🟡 Medium ⏱ 5–30 min Last verified: 14 January 2023 Affected versions: RHEL 7 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
Introduction to Hyper-V Replica Hyper-V Replica is an asynchronous replication feature built into Windows Server 2022 Hyper-V that continuously replicates virtual machine changes from a primary server to a replica server, providing disaster recovery capability without requiring shared storage or expensive SAN replication hardware. Changes made to a VM’s virtual hard disks on the primary […]
🟠 High ⏱ 5–30 min Last verified: 9 January 2023 Affected versions: Windows Server 2016 📖 ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
Introduction to Hyper-V Live Migration Live Migration is one of Hyper-V’s most important features for high availability and workload management. It allows a running virtual machine to be moved from one Hyper-V host to another with no downtime — users connected to services inside the VM experience only a very brief pause (typically less than […]
🟠 High ⏱ 5–30 min Last verified: 8 January 2023 Affected versions: Windows Server 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution — Primary Fix Solution — Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
Introduction to NTLM Security NTLM (NT LAN Manager) is a challenge-response authentication protocol used by Windows when Kerberos is not available—for example when accessing resources by IP address instead of hostname, in workgroup environments, or when connecting to legacy systems. While Kerberos is the preferred protocol, NTLM is still present in virtually all Windows environments […]
Introduction to TLS/SSL for Remote Desktop Protocol Remote Desktop Protocol (RDP) is one of the most widely used management interfaces in Windows Server environments, and it is also one of the most frequently targeted services by attackers. Securing RDP with proper TLS/SSL configuration on Windows Server 2022 is not optional — it is a fundamental […]
Introduction to Active Directory Hardening Active Directory is the identity backbone of most Windows enterprise environments, and it is the primary target in modern cyberattacks. Adversaries who compromise AD gain the ability to impersonate any user, access any resource, persist indefinitely, and move laterally throughout the organization. The attack techniques used against AD — Pass-the-Hash, […]
Introduction to Just-In-Time Administration on Windows Server 2022 Just-In-Time (JIT) administration is a security model that eliminates persistent privileged access. Instead of assigning administrators to privileged groups permanently, JIT grants elevated access only for a specific task window — typically minutes or hours — after which the privilege is automatically revoked. This dramatically reduces the […]
🟡 Medium ⏱ 5–30 min Last verified: 25 December 2022 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Quick Checks Deep Diagnosis Primary Fix Verification Prevention & Hardening Symptom & Impact Users and service accounts lose access to shared folders after security baseline changes disable legacy auth […]
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