SOP VNC 1. Virtual Network Computing (VNC) is a graphical desktop sharing system that uses the Remote Frame Buffer protocol (RFB) to remotely control another computer. It transmits the keyboard and mouse events from one computer to another, relaying the graphical screen updates back in the other direction. 2. Certain versions are susceptible to an authentication bypass. This can be tested with nmap -sV --script=realvnc-auth-bypass 10.11.1.227. 3. If you must enter ctrl-alt-delete when you login to the VNC, you can hit shift-crtl-alt-delete in