# Get to Work

[Offensive Security Proving Grounds (PG) ](https://www.offensive-security.com/labs/)are a modern network for practicing penetration testing skills on exploitable, real-world vectors.

| Machine                                                | OS      | Description                                                                                      |
| ------------------------------------------------------ | ------- | ------------------------------------------------------------------------------------------------ |
| [Nibbles](/proving-grounds/get-to-work/nibbles.md)     | Linux   | This machine will highlight why we have hardening guidelines.                                    |
| [Nickel](/proving-grounds/get-to-work/nickel.md)       | Windows | We require more minerals.                                                                        |
| [WebCal](/proving-grounds/get-to-work/webcal.md)       | Linux   | Enumeration is key. Also, don't follow where it leads you...                                     |
| [Authby](/proving-grounds/get-to-work/authby.md)       | Windows | Enumeratation and pillaging like bandits in the old country.                                     |
| [Pelican](/proving-grounds/get-to-work/pelican.md)     | Linux   | Let's hope to see one at the zoo.                                                                |
| [Jacko](/proving-grounds/get-to-work/jacko.md)         | Windows | A machine best paired with a nice cup of coffee.                                                 |
| [Medjed](/proving-grounds/get-to-work/medjed.md)       | Windows | Medjed - The Smiter, who belongs to the House of Osiris, who shoots with his eye, yet is unseen. |
| [XposedAPI](/proving-grounds/get-to-work/xposedapi.md) | Linux   | Don't get exposed.                                                                               |


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