Hardening VMs involves implementing security measures to reduce the attack surface and strengthen VM security. Practices include reducing the number of open network ports, disabling unnecessary services, using strong passwords and multi-factor authentication (MFA), and regularly applying security p…Hardening VMs involves implementing security measures to reduce the attack surface and strengthen VM security. Practices include reducing the number of open network ports, disabling unnecessary services, using strong passwords and multi-factor authentication (MFA), and regularly applying security patches and updates. Additionally, maintaining an inventory of all VMs in the environment and their configurations is crucial for tracking changes and ensuring that the necessary security controls are in place for each VM.
Guide: Hardening Virtual Machines for CompTIA Security+
Virtualization provides efficiency and convenience in computing. However, its shared environment makes it attractive to hackers. Thus, the need for Hardening Virtual Machines.
Importance: Hardening VMs is important because it reduces the likelihood of successful attacks and minimizes the potential damage of breaches. It also ensures compliance with certain standards and regulations.
What it is: Hardening Virtual Machines involves adopting stringent security measures that limit machine's vulnerability to attacks. These measures include keeping system up-to-date, following the principle of least privilege, reducing the attack surface, implementing monitoring, and ensuring secure configurations.
How it works: VM hardening often employs robust security policies, standard configurations, isolation of machine resources, strict access controls, use of threat detection tools, and regular audits.
Exam Tips: 1. Understand the concept: Grasp the objective of VM hardening and the measures involved. 2. Know the risk: Understanding what you are protecting against, e.g., unauthorized access, malware, will give you context for the actions taken. 3. Practice questions: Use practice exams to gauge your understanding and apply the concept. 4. Specific Examples: Be ready with examples of how to harden a VM, such as isolating resources or restricting access controls.
CompTIA Security+ - Hardening Virtual Machines Example Questions
Test your knowledge of Hardening Virtual Machines
Question 1
A company has a virtualization infrastructure where multiple VMs reside on the same physical host. An auditor raises concerns about sensitive data exposure. Which of the following mitigations should be implemented?
Question 2
You are an administrator setting up encryption for your virtual machines' confidential data. What type of encryption should be used?
Question 3
An administrator is configuring security settings for a new virtual machine. They need to apply host-based intrusion prevention. Where should the administrator install the intrusion prevention system?
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