You can use this page to email Liviu Dumitru about The need for 2FA - Two Factor Authentication.
About the Book
The usual ways your online accounts get compromised are by falling a victim of a phishing scheme or if your device gets infected by a malware script.
Protecting users’ accounts and their sensitive information only with a password can be a compromise. As a developer, you should consider protecting the authentication sections with a second layer of security.
I’m sure that 2FA term is familiar to you. Using the service Secure-2FA.com for free or installing the GitHub repository github.com/helpliviu/secure-2fa in your own IT infrastructure, you can quickly realize a 2FA setup.