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What is two-factor authentication & why do I need it?

What you need to know about two-factor authentication and adding an extra layer of security to your online accounts.

By ATB Financial 23 February 2022 2 min read

True or false: as long as you keep your username and password secure and confidential, your online account is safe from cyber attacks. The short answer? Both.

Usernames and passwords can be secure, but reused or weak usernames and passwords, shared login credentials, cyber security scams and information leaks from data breaches can compromise their safety.

Short and simple usernames and passwords can be guessed and tested by bad actors and technology within seconds, and phishing scams looking to steal your credentials are more sophisticated than ever.

The good news is that there’s an extra layer of security you can add to protect your accounts and reduce the risk of unauthorized access to your data and savings. That’s where two-factor authentication (2FA) comes in.

 

What is two-factor authentication?

Two-factor authentication is a form of multi-factor authentication and uses a combination of two or more of the below credential types below to authenticate a user and allow access to your account.

Something you know:

  • Password
  • Security question

Something you have:

  • An authentication app
  • SMS or a call to your phone
  • Security dongles or tokens

Something you are:

  • Fingerprint
  • Retina scan
  • Facial recognition


Two-factor authentication is much more secure than challenge questions or a unique password on its own—that’s great news for you! No wonder financial institutions (FI) across Canada have made two-factor authentication mandatory for account access and moving money. It’s becoming so standard that any FI not making the switch is announcing itself as a target for cyber attack.

Just keep in mind that, like any security measures that involve human interaction, 2FA isn’t perfect and can be compromised. ATB or any other established company would never ask you to provide your two-factor authentication code over the phone. If someone is asking you for this, claiming to be from ATB or another company, hang up and call that organization directly to report the suspicious activity.

 

Is two-factor authentication inconvenient?

While 2FA is incredibly effective, the issue that often gets brought up is convenience. Two-factor authentication takes extra time and effort, something that no one wants in their already busy lives. It’s part of the reason it’s taking so long for companies to add 2FA to their login process—despite how effective it is compared to security questions. 

True, two-factor authentication does mean an extra step to access your online accounts. But in time, it’ll become second nature. Depending on the 2FA you use, it can be as easy as unlocking your phone and entering a code to confirm your login. The few extra seconds are well worth keeping your hard earned money, identity and other important information safe.

 

At ATB, we want to make sure your accounts are as safe as possible. That’s why adding 2FA to your digital banking is a requirement starting in March 2022. It’s one small step that can have a big impact on account security and prevent criminal activity.

Activate 2FA today (in under 5 minutes).

We’re making 2FA mandatory for clients so their money and identity stay safe. Don’t wait—up your security now!

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