The Absolute Beginners Guide to Cybersecurity 2023 - Part 4 - Two-Factor Authentications

The video tutorial explains two-factor authentication (2FA), its variations, and its importance in enhancing security. It addresses criticisms, particularly of SMS-based 2FA, and demonstrates practical examples of setting up 2FA on Google and Bank of America accounts. The tutorial also covers popular authenticator apps like Google Authenticator and LastPass, as well as hardware authenticators like UB key, emphasizing their role in securing online accounts.

What is the primary purpose of two-factor authentication?

• To eliminate the need for usernames

• To make logging in faster

• To add an extra layer of security

• To replace passwords entirely

Which of the following is a common criticism of SMS-based 2FA?

• It requires special hardware

• It is too expensive

• It can be easily bypassed by phishing

• It is not supported by most websites

What is a backup option in the context of 2FA?

• A secondary password

• A second phone number or contact method

• A security question

• A backup email address

Which app is mentioned as a popular choice for setting up 2FA?

• Microsoft Authenticator

• Google Authenticator

• Authy

• Duo Mobile

What is a UB key used for?

• Encrypting emails

• Authenticating logins via USB

• Storing passwords

• Backing up data

How does Google Authenticator enhance security?

• By storing passwords securely

• By providing a secure email service

• By generating time-based codes for login

• By encrypting all internet traffic

What is required to use LastPass Authenticator?

• A paid subscription

• A fingerprint scanner

• A smartphone with NFC

• A LastPass account and browser add-on