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Module 2 - Design Principles Flashcards

(13 cards)

1
Q

What is least privilege?

A

Only have rights necessary to do the job

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2
Q

What is complete mediation?

A

Every access to every object must be checked

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3
Q

What is open design?

A

More open system

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4
Q

What is separation of privilege?

A

Access should depend on more than one condition being satisfied

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5
Q

What is psychological acceptability?

A

Where a user bypasses controls in order to make their job easier

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6
Q

What is fail secure?

A

If software fails let it do it securely

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7
Q

What is defence in depth?

A

Multiple layers of defence

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8
Q

What is secure the weakest link?

A

System is only as strong as its weakest link

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9
Q

What is least common mechanism?

A

Minimise the amount of mechanism common to more than one user

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10
Q

What is it to compartmentalise?

A

Break the system into units to minimise damage

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11
Q

What is fail-safe defaults?

A

If an action fails, system is as secure as when action begins

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12
Q

What is the TSI?

A

Trustworthy software initiative

  • aims to improve software
  • based in Warwick uni
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13
Q

What is the TSI concerned with?

A

ARRSS

Availability 
Reliability 
Resilience 
Safety 
Security
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