CIA Triangle - CORRECT ANSWERS ✔✔Cornerstone of infosec.
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Confidentiality, Integrity, Availability \| \|
Confidentiality (CIA Triangle) - CORRECT ANSWERS ✔✔prevention \| \| \| \| \| \| \|
of unauthorized disclosure of information; prevention of
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unauthorized read access to data \| \| \| \|
Integrity (CIA Triangle) - CORRECT ANSWERS ✔✔prevention of
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unauthorized modification of data; prevention of unauthorized
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write access to data
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Availability (CIA Triangle) - CORRECT ANSWERS ✔✔ensures data
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is available when needed to authorized users
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Opposing forces to CIA - CORRECT ANSWERS ✔✔DAD: disclosure,
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alteration, destruction \|
identification - CORRECT ANSWERS ✔✔the process by which a \| \| \| \| \| \| \| \| \|
subject professes an identity and accountability is initiated; ex:
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typing a username, swiping a smart card, waving a proximity
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device (badging in), speaking a phrase, etc - always a two step
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process with authenticating
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,authentication - CORRECT ANSWERS ✔✔verification that a \| \| \| \| \| \| \|
person is who they say they are; ex: entering a password or PIN,
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biometrics, etc - always a two step process with identifying
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authorization - CORRECT ANSWERS ✔✔verification of a person's \| \| \| \| \| \| \| \|
access or privileges to applicable data
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auditing (monitoring) - CORRECT ANSWERS ✔✔recording a log of
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the events and activities related to the system and subjects
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accounting (accountability) - CORRECT ANSWERS ✔✔reviewing
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log files to check for compliance and violations in order to hold
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subjects accountable for their actions
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non-repudiation - CORRECT ANSWERS ✔✔a user cannot deny \| \| \| \| \| \| \| \|
having performed a specific action
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subject - CORRECT ANSWERS ✔✔an entity that performs active
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functions to a system; usually a person, but can also be script or
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program designed to perform actions on data
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object - CORRECT ANSWERS ✔✔any passive data within the
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system
ISC2 Code of Ethics Canons (4) - CORRECT ANSWERS ✔✔1.
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protect society, commonwealth, infrastructure
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2. act honorably, justly, responsibly, legally
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,3. provide diligent and competent service
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4. advance and protect the profession
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strictly applied in order; exam questions in which multiple
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canons could be the answer, choose the highest priority per this
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order
policy - CORRECT ANSWERS ✔✔mandatory high level
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management directives; components of policy \| \| \| \|
1. purpose: describes the need for policy
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2. scope: what systems, people, facilities, organizations are
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covered
3. responsibilities: specific duties of involved parties
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4. compliance: effectiveness of policy, violations of policy
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procedure - CORRECT ANSWERS ✔✔low level step by step guide
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for accomplishing a task
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standard - CORRECT ANSWERS ✔✔describes the specific use of
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technology applied to hardware or software; mandatory
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guideline - CORRECT ANSWERS ✔✔discretionary
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recommendations (e.g. not mandatory) \| \| \|
baseline - CORRECT ANSWERS ✔✔a uniform way of
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implementing a standard \| \|
, 3 access/security control categories - CORRECT ANSWERS ✔✔1.
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administrative: implemented by creating org policy, procedure, \| \| \| \| \| \| \|
regulation. user awareness/training also fall here
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2. technical: implemented using hardware, software, firmware
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that restricts logical access to a system
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3. physical: locks, fences, walls, etc
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preventive access control \| \|
(can be administrative, technical, physical) - CORRECT ANSWERS
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✔✔prevents actions from occurring by applying restrictions on
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what a user can do. example: privilege level
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detective access control \| \|
(can be administrative, technical, physical) - CORRECT ANSWERS
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✔✔controls that alert during or after a successful attack; alarm
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systems, or closed circuit tv \| \| \| \|
corrective access control \| \|
(can be administrative, technical, physical) - CORRECT ANSWERS
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✔✔repairing a damaged system; often works hand in hand with
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detective controls (e.g. antivirus software)
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recovery access control \| \|
(can be administrative, technical, physical) - CORRECT ANSWERS
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✔✔controls to restore a system after an incident has occurred;
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