Tutorial
Secure Windows Server 2022 with Group Policy Hardening
Use Group Policy to harden Windows Server 2022 with a practical workflow: prepare prerequisites, apply security settings, validate results, and avoid common rollout failures.
VectraOps knowledge library
Operating Systems
Content about server, desktop and mobile operating systems, including installation, configuration, patching, hardening and lifecycle management, belongs here. It also covers OS-focused automation, administration and security topics such as policy enforcement, access control, scripting, monitoring and troubleshooting across platforms.
Tutorial
Article
Windows 10 BitLocker Recovery: Prevent Data Loss After Updates
When a Windows 10 device drops into BitLocker recovery after an update, the immediate risk is not the prompt itself but lost access, missed service windows, and avoidable …
Article
Windows Server 2022 Security Hardening for Remote Desktop Access
Remote Desktop is often the most exposed management path on Windows Server 2022, so hardening it requires more than changing the port or blocking a few IPs. This …
Article
CentOS SELinux Troubleshooting for Enforcing Mode Access Denials
When SELinux blocks a service in enforcing mode, the fastest safe fix is not to disable it but to identify the exact denial, confirm whether it is expected …
Article
Windows Server 2025 Security Baselines for Hardened Deployments
A practical guide to building and validating Windows Server 2025 security baselines for hardened deployments, including control selection, verification, trade-offs, and production readiness checks.
Article
Ubuntu SSH Hardening: Disable Root Login and Key-Based Access
Disabling SSH root login and moving to key-based authentication are two of the most effective ways to reduce remote access risk on Ubuntu. This article explains what changes, …
Article
Windows Server 2025 Hardening: Secure Baseline Configuration Guide
A secure baseline is the difference between a server that is merely deployed and one that is defensible. This guide explains how to harden Windows Server 2025, what …
Article
Ubuntu Server Hardening: Secure SSH and Firewall Basics
Secure SSH and a restrictive firewall are the two control points most often used to reduce exposure on Ubuntu Server. This article explains what they protect, how they …
Article
CentOS 7 FirewallD Rules for Secure Service Exposure
CentOS 7 FirewallD rules determine which network services are reachable from which sources. This article explains how to expose services safely, validate zone behavior, and avoid the common …