Network+ N10-009 · Domain 04
Domain 04
Network Security
Firewalls, IDS/IPS, VPNs, AAA, network hardening, threats, and security concepts.
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8Total Lessons
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8Live Now
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LEARNING PATH
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01
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Lesson 4.1.1 — CIA Triad, Risk Terminology & Encryption (data in transit/at rest, risk/vulnerability/exploit/threat)
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02
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Lesson 4.1.2 — Certificates & PKI (public key infrastructure, self-signed certs)
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03
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Lesson 4.1.3 — Authentication, Authorization & Identity Management (MFA, SSO, RADIUS, LDAP, SAML, TACACS+, RBAC, least privilege, time-based auth, geofencing)
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04
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Lesson 4.1.4 — Physical Security, Deception Technology & Segmentation Enforcement (cameras/locks, honeypots/honeynets, IoT/IIoT/SCADA/ICS/OT, guest/BYOD, PCI DSS/GDPR/data locality)
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05
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Lesson 4.2.1 — Network-Based Attacks (DoS/DDoS, VLAN hopping, MAC flooding, ARP poisoning/spoofing, DNS poisoning/spoofing, on-path attacks)
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06
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Lesson 4.2.2 — Rogue Devices, Evil Twin & Social Engineering (rogue DHCP/AP, evil twin, phishing, dumpster diving, shoulder surfing, tailgating, malware)
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07
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Lesson 4.3.1 — Device Hardening & Network Access Control (disabling unused ports/services, default password changes, port security, 802.1X, MAC filtering, key management)
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08
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Lesson 4.3.2 — Security Rules & Zones (ACLs, URL/content filtering, trusted vs. untrusted zones, screened subnet/DMZ)
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