Posts By Timothy

CCNA Security - 640-554 Study Notes Network Security involves the following: Confidentiality - Encryption Integrity - Hashing Availability - High reliability, fail over Risk Management Assets are something valuable to a company Vulnerabilities is an exploitable weakness in a system or its design - A vulnerability that is not yet discovered is called a latent threat, whereas a discovered vulnerability is…

Below is a sort of 'cheat sheet' on CCP in relation to the paths to take to get to certain areas. This is a must-know for the 640-554 exam. Enabling NAT: Configure -> Router -> NAT Verifying Current Access Lists Configure -> Router -> ACL -> ACL Summary Creating an access list Configure -> Router -> ACL -> ACL Editor…

Securing layer 2 is an important fundamental aspect which must be covered as there are many different possible attack vectors in the layer 2 realm. Below I'll be detailing some of the more common attack vectors and how to mitigate them. Port Security Attack type: CAM/MAC table overflow Mitigation method: Port Security CAM overflow attacks are caused by a client…