Endpoint Security

SOE Hardening

Secure your Standard Operating Environments for Windows and Linux. Aligned to ISM controls, CIS Benchmarks, and Essential Eight requirements for achieving ML1 and ML2 maturity.

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What is SOE Hardening?

A Standard Operating Environment (SOE) is the baseline configuration deployed across your organisation's endpoints. SOE hardening applies security controls to reduce the attack surface of Windows and Linux systems before they enter production.

Properly hardened SOEs are a foundational requirement for achieving Essential Eight maturity levels and ISM compliance. We configure, test, and document hardened builds that meet federal security standards.

Key Benefits

  • Reduced attack surface across all endpoints
  • Consistent, repeatable security baseline
  • Direct alignment to ISM and Essential Eight controls
  • Documented evidence for audit and compliance

Compliance Alignment

ISM Controls

Hardening aligned to Information Security Manual endpoint controls.

Essential Eight (ML1 & ML2)

Configurations that directly support Essential Eight maturity targets.

CIS Benchmarks

Industry-standard benchmarks for Windows and Linux hardening configurations.

Government Guidance

Following Australian government hardening guides for Windows and Linux environments.

Platform Coverage

Comprehensive hardening for both major operating system families.

Windows Hardening

Windows 10/11 and Windows Server SOE hardening aligned to ISM, CIS Benchmarks, and Australian government guidance.

User Account Control (UAC) enforcement
BitLocker drive encryption
Windows Defender configuration
Local security policy hardening
AppLocker / WDAC application control
PowerShell constrained language mode
Registry and service lockdown
Audit policy and logging configuration

Linux Hardening

RHEL, Ubuntu, and Debian SOE hardening following CIS Benchmarks, Australian government guidance, and ISM controls.

Filesystem permissions and mount options
SELinux / AppArmor mandatory access controls
SSH hardening and key management
Kernel parameter tuning (sysctl)
Service minimisation and systemd hardening
Firewall rules (iptables / nftables)
Audit framework (auditd) configuration
GRUB and boot security

Our Process

A structured approach to building and validating hardened environments.

1

Assessment

Evaluate current SOE configuration against ISM and CIS baselines.

2

Policy Development

Define hardening policies and Group Policy / configuration management templates.

3

Implementation

Apply hardening controls to SOE images with testing in a lab environment.

4

Validation

Verify controls are effective and document compliance evidence for audit.

Ready to Harden Your Environment?

Contact us to discuss your SOE hardening requirements and how we can help you achieve your target maturity level.