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pfSense Firewall Rule Setup

configuring-pfsense-firewall-rules

mukul975/Anthropic-Cybersecurity-Skills

Configures pfSense firewall rules, NAT policies, VPN tunnels, and traffic shaping to enforce segmentation, limit inter-VLAN flows, and protect DMZ, internal, guest, and IoT zones in enterprise or SMB deployments.

Purdue Model Segmentation

implementing-purdue-model-network-segmentation

mukul975/Anthropic-Cybersecurity-Skills

Applies the Purdue Enterprise Reference Architecture to ICS/SCADA networks, mapping assets to hierarchical security zones, defining firewall/VLAN rules, and enforcing OT-to-IT DMZ controls so IEC 62443 requirements and defense-in-depth strategies are met.

OT Historian Hardening Guide

securing-historian-server-in-ot-environment

mukul975/Anthropic-Cybersecurity-Skills

Guides OT teams through securing PI, PHD, Proficy, or AVEVA historian servers by auditing network exposure, enforcing DMZ replication, tightening access controls, and preventing SQL injection or integrity drift in critical process data.

Secure OT Remote Access

securing-remote-access-to-ot-environment

mukul975/Anthropic-Cybersecurity-Skills

Guides the construction of secure remote connections to OT/ICS networks, covering DMZ jump-server architecture, privileged access controls, vendor gateways, session recording, MFA, and compliance with IEC 62443 and NERC CIP-005 expectations.

Secure OT Remote Access

implementing-conduit-security-for-ot-remote-access

mukul975/Anthropic-Cybersecurity-Skills

Defines an IEC 62443-compliant conduit and workflow for OT remote access, combining DMZ jump servers, MFA gateways, session recording, and approval flows so vendors and engineers manage ICS without touching OT networks directly.

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