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Ubuntu Blog: What is System Hardening? Essential Checklists from OS to Applications
- System hardening involves securing a system by reducing its attack surface and configuring it to run only essential components.
- It aims to make hacking more difficult and minimize potential damage in case of a breach.
- System hardening is crucial for protecting data and avoiding fines and reputational damage from breaches.
- Types of system hardening include server hardening, operating system hardening, and application security.
- Server hardening involves updating BIOS, enabling SecureBoot, setting passwords, and configuring disks with encryption.
- Operating system hardening focuses on removing unused components, tightening settings, patching software, and implementing best practices.
- Application security involves enforcing encryption, reducing privilege levels, monitoring logs, and checking vulnerabilities.
- CIS benchmarks provide industry standards for system hardening, with a focus on common software applications and operating systems.
- Canonical offers the Ubuntu Security Guide for automated system hardening, following CIS standards, and making the process more manageable.
- Implementing system hardening is essential for creating a secure production environment and can be facilitated by using industry standards and tools like the Ubuntu Security Guide.
- Hardening infrastructure and systems is crucial, and leveraging tools like the Ubuntu Security Guide can simplify the process and enhance security.
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