Domain 1: Security and Risk Management - Fundamental Principles of Security - Integrity

7 important questions on Domain 1: Security and Risk Management - Fundamental Principles of Security - Integrity

When will integrity be maintained?

When the assurance of the accuracy and reliability of information and systems is provided and any unauthorized modification is prevented.

How can an attacker compromise the integrity of systems or data?

Inserting:
1. Virus
2. Logic Bomb
3. Backdoor   
into a system

In what ways can the integrity of a system or data being compromised by different attacks?

1. By a way of corruption
2. Malicious modification
3. Replacement of data with incorrect data
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What instrument you can use to combat threats like corruption, malicious modification or the replacement of data with incorrect data?

1. Strict access controls
2. Intrusion detection
3. Hashing

How does most users usually affect a systems data integrity?

By mistake, although internal users may also commit malicious deeds.

Name examples of users compromising integrity by accident.

1. User deletes configuration files because of lack of disk space
2. User inserts incorrect values into data-processing application, now customer is being charged 3000 euro instead of 30 euro.
3. Incorrectly modifying data

How can security prevent the compomise of integrity?

1. Give only certain choices to make for users to minimize the errors that can occur.
2. System critical file should be restricted from viewing and access by users
3. Applications should check for reasonable input values.
4. Databases should only authorize certain individuals to modify data
5. Data in transit should be encrypted

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