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Table Of Contents
CompTIA CySA+ Study Guide: Exam CS0-002
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Network security tools help organizations build strong network perimeters, detect and block potential network attacks, and monitor network traffic for signs of suspicious or problematic activity. Firewalls, IDS, IPS, HIPS, and web proxy systems are primarily used as preventive tools, whereas packet capture and network command-line tools are often used for analytical and collective purposes. In some cases, packet capture and command-line tools are also used as part of exploit toolkits, where they can provide useful insights into network traffic and network-connected systems.
Firewalls are the first line of defense from a network security perspective. In Chapter 1, “Defending Against Cybersecurity Threats,” you learned the role that firewalls play in building strong network perimeters and segmenting networks of varying security levels.
Cybersecurity analysts must know how to design and implement the rules that govern firewall activity. This...
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