Advanced System Administration & OS Hardening

Advanced System Administration & OS Hardening that Hardens Every Server

Secure and tune the operating systems running your core business applications. We apply CIS benchmarks, automate security patch deployments, and eliminate configuration drift across Linux and Windows fleets.

The Engine Room

Server operating systems are the primary target for digital threats, which makes systematic hardening a core operational necessity, not an afterthought. We keep your servers healthy with continuous patch deployment, kernel tuning, and configuration-drift prevention across hybrid environments. By applying CIS security benchmarks, managing server configuration through code, and integrating centralized identity and access controls, we hold your infrastructure to a rigorous administrative baseline that protects your applications from external exploits and lateral internal threats alike.

The Old Way

Vulnerable Servers

The Intelegencia Way

Hardened Systems

Unpatched Kernels
Automated Patching
Insecure Default Configs
CIS-Level Hardening
Hidden Backdoors
Tuned Kernels
Poor Resource Tuning
Identity Integration
Manual Config Drift
Immutable Configurations

Linux & Windows Excellence

Whether it's RHEL, Ubuntu, or Windows Server, we manage the configuration through code using Ansible and Chef to ensure zero drift. Infrastructure as Code means every system can be rebuilt identically, audited for compliance, and rolled back instantly if needed.

Ansible / Chef Automation
Active Directory Integration
Kernel Performance Tuning
Secure Boot & Encryption
Log Centralization
Linux & Windows Excellence
CIS Benchmarks & OS Hardening

CIS Benchmarks & OS Hardening

We apply Center for Internet Security (CIS) benchmarks to every server, hardening the OS against known attack vectors. Unnecessary services are disabled, file permissions are locked down, and kernel parameters are tuned for security. Your servers resist both external attacks and lateral movement.

CIS Benchmark Compliance
Unneeded Service Disabling
File Permission Hardening
Kernel Security Tuning
Security Audit & Remediation

Patch Management & Compliance

We coordinate security updates across your entire OS fleet with a staged, zero-downtime strategy. Patches are tested in staging environments, rolled out in phases during your maintenance windows, and automatically reversed the moment anomalies appear. Compliance logs stay fully updated throughout, so patch status is ready for auditors in seconds rather than days.

Automated Patch Testing
Staged Rollout Strategy
Zero-Downtime Deployment
Automatic Rollback on Failure
Compliance Audit Reports
Patch Management & Compliance
The Core Stack

SysAdmin Units

Modules that fix configuration drift instantly, rotate SSH keys securely, track system metrics, and deploy zero-downtime security patches.

Drift Guard

Automatically fixing config changes in seconds.

User Vault

Managing SSH keys and admin access centrally.

Metric Bot

Tracking CPU and IOPS at the OS level.

Update Agent

Coordinating zero-downtime rolling patches.

Identity & Access Management

Identity & Access Management

We centralize credential management across your server environment to remove the risk of shared administrator passwords and generic accounts. By integrating every server with Active Directory, we enable single sign-on, automated SSH key rotation, and multi-factor authentication on privileged access, enforcing the principle of least privilege across all user sessions and keeping every action on a central audit trail.

Centralized User Management
SSH Key Rotation
Sudo Access Logging
MFA Integration
Least-Privilege Enforcement
The Hardening

Our Admin Flow

Five steps that harden every server and lock down OS vulnerabilities, covering golden image design, Ansible automation, identity wiring, OS-level monitoring, and CIS benchmark hardening.

1

Image Design

Building 'Golden Images' for fast deployment.

2

Code-First Config

Writing Ansible playbooks for all settings.

3

Identity Wiring

Connecting servers to your central IDP.

4

Monitoring

Deploying OS-level agents for deep telemetry.

5

Hardening

Applying CIS benchmarks and disabling unneeded services.

Measured Performance. Proven Growth.

0%
Patch Compliance
0
Config Drift
0%
CIS Compliance
0
Security Incidents

Frequently Asked Questions
About Advanced System Administration & OS Hardening

Here you will find answers to questions we get asked the most about our offerings.

We help you 'Virtualize and Air-gap' legacy systems while planning a migration to modern, supported versions.

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