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This guide details the implementation of Microsoft's Enhanced Security Admin Environment (ESAE) tiered model for Active Directory. It covers best practices for establishing Tier 0/1/2 separation, deploying Privileged Access Workstations (PAWs), and designing robust access control policies. Ideal for security architects and compliance officers seeking to meet stringent standards like NIST 800-53.

AWS Verified Access is a Zero Trust Network Access (ZTNA) service that provides secure, VPN-less connectivity to corporate applications hosted in AWS. It enforces granular, conditional access control using the Cedar policy language, verifying both user identity and device security posture in real-time before granting access to specific resources. Ideal for modernizing security architecture and meeting strict compliance requirements.

This guide outlines how to implement Google Cloud Identity-Aware Proxy (IAP) to enforce zero-trust, identity-based access control across various Google Cloud services (App Engine, Cloud Run, GKE, Compute Engine). It details configuring per-request authentication, context-aware policies (like device posture and location), and programmatic access management for highly secure internal applications.

This comprehensive guide details how to implement robust security hardening measures for LDAP directory services. It specifically addresses critical vulnerabilities like LDAP injection, anonymous binding, and channel binding bypass. Key features include mandatory LDAPS enforcement, granular access control list configuration, and integrating advanced monitoring to ensure the infrastructure meets high compliance standards (e.g., NIST 800-53). Essential for security architects and operations teams.

This guide details the process of configuring microsegmentation policies to enforce least-privilege access between workloads. It covers the entire workflow, from application dependency mapping and discovery (Phase 1) to defining label-based, default-deny security zones (Phase 2). It is crucial for preventing lateral movement in highly secure, zero-trust architectures using tools like VMware NSX, Illumio, and Calico.

A comprehensive guide for deploying Cisco Duo Multi-Factor Authentication across diverse enterprise access points, including VPN, RDP, SSH, and web applications. This skill details advanced security practices, covering adaptive access policies, phishing-resistant authentication (WebAuthn/FIDO2), device health checks, and establishing robust identity and access management controls aligned with industry compliance standards.

This comprehensive guide details the architecture and implementation of VLAN-based network segmentation on managed switches. It teaches professionals how to isolate different network zones (e.g., corporate, DMZ, IoT) to enforce strong access controls, reduce the attack surface, and meet compliance standards like PCI-DSS. The workflow includes designing the VLAN plan, configuring trunking, hardening switches against VLAN hopping, and setting up inter-VLAN routing with ACLs.

A comprehensive guide to configuring secure OAuth 2.0 authorization flows, covering best practices for Authorization Code with PKCE, Client Credentials, and Device Authorization Grant. Learn how to implement mandatory security controls, manage token lifecycles, and align with OAuth 2.1 standards to build robust identity and access management systems.

Provides a comprehensive guide to configuring pfSense firewall rules, NAT policies, and VPN tunnels. It details best practices for enforcing network segmentation (DMZ, LAN, Guest, IOT), controlling traffic flow, and protecting internal network zones in SMB and enterprise environments. Covers VLAN setup, DHCP/DNS management, and granular access control.

This skill provides comprehensive guidance and PowerShell scripts for hardening Windows endpoints using Microsoft Defender for Endpoint (MDE). It covers advanced features like Attack Surface Reduction (ASR) rules to block common attack techniques, Controlled Folder Access for ransomware protection, and Network Protection. Use this for deploying enterprise-grade, compliance-required security policies via Intune or Group Policy.

This skill guides the advanced configuration of Windows Event Logging using Group Policy Objects (GPO) and advanced audit policies. It enables high-fidelity logging for critical security events, including process creation (Event 4688), logon/logoff activities, and object access. The process covers optimizing log sizes and implementing Windows Event Forwarding (WEF) to centralize data into SIEM platforms for effective threat detection and forensic investigation.

This guide details the process of implementing Zscaler Private Access (ZPA) to replace legacy VPNs with a modern Zero Trust Network Access (ZTNA) framework. It covers deploying App Connectors, defining application segments, and establishing granular access policies based on user identity, organizational user groups, and detailed device posture checks (e.g., compliance, anti-malware status).