CBI and TCC, RBC using RJ45 Ethernet connection, and the application of railway signal safety communication protocol, can prevent network penetration between systems.

Password cracking is a term used to describe the penetration of a network, system, or resource with or without the use of tools to unlock a resource that has been secured with a password.

Akamai monitors the Internet traffic using agents installed across all continents and reports the findings on several domains: security, network and web outages, Internet penetration.