02. Get the Foundation
ND545 C02 L02 A02 Big Picture V2
Big Picture Summary
It doesn't matter how fast a car is if there aren't any roads you have nowhere drive it.
The same goes for networks. A secure network is the most fundamental layer in security. It is your organization's link to the outside world and that link must be controlled or the rest of your security program is operating at a major disadvantage.
Key Terms
Firewall: is a network device that monitors and controls incoming and outgoing traffic.
Intrusion Detection System: is a device or application that monitors traffic for malicious activity or policy violations.
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