A widespread Microsoft Outlook service outage affected millions of users across multiple countries, including the United States, India, the United Kingdom, Germany, Canada, and Australia. The ...

Microsoft is working to fix a DNS misconfiguration that is causing one-time passcode (OTP) message delivery failures in Exchange Online for some users.

The investigation revealed that these messages, containing sensitive information such as phone numbers, account IDs, and 2FA codes, were visible to Fink and its partner organizations. The exposure ...

When companies generate messages with one of these so-called two-factor authentication codes, they almost never send them directly. Instead they outsource the job, passing the codes through a thicket ...

A Message Authentication Code (MAC) is a short piece of information used to confirm the integrity and authenticity of a message. It ensures that the data has not been altered and verifies that it ...

It’s unfortunately a known weakness in how text messaging works. Using a mobile app for two-factor authentication codes is much more secure than via SMS/text message. Alaina Yee / Foundry ...

Google is making a major change to its authentication process, replacing SMS verification codes with QR codes for Gmail logins.

A big change is coming to the way Google verifies access to your Gmail account. Instead of getting a text message with a two-factor authentication code, you’ll soon need to scan a QR code, or use a ...

Codes sent via SMS messages will be replaced by QR codes sent to user's phones to verify Gmail accounts.

Google is shifting away from using SMS-based two-factor authentication (2FA) codes for Gmail and replacing them with QR codes.