Operational Security
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Chapter 10: Operational Security
Security+ Guide to Network Security
Fundamentals
Second Edition
Objectives
•
Harden physical security with access controls
•
Minimize social engineering
•
Secure the physical environment
•
Define business continuity
•
Plan for disaster recovery
Hardening Physical Security with
Access Controls
•
Adequate physical security is one of the first lines of
defense against attacks
•
Protects equipment and the infrastructure itself
•
Has one primary goal: to prevent unauthorized users
from reaching equipment to use, steal, or vandalize
Hardening Physical Security with
Access Controls (continued)
•
Configure an operating system to enforce access
controls through an access control list (ACL), a table
that defines the access rights each subject has to a
folder or file
•
Access control also refers to restricting physical
access to computers or network devices
Controlling Access with
Physical Barriers
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Most servers are rack-mounted servers
•
A rack-mounted server is 1.75 inches (445 cm) tall and
can be stacked with up to 50 other servers in a closely
confined area
•
Rack-mounted units are typically connected to a KVM
(keyboard, video, mouse) switch, which in turn is
connected to a single monitor, mouse, and keyboard
Controlling Access with Physical
Barriers (continued)
Controlling Access with Physical
Barriers (continued)
