02

Network Security

ICT Network Security (Network security and component security)

• Holistic information security (Security Fabric).
• Repeat basics of networks as reflected in information security (match between network drawing and the various tables in the equipment).
• Segmentation
• Segregation
• NAT
• Review common information security services and solutions. Review the basic concepts in network security - Perimeter, Zero Trust.

Introduction to Firewall

• Targeting based on network location.
• Basic concepts - constitution / rules, session.
• The principles of hardening communication and security equipment and practice in Fortigate systems - limiting management of selected interfaces, OOB, methods of automation and identity, turning off unnecessary services and protocols, changing defaults, Trusted hosts.

UTM - Information Security Engines

• Part 1: AV, Web Filtering, DNS Filtering, Geo Filtering, Cloud query, Containment, IOC.
• Part 2: IPS, Application Control, Identity based FW, Threat Intelligence, Strong authentication.

Additional Services - Fortigate Firewall , Sandbox

• A VPN for SSL vs users and websites. IPSEC,
• Xerox
• Encryption\Decryption
• Inspection methods
• Basic sniffing
• Credentials
• Sandox

Wireless Network Security, Mail Relay

• Security standards on wireless networks
• Known Tools and Attacks
• Principles for Building a Secure Wireless Network
• Wireless IPS
• Mail Relay - Reputation, Time of click, DKIM