Which of the following are the three ‘D’s in the Principles of Securit

Which of the following are the three ‘D’s in the Principles of Security ?

1. Denial
2. Detection
3. Deterrence
4. Destruction

Select the correct answer using the code given below :

1, 2 and 4

2, 3 and 4

1, 2 and 3

1, 3 and 4

Answer is Right!

Answer is Wrong!

This question was previously asked in

UPSC CISF-AC-EXE – 2023

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In the principles of security, particularly physical or information security, the three common ‘D’s are Denial, Detection, and Deterrence.

– **Denial:** Measures taken to prevent unauthorized access or actions (e.g., locks, firewalls).
– **Detection:** Measures to identify that an unauthorized action or event has occurred or is occurring (e.g., alarms, surveillance systems).
– **Deterrence:** Measures aimed at discouraging potential adversaries from attempting an unauthorized action (e.g., visible security presence, warnings).
– Destruction (4) is a consequence of an event or an active measure against a threat, not typically considered a core principle of security *design* or *planning* in the same category as Denial, Detection, and Deterrence, which focus on preventing, identifying, or discouraging security breaches.

These principles form a layered approach to security. Ideally, denial measures should prevent incidents. If denial fails, detection measures alert to the breach. Deterrence aims to prevent attempts in the first place by increasing the perceived risk or difficulty for an attacker.

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