Join Mike Chapple for an in-depth discussion in this video Defense in depth, part of CompTIA Security+ (SY0-401) Cert Prep: Network Security.
- Defense in Depth is one of the core principles…of information security, and it certainly applies…in the case of network security.…The Defense in Depth principle states that…organizations should use multiple, overlapping security…controls to achieve the same control objective.…This is a layered approach to security…and protects against the failure…of any single security control.…If one control fails, there is still another control…designed to achieve the same security objective…standing in its place.…
When designing a secure network, you should definitely…follow this Defense in Depth principle.…Let's take a look at how we can apply…the Defense in Depth layered security approach…to three different network security control objectives.…First, all network security professionals…want to protect against eavesdropping attacks.…Unauthorized individuals should never have access…to confidential communications.…How might we implement this?…Encryption is always a strong first defense…against eavesdropping attacks.…
We can go a step further and implement…
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- Working with the TCP/IP suite
- Securing switches and routers
- Configuring firewalls
- Setting up virtual private networks (VPNs)
- Detecting and preventing network intrusions
- Implementing unified threat management
- Using public and private network addressing effectively
- Segmenting networks
- Virtualization and cloud computing
- Managing secure networks
Skill Level Intermediate
1. TCP/IP Suite
2. Network Security Devices
3. Designing Secure Networks
4. Cloud Computing and Virtualization
5. Managing Secure Networks
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