Physical Security Flashcards
Area between two doorways that holds people until they are identified
and authenticated
Mantrap
§ Relies on the physical characteristics of a person to identify them
Something you Are
Biometrics
Rate that a system authenticates a user as authorized or valid when they
should not have been granted access to the system
False Acceptance Rate (FAR)
Rate that a system denies a user as authorized or valid when they should
have been granted access to the system
False Rejection Rate (FRR)
An equal error rate (ERR) where the false acceptance rate and false
rejection rate are equal
Crossover Error Rate (CER)
Process of controlling and/or extinguishing fires to protect an
organization’s employees, data, equipment, and buildings
Fire Supression
Pipes are filled with water all the way to the sprinkler head and
are just waiting for the bulb to be melted or broken
Wet Pipe Sprinkler System
Pipes are filled with pressurized air and only push water into
the pipes when needed to combat the fire
Dry Pipe Sprinkler System
Fire suppression system that relies upon gas (HALON, FM-200, or
CO2) instead of water to extinguish a fire
Clean Agent System
adds a layer of shielding inside the cable
Shielded Twister Pair (STP)
Shielding installed around an entire room that prevents electromagnetic
energy and radio frequencies from entering or leaving the room
Faraday Cage
U.S. Government standards for the level of shielding required in a
building to ensure emissions and interference cannot enter or exit the
facility
TEMPEST
- A digital serial data communications network used within vehicles
Controller Area Network (CAN)
A group of objects (electronic or not) that are connected to the wider
Internet by using embedded electronic components
Internet of Things (IoT)
A computer system that is designed to perform a specific, dedicated
function
Embedded Systems
A type of computer designed for deployment in an industrial or outdoor
setting that can automate and monitor mechanical systems
Programmable Logic Controller (PLC)
A processor that integrates the platform functionality of multiple logical
controllers onto a single chip
System on a chip (SoC)
A type of OS that prioritizes deterministic execution of operations to
ensure consistent response for time-critical tasks
Real-Time Operating System(RTOS)
A processor that can be programmed to perform a specific function by a
customer rather than at the time of manufacture
Field Programmable Gate Array (FPGA)
A communications network designed to implement an industrial control
system rather than
data networking
Operational Technology (OT)
§ A network that manages embedded devices
Industrial Control Systems (ICS)
Digital serial data communications used in operational technology
networks to link PLCs
Fieldbus
Input and output controls on a PLC to allow a user to configure and
monitor the system
Human Machine interface (HMI)
Software that aggregates and catalogs data from multiple sources within
an industrial control system
Data Historian
