Cisco Network Security: Core Security Concepts

Review the essential terms and concepts you need to know to effectively secure Cisco networks.

Introduction

• Defending the network (HIYA)
• What you need to know
• Preparing for the CCNA exam

1. Security Principles

• Secure network overview
• Security services
• Describing SIEM technology
• Learning security terms
• Staying informed
• Network security domains
• Zone defense
• Challenge: Create a security policy
• Solution: Create a security policy

2. Common Security Threats

• Reviewing security services
• Attacking the network
• Social engineering
• Identify malware
• Data loss prevention
• Challenge: Understanding botnets
• Solution: Understanding botnets

3. Cryptography

• Cryptographic concepts
• Symmetric encryption
• Asymmetric encryption
• Protecting integrity using a hash function
• Key exchange
• Public key infrastructure

4. Describe Network Topologies

• Campus area network
• Cloud and wide area network
• Data center
• Small office home office (SOHO)
• Securing a virtual environment
• Challenge: Cost of a data breach
• Solution: Cost of a data breach

Conclusion

• Next steps