Multi-factor authentication (MFA) is one of the best ways to improve the security of your logins (even better is using single sign-on). 

What if I didn't receive an SMS MFA code?

Red Canary uses a highly reliable service provider to deliver SMS codes through carriers around the world. Almost all cases of messages not being delivered are the result of a carrier blocking certain messages. Check your phone or carrier's "unknown SMS" or "spam SMS" blocking settings.

What if my app MFA code is not accepted?

This is most often because the system time on your browser or mobile device is out of sync. Ensure your device has its system time set to “automatically update.” If you continue to have issues, restart your device.

You can view how many seconds your system clock is off by visiting www.time.gov and reviewing “Your clock is off by.” 

What if I requested an SMS MFA code but received a "Page not found" or "Code could not be sent" error?

Some combinations of browsers and ad-blocking extensions can cause certain HTTP POST requests to fail. 

If you click "Send an SMS code to <your number>" and receive a "Page Not Found" or "Code could not be sent" error, disable browser extensions and ensure you’re using a supported browser.

What if I have a new MFA device?

Learn more about setting up a new multi-factor authentication device.