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Intrusion Detection System (IDS) Concepts

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Intrusion Detection System (IDS) Concepts

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Questions and Answers

What is the primary function of an Intrusion Detection System (IDS)?

To authenticate users and provide access control

To monitor system resources and activities and issue alerts (correct)

To encrypt data and protect it from unauthorized access

To block network traffic attempting to circumvent security measures

What type of intrusion detection approach models normal behavior of a system and its users based on reference information?

Single-factor

Knowledge-based

Behavior-based (correct)

Two-factor

What is the primary purpose of CAN in Automation (CIA)?

To provide security education to end-users

To encrypt data and protect it from unauthorized access

To authenticate users and provide access control

To develop and promote the CAN protocol (correct)

What type of authentication method requires only one credential?

Single-factor Signup and view all the answers

What is the primary purpose of user roles and accounts in an application?

To give users authority to perform their responsibilities within an application and nothing more Signup and view all the answers

What is the primary purpose of data encryption in an application?

To protect data being used within an application from unauthorized access Signup and view all the answers

Study Notes

Intrusion Detection Systems (IDS)

Monitors system resources and activities, issues alerts when detecting attempts to circumvent security measures
Two approaches:
- Knowledge-based: Detects specific attacks and system vulnerabilities (e.g., repeated failed login attempts)
- Behavior-based: Models normal system behavior, compares current activity to identify deviations (e.g., unusual traffic at odd hours)

CAN in Automation (CIA)

International users' and manufacturers' group for Controller Area Network (CAN) protocol
Established in 1992, provides unbiased platform for CAN development and promotion

Authentication Methods

Single-factor: Requires one credential (e.g., password)
Two-factor: Requires two types of credentials (e.g., bank card and PIN)

User Roles and Accounts

Gives users authority to perform responsibilities within an application, nothing more

Data Encryption

Protects data within an application from unauthorized access

CIA at the End-User-Level

Security education
Authentication methods
Antivirus software
Data encryption

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Description

Learn about Intrusion Detection Systems (IDS), including knowledge-based and behavior-based approaches, and how they monitor system resources and activities to detect potential security threats.