If I clear my browser or use a different browser, do I need to authenticate? Yes. But a new IP address will not trigger a reauthentication. Related articles Does the authentication call or text come from the same number? Can I authenticate 2FA through my email address? How do I set up Two Factor authentication, 2FA? If I have a 3rd party data aggregator such as Mint.ca, Hard Bacon, or Fiserv, can I still link up my Qtrade account? Why do I receive multiple text/calls to authenticate 2FA, when I'm not logging in?