February 2019
Intermediate to advanced
134 pages
3h 36m
English
Content preview from Practical SecurityBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Password Policy
It’s a good idea to set a Windows policy that requires a long password for domain accounts. There are two main reasons for this. The first is the math of cracking passwords given an NTLM password hash. In contrast to the recommended password hashing algorithms that we saw in Password Storage Done Right (bcrypt, scrypt, Argon2, and PBKDF2), the NTLM password hashing algorithm does not have a work factor associated with it. This means that an attacker who gets access to an NTLM password hash will be able to attempt to brute force it with a huge number of attempts per second. The NTLM algorithm is not going away any time soon. So our only other defense against this attack is to use a longer password.
Another benefit from longer ...
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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.