<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) > [bitburner](./bitburner.md) > [Server](./bitburner.server.md) > [backdoorInstalled](./bitburner.server.backdoorinstalled.md) ## Server.backdoorInstalled property Flag indicating whether this server has a backdoor installed by a player <b>Signature:</b> ```typescript backdoorInstalled: boolean; ```