Article
Hardening Red Hat Enterprise Linux SSH Access with PAM and MFA
SSH is still one of the highest-value entry points on a Linux server, which makes it a prime target for credential theft, password reuse, and brute-force attacks. On …
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.
Article
Article
Windows Server 2022 Active Directory Hardening Best Practices
Active Directory hardening on Windows Server 2022 is about reducing credential theft, lateral movement, and domain compromise without breaking core identity services. This article explains the controls that …
Article
Windows Server 2022 Security Hardening for Remote Desktop Services
Remote Desktop Services on Windows Server 2022 is often necessary, but it also expands attack surface. This article explains which hardening controls matter, how they work, what to …
Article
Windows 11 Group Policy Hardening for Local Security Controls
Windows 11 Group Policy hardening for local security controls helps standardize password, lockout, UAC, audit, and logon behavior across endpoints. This article explains what to change, how the …
Tutorial
How to Enable BitLocker on Windows 10 with TPM and PIN
This tutorial shows how to enable BitLocker on Windows 10 with TPM and PIN, from prerequisite checks and policy preparation to validation, recovery-key handling, and operational follow-up.
Tutorial
Configure Windows Server 2022 BitLocker Network Unlock via GPO
Learn how to configure BitLocker Network Unlock on Windows Server 2022 through Group Policy, from prerequisites and certificate preparation to validation and rollout checks.
Article
Hardening Ubuntu with AppArmor and UFW for Server Security
AppArmor and UFW protect different layers of an Ubuntu server: application behavior and network exposure. This article explains how they work together, when they are effective, what to …
How-To Guide
How to Configure SELinux Booleans on Red Hat Linux
SELinux booleans let you change specific policy behavior without disabling SELinux or writing custom modules. This guide shows how to find the right boolean, change it safely, verify …
Article
Managing Red Hat Vulnerability Patching with Subscription Manager
Subscription Manager helps you control access to RHEL repositories and track system registration, but it is not a patch scanner or remediation engine. This article explains how to …