Securing Linux: A Survival Guide for Linux Security (Version 2.0)

1.9 PHYSICAL SECURITY

Physical Security is just another step in the Defense-In-Depth methodology. Physical Security centers on protecting the system from physical and environmental threats. Some guidelines to remember:

• Set BIOS passwords “ This helps to ensure that only administrators can change the hardware configuration of a system

• Utilize cabinet locks “ Place critical systems in locked cabinets to protect them from unauthorized power down or unauthorized access to CD-ROM and floppy drives .

• Ensure that badge readers or security cameras monitor access to servers “ This will help track an event should you have a security incident where the physical security is breached.

• Educate mobile users on laptop security “ Teach mobile users how to utilize laptop locks. Also teach them proper transport techniques to use while traveling.