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Article
AppArmor profiling helps you observe what an application actually needs, turn that behavior into a confined policy, and validate least-privilege operation before production rollout.
Article
OpenSCAP and SCAP Security Guide give RHEL operators a consistent way to assess system security posture against machine-readable policies. This article explains what the scan can and cannot …
Article
SSH is often the first administrative path into a RHEL server, which makes it a high-value target. This article explains how to harden SSH access by tightening authentication, …
Article
SELinux and firewall rules solve different parts of the Linux attack surface. This article explains how they complement each other, when to adjust policy versus ports, and what …
Tutorial
Set up Windows 11 BitLocker with TPM and PIN for pre-boot protection. This tutorial covers prerequisites, policy preparation, deployment, validation, and operational checks.
Article
Ubuntu firewall rules are often a mix of simplicity and precision: UFW is convenient for common host filtering, while nftables provides direct control and richer policy design. This …
Tutorial
Configure BitLocker encryption in Windows 10 with a practical workflow that covers prerequisites, drive preparation, policy choices, verification, and post-deployment checks.
Article
Attack Surface Reduction rules can materially reduce Windows 10 exposure when they are deployed with testing, scoping, and rollback discipline. This article explains how they work, when they …