Operating System Management Services

In Scope

Microsoft Windows Server (2012 R2 and later,

Linux Distributions (RHEL, CentOS, Ubuntu Servers)

Physical, virtual, and cloud environments (on‑premises, private cloud, public cloud)

Planning and management of security and critical OS patches

OS‑level security configuration and hardening checks

Analysis and review of system logs (Event Logs, syslog, journal)

Identification of OS‑related security risks and vulnerabilities

User and group administration

Access control and authorization management (local users, sudo, policies, RBAC)

OS‑level authentication and access reviews

OS‑level incident analysis and troubleshooting

Support for performance degradation and service interruptions

Management of scheduled tasks and system services

Documentation of operational activities

Technical knowledge sharing and handover

Improvement and optimization recommendations

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