October 2020
Intermediate to advanced
481 pages
17h 35m
English
Content preview from Network Security, Firewalls, and VPNs, 3rd Edition
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Risk Assessment and Management
How can your organization determine how many firewalls to deploy and where to deploy them? In most cases, this requires a process of risk assessment and risk management. Risk assessment involves examining values, threat levels, likelihoods, and total cost of compromise versus the value of the resource and the cost of the protection. Many other factors affect risk assessment, but this essential business and security process is as follows:
- Determine the overall value of the resource or asset. Known as the asset value (AV), this calculation should include both tangible and intangible costs and value.
- Determine the threats that face that asset. For each threat, calculate the exposure factor (EF), or the amount of ...
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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.