I'm not guessing, but without clear references I think newbie are just plagiarizing this guide.
Rather, it is the work of ChatGPT. Pay attention to the writing style, always a heading, a colon, and a definition. There are already thousands of examples of the fact that AI very often gives wrong answers, and relying on it is a double waste of time. To believe in these answers, you need to double-check everything yourself.
3. Use two-factor authentication: Two-factor authentication adds an extra layer of security to your account by requiring a code in addition to your password to access your account. Such as: Authy, Google Authenticator
https://www.zetasky.com/blog/did-you-know-that-90-of-cyberattacks-start-with-a-phishing-email-learn-how-to-spot-and-avoid-them-in-our-latest-blog-post/