Skill UI

A comprehensive guide for conducting authorized wireless network penetration tests. This skill assesses the overall security posture of WiFi infrastructure, covering weak encryption protocols, captive portal bypasses, Evil Twin attacks, WPA2/WPA3 handshake capture, and rogue access point detection. It evaluates wireless authentication methods, network segmentation, and the effectiveness of WIDS/WIPS systems.

This skill provides a comprehensive guide to implementing microsegmentation policies. It details how to move beyond traditional network boundaries (VLANs) to enforce least-privilege access control between individual workloads using identity and application context. Essential for preventing lateral movement and establishing a robust zero-trust architecture aligned with industry compliance standards.

This guide details the robust process of implementing VLAN-based (802.1Q) network segmentation on managed switches. It is crucial for isolating critical zones—such as DMZ, servers, and IoT—to meet strict compliance standards (PCI-DSS, HIPAA) and significantly limiting the blast radius during a security incident by controlling lateral movement. Includes port hardening and ACL configuration.

A comprehensive guide to configuring pfSense firewalls for robust network security. This skill covers setting up complex network segmentation across multiple zones (DMZ, internal, guest, IoT), implementing granular firewall rules, configuring NAT for port forwarding, and establishing site-to-site or remote-access VPN tunnels using IPsec or OpenVPN. Ideal for network engineers deploying perimeter or internal firewalls.

This comprehensive guide provides a structured, multi-stage workflow for containing active security breaches. It details both short-term and long-term strategies, including network segmentation, endpoint isolation, credential revocation, and evidence preservation. Use this process during confirmed intrusions, ransomware attacks, or lateral movement events to effectively stop adversary activity and secure critical assets before eradication.

This guide teaches how to implement and audit Google Cloud Platform (GCP) VPC firewall rules using gcloud. It covers creating restrictive ingress and egress rules, enforcing network segmentation using tags and service accounts, and auditing for overly permissive settings. Ideal for compliance, zero-trust architectures, and responding to security findings.

This skill guides the implementation of fine-grained network security policies in Kubernetes using Calico CNI. It covers establishing a default-deny baseline, understanding policy ordering, and applying advanced rules like service-account-based selectors. Use it for hardening cluster security, enforcing zero-trust models, and managing network segmentation within containerized environments.

This guide details implementing microsegmentation using Akamai Guardicore Segmentation. It helps map application dependencies, visualize east-west traffic flows, and establish granular, least-privilege network policies across diverse environments (VMs, containers, bare metal, cloud). Essential for achieving zero-trust architecture and meeting compliance standards like PCI DSS or HIPAA by preventing lateral movement.

This guide details the deployment of Cisco Identity Services Engine (ISE) for comprehensive Network Access Control (NAC). It utilizes 802.1X authentication, MAC Authentication Bypass (MAB), and posture assessment to enforce security policies. Key features include integrating with Active Directory, assigning dynamic VLANs, and applying TrustSec Security Group Tags (SGTs) for advanced network segmentation in enterprise environments.

A comprehensive guide detailing how to implement portable Kubernetes NetworkPolicies to enforce zero-trust microsegmentation. Learn to apply default-deny rules, control ingress and egress traffic, and restrict lateral movement between pods and namespaces across various CNI platforms (Calico, Cilium). Ideal for establishing robust security posture and meeting compliance requirements.

This tool analyzes historical network traffic baselines to design secure and functional segmentation architectures for Operational Technology (OT) environments. It helps map flat Purdue-model networks into secure zones (VLANs) and automatically generates required firewall rules based on observed legitimate communication paths, adhering to standards like IEC 62443. Ideal for IT/OT convergence and risk mitigation.

This skill covers the comprehensive design and implementation of network segmentation using layered security controls. It details how to establish isolated security zones (e.g., DMZ, PCI CDE, Management) using VLANs, firewall zones, and granular ACLs. The techniques advance from traditional Layer 2 VLAN separation to modern Layer 7 microsegmentation, enforcing zero-trust principles and meeting strict compliance standards like PCI DSS and HIPAA.