Secure your network with this OSI model reference. Below, you'll find links to all the tips in our "OSI -- securing the stack" series by security expert and author Michael Gregg, based on his book, Hack the Stack.

 

 

The mythical Layer 8: People
Layer 8 -- Social engineering and security policy

Layer 7: The application layer
Layer 7 -- Applications

Layer 6: The presentation layer
Layer 6 -- Encryption

Layer 5: The session layer
Layer 5 -- Session hijacking

Layer 4: The transport layer
Layer 4 -- Fingerprinting

Layer 3: The network layer
Layer 3 -- Understanding the role of ICMP

Layer 2: The data-link layer
Layer 2 -- Understanding the role of ARP

Layer 1: The physical layer
Layer 1 -- Physical security threats

Michael Gregg
 

About the author:
Michael Gregg has been involved in IT and network security for more than 15 years. He is the founder and CTO of Superior Solutions Inc., a risk assessment and security consulting firm. He has developed high-level security classes and written six books; the most recent is Hack the Stack: The Eight Layers of an Insecure Network.


About the book:

 

Hack the Stack was written for those who seek to better understand and to gain a deeper knowledge of how TCP/IP systems really work. Such knowledge enables security professionals to make networks more secure.

 Read Chapter 1, Extending OSI to Network Security, in this PDF.

 

Learn more: OSI model illustrated

 


This was first published in May 2007

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