April 2025
Beginner
432 pages
11h 36m
English
Content preview from Cybersecurity For Dummies, 3rd Edition
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Chapter 8
Passwords
IN THIS CHAPTER
Selecting passwords
Discovering how often you need to change passwords — or not
Storing passwords
Using alternatives to passwords
Most people alive today are familiar with the concept of passwords and with the use of passwords in the realm of cybersecurity. Yet, there are so many misconceptions about passwords, and misinformation about passwords has spread like wildfire, often leading to people undermining their own security with poor password practices, sometimes even done in the name of improving cybersecurity. As you will soon see, much of the security advice that people commonly hear about passwords is incorrect!
In this chapter, you discover some best practices vis-à-vis passwords. These practices should help you both maximize your own security and maintain reasonable ease of use.
Passwords: The Primary Form of Authentication
Password authentication refers to the process of verifying the identity of users (whether human or computer process) by asking users to supply a password — that is, a previously agreed-upon secret piece of information ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.