Google offers a number of free services such as Gmail, Adsense and Google Docs that require a single Google account to access. Some users have experienced issues with ...

Many websites and apps rely on a weak form of two-factor authentication (2FA) that involves texting you a short number or code. These sites and apps might also offer to make an automated voice call ...

Forget passwords. If you want strong online security, you need to be using multi-factor authentication wherever you can. Here's how to get started. Eric has been writing about tech for 30+ years. He ...

The error message “We can’t send a code right now. Try again in a few minutes.” appears when Facebook temporarily blocks the ...

Have you ever received a text message or a phone call from someone asking you to verify your identity by sending them a code? If you have, you may have been targeted by the Google Voice verification ...

Riders say scammers posing as Uber drivers are asking for verification codes to hijack accounts, prompting Uber to warn users ...

Learn how the Google Voice verification code scam works, how to reclaim your number if you shared a code, and easy ways to ...

When you make credit card purchases online or over the phone, you'll often need the card's security code to complete the transaction. The security code helps to protect you from credit card fraud and ...

SMS two-factor authentication is no longer available on Twitter, unless you pay for Twitter Blue. Fortunately, if your an iPhone user, there's a better option anyway. With more than a decade of ...

Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to books covering a wide spectrum ranging from Apple devices and cameras to photo editing software and ...