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CISSP FlashCards 2021 CBK (in progress) > Domain 3 - Perimeter Defences | Site Selection | Environmental Controls > Flashcards

Domain 3 - Perimeter Defences | Site Selection | Environmental Controls Flashcards

1
Q

Fences - Control Type

A

deterrent, preventive.

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2
Q

Master key

A

doi

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3
Q

Core key

A

Key that can remove the lock cores from all doors in a building. Meant to be able to rekey locks quickly.

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4
Q

Combination locks

A

easily guessable from wear. Bad since everyone shares the same code.

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5
Q

Smart card - Control type

A

physical - control has integrated circuit

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6
Q

Tailgating

A

Unauth person follows an authorized person into what should be a secure area.

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7
Q

mantrap

A

Physical control. Two doors, requiring two separate forms of identification. One at the first door, one at the second. First door must close and lock before 2nd can open.

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8
Q

turnstile

A

Physical Control. Designed to prevent piggybacking by enforcing one person per authentication rule.

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9
Q

Contraband checks

A

Detective, and preventive Control:

detect stolen and/or contraband items.

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10
Q

Ultrasonic/microwave motion detectors

A

work like radar. they know how long a wave ‘echo’ should take to return. When a person or something passes in front of them - then the echo takes less time and motino is detected.

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11
Q

Photoelectric motion sensor

A

senses changes in visible light levels for the monitored area. Photoelectric motion detectors are usually deployed in internal rooms that have no windows and that are kept dark.

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12
Q

Perimeter alarms

A

magnet door and window alarms. matched pairs of sensors on wall.

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13
Q

NFPA 75

A

national fire protection ageny:

standard for protection of IT equipment. Computer room should be separate by fire resistent walls. Rated to 1 hour

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14
Q

Pseudo guard

A

unarmed guard

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15
Q

site selection - topography

A

topo can be used to steer ingress and egress

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16
Q

Utility reliability

A

One of the most important considerations in site selection. No Power = no business operations.

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17
Q

site selection crime

A

local crime should be factored in

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18
Q

system defenses

A

last line of defense when an attacker already has physical access

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19
Q

asset tracking

A

you can’t protect what you don’t know you have

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20
Q

port controls

A

lock usb ports, disable them. make them read only

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21
Q

Electrical faults

A 
Blackout
brownout
fault
surge
spike
sag
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22
Q

blackout

A

prolonged loss of power

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23
Q

brownout

A

prolonged low voltage

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24
Q

fault

A

short loss of power

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25
Q

surge

A

prolonged high voltage

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26
Q

spike

A

temporary high voltage

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27
Q

sag

A

temp low voltage

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28
Q

EMI

A

electromagnetic interference.

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29
Q

crosstalk

A

EMI affecting cables’ communication

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30
Q

Positive pressure and drains

A

All HVAC should be positive pressure.

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31
Q

HVAC Heat and humidity

A 
humidity = 40-55 percent
heat = 68-77 degreesf
32
Q

Static and corrosion

A

low humidity = static

high humidity = corrosion

33
Q

Airborne contaminants

A

dust. Positive pressure and HEPA to control this

34
Q

Heat detectors

A

alert to high temps.

35
Q

Smoke detectors ionization

A

uses small radioactive source to create an electric charge. Alerts when smoke interrupts radioactivity

36
Q

Smoke detector photoelectric

A

Uses an LED and a photoelectric sensor. Alerts when dust blocks light from sensor.

37
Q

Flame detectors

A

detects infrared or UV light from fire. Usually needs line of sight.

38
Q

Evacuation routes

A

should be prominently prosted. Sites should have a meeting point.

39
Q

Evac roles and procedures

A

Safety warden - ensures that all personnel safely evacuate.

Meeting point leader - assures all personel make it to the meeting point.

40
Q

Duress warning system

A

Way to inform employees of an emergency. Paging systems are often used.

41
Q

Travel safety

A

Ensure employees are safe while commuting

42
Q

A fires

A

common combustibles, paper, wood.

Extinguish with water or soda acid.

43
Q

B fires

A

Liquid for flammable gases: burning alcohol, oil, other petrol products.

Extinguished with gas (co2) or soda acid

44
Q

Class c fires

A

electrical fires

Gas should be used to extingusih - i.e. Halon, CO2

45
Q

Class d fire

A

burning metal

extinguished with dry powder

46
Q

Class K fires

A

kitchen fires.

extinguish with wet chemical

47
Q

Water as a suppression agent

A

recommended for Class A fires.

48
Q

Soda Acid

A

baking soda + acid creates CO2 and foam = both are fire suppresant

49
Q

Dry powder

A

Lowers temp and starves of oxygen

50
Q

Wet chemical

A

Usually potassium acetate mixed with water. covers a greas or oil fire in a soapy film that lowers the temp

51
Q

C02

A

smothers fire. Can also suffocate unwitting employees

52
Q

Halon

A

causes chemical reaction with the fire that consumes enercy and lowers temp. Halon is being phased out but has substitutes.

53
Q

Montreal Accord

A

Source of phasing out Halon. Halon = Ozone holes = bad. Existing halon can be used, no new halon can be produced.

54
Q

Halon replacements

A

Argon
FE-13
FM-200
Inergen

55
Q

Halon replacements

A

Argon
FE-13
FM-200
Inergen

56
Q

Count down timers

A

Needed before gas is released

57
Q

Wet Pipe ______ system

A

sprikler system. Water right up to each sprinkler head. Each head triggers independently

58
Q

Dry pipe _______ system

A

sprinkler system Pipes are filled with compressed air. as heads open - pressure drops allowing upstream valve to open. Often used where pipes could freeze

59
Q

Deluge _____ System

A

sprinkler system. pipes are empty until a fire alarm goes off then all sprinklers go.

sprinkler system. simliar to dry pipes, except sprinkler head are already open and larger than dry pipe heads. pipes are at normal pressure.

60
Q

Pre-action ______ system

A

combo of wet, dry, or deluge systems. require two separate triggers to release water.

61
Q

Single interlock preaction sprinkler

A

releases water into pipe on fire alarm. Water is release when head is triggered.

62
Q

double interlock preaction sprinkler

A

uses compressed air in pipes. water doesn’t enter pipe until both an alarm goes off and a sprinkler head opens

63
Q

PASS

A

pull the pin
aim low
squeeze the pin
sweep the fire.

64
Q

Gates

A

Deterrent and/or Preventative. Range from Class I (deter access) to Class IV (Prevent a car from crashing through.)

65
Q

Lights

A

Deterrent or Preventive. Now measures in Lux, historically measured in foot-candles.

66
Q

CCTV

A

Mostly detective, can be preventive.

67
Q

Locks

A

Preventive control

68
Q

Walls, Floors, Ceilings

A

any internal secure perimeter should start at floor slab and run to ceiling slab. Called “slab-to-slab”

Raised floors and drop ceilings obscure where walls and ceilings really start/end.

69
Q

Guards

A

Can be preventive, detective, and physical control

70
Q

Dogs

A

detection and detterent. High liability.

71
Q

Site Marking

A

Building is not marked, or very modestly marked to attract the least amount of attention.

72
Q

Shared Tenancy and Adjacent Buildings

A

Neighbors and neighboring building may offer an attack vector to a threat. Should be considered.

73
Q

Shared Demarc

A

Typically all tenants in building go through the same demarc. CIA Concern.

74
Q

Media Storage Facilities

A

Best be outside main facility, AND not possible to be impacted by a disaster at the main facility.

75
Q

CPTED Acronym

A

Crime Prevention Through Environmental Design

76
Q

Swell

A

Prolonged High Voltage

77
Q

Security Categories vs types

A

Categories:
Administrative
Technical
Physical

Types:
Preventive
Deterrent
Detective
Corrective
Recovery
Directive

CISSP FlashCards 2021 CBK (in progress) (15 decks)

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