Virtual machines

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A Virtual Machine, often abbreviated VM, is an isolated operating system, installed within an operating system called a Host Machine, or simply Host. Virtual Machines work through hardware virtualization. The original definition of a virtual machine is "An efficient, isolated duplicate of a real machine." Virtual machines are capable of running an alternate operating system, inside of the current one. This alternate operating system is called a Guest Machine or simply Guest

Virtualization Tools

• VirtualBox

• Qemu

• VMWare

Creating Vulnerable VMs for Penetration Testing

Setting up your environment

- Software install
- Networking setup
- Removing patches
- Adding user accounts
- Installing vulnerable software

Vulnerable By Design VMs

- Metasploitable
- DamnVulnerableLinux
- DamnVulnerableWebApp
- UltimateLAMP
- Windows XP builds