Bad Sector is an achievement/trophy in Deus Ex: Mankind Divided, awarded for completing five ghost servers in the Breach mode of Mankind Divided. The achievement also appears in the standalone release of Breach.
Walkthrough[]
Ghost servers are accessed at the far left of the network line. The ghost network resets every 24 hours and requires a new Firewall Key access each time it is reset. Therefore, it is preferable to complete the achievement before the next network reset occurs.