CCNA Cybersecurity: Essential Security Concepts Explained

Welcome to Domain 1 in Cisco’s CCNA Cybersecurity (Cybersecurity Associate until February 3, 2026) Series! Join Kyle Winters, Cisco Technical Advocate, as he breaks down Domain 1: Security Concepts—covering 20% of the CCNA Cybersecurity exam blueprint. Whether you’re new to cybersecurity or brushing up your skills, this video will help you study the foundational principles, from the CIA triad to detection methods and key terminology. Learn how to approach scenario questions, understand access control models, and get practical study tips to boost your exam readiness.

Download the CCNA Cybersecurity (Cybersecurity Associate until February 3, 2026) Exam Blueprint: https://learningnetwork.cisco.com/s/c...

Join CCNA Cybersecurity Prep: http://cs.co/9003AodHc

Chapters
00:37 – Why Domain 1 Matters in the CCNA Cybersecurity Exam
01:09 – The CIA Triad: Confidentiality, Integrity, Availability
01:48 – Security Deployments: Network, Endpoint, and Application-Based
02:25 – Agentless vs. Agent-Based Protection
02:50 – Modern Security Platforms: SIEM & SOAR
03:20 – Threat Intelligence, Threat Hunting & Key Terminology
03:58 – Risk, Threat, Vulnerability, and Exploit: Know the Difference
04:43 – Defense in Depth: Layered Security Explained
05:09 – Access Control Models & AAA
05:40 – CVSS: Understanding Vulnerability Scoring
06:13 – Data Visibility & Detection Challenges
06:25 – Using the Five-Tuple for Traffic Analysis
06:38 – Comparing Detection Types: Rule-Based, Behavioral, Statistical
07:17 – What’s Next: Preview of Domain 2 Security Monitoring

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