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Tutorial
A practical tutorial for applying security baselines to Windows Server 2025: prepare safely, deploy the baseline, validate enforcement, and verify the hardened state before production.
Tutorial
Slow joins usually come from poor indexing, mismatched join conditions, or execution plans that scan far more data than necessary. This tutorial shows how to diagnose the bottleneck, …
Article
Attack Surface Reduction rules can materially reduce common endpoint attack paths in Windows 11 when they are targeted, validated, and rolled out with care. This article explains how …
Article
A hardened baseline gives Windows Server 2025 a consistent security starting point: fewer exposed services, tighter identity controls, safer remote administration, and clearer validation before production rollout.
Article
CentOS 9 hardening starts with two high-value controls: locking down SSH and removing unused services from the attack surface. This article explains what to change, how to validate …
Article
DNSSEC validation failures usually trace back to broken trust chains, expired signatures, bad delegation, clock drift, or resolver policy mismatches. This article shows how to identify the failure …
Article
BitLocker recovery key handling is a small operational control with outsized impact. This article explains where keys should be backed up, how to verify they are recoverable, and …
Article
A secure .NET API depends on more than just issuing tokens. This article explains how JWT authentication with IdentityServer works, when to use it, and what to verify …
Article
Dijkstra’s algorithm is the standard way to compute shortest paths in weighted graphs with non-negative edge costs. This article explains when it applies, how it works, how to …