Common network threats, attacks and vulnerabilities

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Identify common threat actors, attack surfaces and vulnerability sources affecting wired, wireless, remote-access and internet-facing networks.
Differentiate common attack types, including malware, ransomware, social engineering, phishing, spoofing, on-path attacks, replay attacks, brute-force attacks, password attacks and denial-of-service or distributed denial-of-service attacks.

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Interpret reconnaissance and exploitation activity, including port scanning, banner grabbing, vulnerability scanning and enumeration, and distinguish these from normal administrative traffic.

Evaluate risks created by unpatched systems, default configurations, weak encryption, exposed services, misconfigurations and unsupported devices.

Recommend mitigations for common network threats by mapping attack scenarios to controls such as patching, segmentation, filtering, authentication hardening, monitoring and user awareness.

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