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Infrastructure Security: A Guide to Infrastructure Security, Hardening Practices and Compliance

This guide provides essential knowledge for securing your IT infrastructure, covering best practices in hardening systems and ensuring compliance with relevant regulations.

mysimulator teamUpdated June 2026≈ 3 min read▶ Open the simulation

Objective: To provide a comprehensive understanding of infrastructure security, including hardening practices and compliance requirements.

Introduction to infrastructure security.

Introduction to infrastructure security.

Hardening Practices and System Protection

Hardening reduces the attack surface by disabling unnecessary services, applying patches, configuring firewalls, limiting privileges, using least privilege principles, performing regular updates, implementing secure configurations, and monitoring changes.

Network security and segmentation.

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Compliance and regulatory requirements.

Compliance ensures adherence to regulatory standards (GDPR, HIPAA, PCI-DSS, SOC 2) through security policies, procedures, documentation, audits, reporting, risk management, and staff training.

Frequently asked questions

Should you regularly update your systems?

Should you regularly update your systems?

Do you need to plan for incident response?

Do you need to plan for incident response?

How can you protect infrastructure from attacks?

How can you protect infrastructure from attacks?

Should you use defense in depth (multi-layered protection)?

Should you use defense in depth (multi-layered protection)?

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