Principle of least privilege and defense in depth for Tech+
Short answer
Principle of least privilege and defense in depth. Basic security revolves around the CIA Triad: - Confidentiality: Data accessible only to authorized users. Techniques: encryption, access control, network security (firewalls). - Integrity: Data is accurate and unaltered except by authorized processes. Mechanisms: checksums/hashes, digital signatures, strict access controls. - Availability: Information and resources available when needed. Measures: redundancy, backups, DDoS mitigation.
Why it appears on the exam
This lesson supports FC0-U71 6.0 on CompTIA Tech+ FC0-U71. The public page gives the basic concept for free; the app adds tracking, quizzes, and weak-area practice.
Key concepts
Concept 1
Principle of least privilege and defense in depth
Principle of least privilege and defense in depth. Basic security revolves around the CIA Triad: - Confidentiality: Data accessible only to authorized users. Techniques: encryption, access control, network security (firewalls). - Integrity: Data is accurate and unaltered except by authorized processes. Mechanisms: checksums/hashes, digital signatures, strict access controls. - Availability: Information and resources available when needed. Measures: redundancy, backups, DDoS mitigation. Principle of Least Privilege: Give users minimum access necessary to perform duties. Limits damage if account is compromised. Defense in Depth: Multiple layers of security controls. If one layer fails, others still protect.
Example
Basic security revolves around the CIA Triad:
Concept 2
Terms to recognize
Recognize these Tech+ terms in simple scenarios: Principle of least privilege and defense in depth, CIA Triad, Confidentiality, Integrity, Availability, Principle of Least Privilege, Defense in Depth, Security Frameworks.
Concept 3
How to recognize it on Tech+
On FC0-U71, stay at beginner IT depth: identify when the question is asking about Principle of least privilege and defense in depth, then choose the basic concept or support action that matches the situation. Do not jump into advanced vendor administration unless the prompt clearly gives that scope.
Sample questions
Select an answer to reveal the explanation. For tracked practice and weak-area review, use the Cultiv8 app.
Q1.A beginner IT question describes this situation: Principle of least privilege and defense in depth. Which lesson concept is being tested?
Q2.How should a new IT learner handle this kind of Tech+ question?
Q3.Before choosing an answer about Principle of least privilege and defense in depth, what should the learner check first?
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