Network Security
End-to-end protection for corporate networks. From firewalls and segmentation to NAC and IDS/IPS, from NDR and DDoS protection to Zero Trust architecture — a 12-part guide series prepared by our expert team.

What Is Network Security? Cyber Security in Corporate Networks
What is network security? A corporate guide reaching from firewall and NGFW to segmentation, NAC and IDS/IPS, NDR, Zero Trust and DDoS protection.

What Are Firewall and NGFW? Corporate Network Security and Firewall Hardening
What are firewall and NGFW? A guide to firewall architecture, rule review, TLS inspection, hardening and firewall management in corporate networks.

What Is Network Segmentation? VLAN, Micro-Segmentation and Lateral Movement
What is network segmentation? A guide to limiting lateral movement with VLANs, security zones, micro-segmentation and an access matrix.

What Is NAC? Network Access Control, 802.1X and Unauthorised Device Access
What is NAC? A guide to blocking unauthorized device access with 802.1X, RADIUS, EAP-TLS, device profiling and quarantine VLANs.

What Are IDS and IPS? Network Intrusion Detection and Prevention Systems
What are IDS and IPS? A guide to attack detection with signature and anomaly detection, inline IPS, tuning, false positives and evasion techniques.

VPN, ZTNA and Secure Remote Access: How Is Secure Remote Access Designed?
VPN, ZTNA and secure remote access: how to design a remote access architecture with MFA, device posture, least privilege, PAM and SASE.

Wireless Network Security: Wi-Fi Security, WPA3, Rogue AP and Evil Twin Risks
Wireless network security: how to protect corporate Wi-Fi against rogue AP and Evil Twin risks with WPA3, 802.1X and EAP-TLS.

What Are Network Monitoring and Network Visibility? Traffic, NetFlow and Packet Analysis
What are network monitoring and network visibility? A guide to network visibility with NetFlow, IPFIX, PCAP, SPAN/TAP and DNS telemetry.

What Is NDR? Detecting Lateral Movement and Anomalies With Network Detection and Response
What is NDR? A guide to detecting lateral movement, beaconing, C2 and data exfiltration behaviour with Network Detection and Response.

What Is a DDoS Attack? DDoS Protection, Mitigation and Network Resilience
What is a DDoS attack? A guide to scrubbing, CDN, WAF and network resilience against volumetric, protocol and Layer 7 attacks.

DNS, DHCP, Switch and Router Security: Network Infrastructure Hardening
DNS, DHCP, switch and router security: hardening network infrastructure with DHCP Snooping, DAI, port security, SNMPv3 and AAA.

Corporate Network Security Architecture: Zero Trust, NGFW, NAC, NDR, SIEM and SOC
Corporate network security architecture: a guide to building Zero Trust, NGFW, NAC, NDR, SIEM and SOC layers into one integrated architecture.
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