What is the Pre-Boot Authentication (PBA) good for?

  • Article ID: 103247
  • Updated: 27 Jun 2009

SafeGuard Easy multi-platform 4.5x

Client OS

Windows 2000 Professional, Windows XP Professional Edition

Server OS

Windows 2000


What is the Pre-Boot Authentication (PBA) good for?


When you switch on your PC, the BIOS accesses the harddisk. Before any operating system is loaded or booted, the SafeGuard Easy Authentication Screen is displayed on the screen. The PC cannot be booted up without a valid login (the user has to authenticate before the PC is booted). Invalid logins cause rapidly increasing response times in the PBA screen.

By forcing the user to authenticate, SafeGuard Easy prevents from accessing the Windows registry or the file system by the use of appropriate tools or booting from CD. It also prevents malicious users from trying to install any kind of Trojan horse or other form of attack. Thus, it can be ensured that user passwords and data cannot be spied out or manipulated by the help of other tools.

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