heart rate, calories burned, distance covered, and hours of sleep. And with the second-generation ring, you can now use it to stay more secure online.

The personal data exposed in the hacking attack Facebook revealed recently could be used for lots of malicious purposes, including accessing users' bank accounts.

Physical security keys for two-factor authentication are a reliable and secure way to ensure that you're the only person with access to your accounts.