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Information Security -Questions & Solutions
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Information Security -Questions & Solutions
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Information Security -Questions & SolutionsAdvanced Research Projects Agency (ARPA) ✔️Ans - began to examine the
feasibility of redundant networked communications.
Larry Roberts ✔️Ans - developed the ARPANET from its inception.
Fundamental problems with ARPANET security were identified. ✔️Ans - -
No safety procedures for dial-up connections to ARPANET.
-Nonexistent user identification and authorization to system.
The scope of computer security grew from physical security to include:
✔️Ans - -Securing the data.
-Limiting random and unauthorized access to data.
-Involving personnel from multiple levels of the organization in information
security.
Multiplexed Information and Computing Service (MULTICS) ✔️Ans - Early
focus of computer security research centered on a system called?
Core Functions ✔️Ans - First operating system was created with security
integrated into
Several MULTICS key players created UNIX. ✔️Ans - Primary purpose of
UNIX was text processing.
Late 1970s: The microprocessor expanded what two things ✔️Ans -
computing capabilities and security threats.
Internet ✔️Ans - became the first global network of networks.
de facto standards ✔️Ans - network connections were based on
DEFCON conference ✔️Ans - In 1993, what was the conference established
for those interested in information security?
,Growing threat of cyber attacks has increased the awareness of need for
improved security. ✔️Ans - -Nation and states engaging in information
warfare.
Security ✔️Ans - "A state of being secure and free from danger or harm;
the actions taken to make someone or something secure."
A successful organization should have multiple layers of security in place to
protect: ✔️Ans - -Operations
-Physical infrastructure
-People
-Functions
-Communications
-Information
confidentiality, integrity, and availability ✔️Ans - What does CIA stand for?
C.I.A. triad ✔️Ans - -Is a standard based on confidentiality, integrity, and
availability, now viewed as inadequate.
-Expanded model consists of a list of critical characteristics of information.
Key Information Security Concepts ✔️Ans - •Access
•Asset
•Attack
•Control, safeguard, or countermeasure
•Exploit
•Exposure
•Loss
•Protection profile or security posture
•Risk
•Subjects and objects of attack
•Threat
•Threat agent
•Threat event
•Threat source
•Vulnerability
, A computer can be the subject of an attack and/or the object of an attack.
✔️Ans - -When it is the subject of an attack, the computer is used as an active
tool to conduct attack.
-When it is the object of an attack, the computer is the entity being attacked.
The value of information comes from the characteristics it possesses: ✔️Ans
- -Availability
-Accuracy
-Authenticity
-Confidentiality
-Integrity
-Utility
-Possession
Object ✔️Ans - the passive element in a security relationship.
What are the elements in object? ✔️Ans - oFiles
oComputers
oNetwork connections
oApplications
Subject ✔️Ans - the active element in a security relationship
What are the elements in subjects? ✔️Ans - oUsers
oPrograms
oComputers
*Acts upon or against an object.
Access control ✔️Ans - the measurement of the relationship between
subjects and objects.
Sensitivity ✔️Ans - the quality of information, which could cause harm if
disclosed.
Discretion ✔️Ans - an act of decision where an operator can influence
disclosure to minimize damage.
Criticality ✔️Ans - the level to which information is mission critical.
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