Network Security Essentials Exam Guide3 with
100% Correct Solutions
Confidentiality
Assures private information is not disclosed to unauthorized individuals
Integrity
Ensures information is not changed or destroyed without detection
Availability
Assures prompt system work and service to authorized users
Authenticity
Verifies users' identity and trusted input sources
Accountability/non-repudiation
Requires tracing actions uniquely to an entity
Threat
Potential to cause harm to assets
Vulnerability
Weakness in hardware, software, or procedures
Attack
Compromising integrity, confidentiality, or availability of information asset
Physical countermeasures
Protects physical environment where systems/data are stored
, Technical countermeasures
Controls protecting systems/networks processing, transmitting, or storing data
Administrative countermeasures
Rules, policies, and laws for expected user behavior
Detective countermeasures
Security controls designed to detect, log, and alert after an event
Corrective countermeasures
Minimize damage, facilitate recovery, and repair weaknesses
Preventative countermeasures
Techniques and strategies to prevent, detect, and respond to threats
What are the ways in which employees can cause damage to an organization? (e.g.,
hacking,
extortion, and sabotage)
Sabotage(destruction of hardware or software), hacking, financial theft, theft of
intellectual property, employee extortion, internet abuse
Virus
Requires user or software to travel between computers
Worm
Self-replicating malware spreading between computers
Trojan horse
Disguised malware downloaded onto a computer
100% Correct Solutions
Confidentiality
Assures private information is not disclosed to unauthorized individuals
Integrity
Ensures information is not changed or destroyed without detection
Availability
Assures prompt system work and service to authorized users
Authenticity
Verifies users' identity and trusted input sources
Accountability/non-repudiation
Requires tracing actions uniquely to an entity
Threat
Potential to cause harm to assets
Vulnerability
Weakness in hardware, software, or procedures
Attack
Compromising integrity, confidentiality, or availability of information asset
Physical countermeasures
Protects physical environment where systems/data are stored
, Technical countermeasures
Controls protecting systems/networks processing, transmitting, or storing data
Administrative countermeasures
Rules, policies, and laws for expected user behavior
Detective countermeasures
Security controls designed to detect, log, and alert after an event
Corrective countermeasures
Minimize damage, facilitate recovery, and repair weaknesses
Preventative countermeasures
Techniques and strategies to prevent, detect, and respond to threats
What are the ways in which employees can cause damage to an organization? (e.g.,
hacking,
extortion, and sabotage)
Sabotage(destruction of hardware or software), hacking, financial theft, theft of
intellectual property, employee extortion, internet abuse
Virus
Requires user or software to travel between computers
Worm
Self-replicating malware spreading between computers
Trojan horse
Disguised malware downloaded onto a computer
