Two-factor authentication
Stanislav, Mark, author.
Ely, Cambridgeshire, United Kingdom : It Governance Publishing, 2015.

Public-key cryptography : theory and practice
Das, Abhijit, 1968-
Upper Saddle River, N.J. : Pearson Education, ©2009.

Enterprise Single Sign-On design guide : using IBM Security Access Manager for Enterprise Single Sig

Poughkeepsie, N.Y. : IBM Corp., International Technical Support Organization, 2012.

Essential computer security : everyone's guide to e-mail, Internet, and wireless security
Bradley, Tony, 1969- author.
Rockland, MA : Syngress Publishing, [2006]

Password & internet addresses journal for dummies
Williams, Ryan C.
Hoboken, N.J. : Wiley, ©2014.

Perfect passwords : selection, protection, authentication
Burnett, Mark.
Rockland, Mass. : Syngress, 2006.

Take control of 1password
Kissell, Joe, author.
San Diego, CA : Alt concepts Inc., 2018.

Take Control of 1Password
Kissell, Joe, author.
[Place of publication not identified] : Take Control Books, 2023.

Take control of your Apple ID
Fleishman, Glenn, author.
San Diego, CA : Alt concepts Inc., [2018]

Take control of your Apple ID
Fleishman, Glenn, author.
[Place of publication not identified] : Take Control Books, [2022]