CISSP Friday-Five Questions September 8th 2017.

What is WORM media?

WORM Media (Write Once Read Many): CD/DVDs can be WORM Media (R), if they are not R/W (Read/Write).

In IaaS who is responsible for the databases?

IaaS - (Infrastructure as a Service) The vendor provides infrastructure up to the OS, the customer adds the OS and up.

Logic bombs will go off when:

Logic Bombs - Malicious code that executes at a certain time or event - they are dormant until the event (IF/THEN). IF Bob is not getting an annual bonus over $10,000, THEN execute malicious code. IF date and time 5/15/18 00:02:12, THEN execute malicious code.

What is polyinstantiation?

Polyinstantiation  (Alternative Facts) – Two (or more) instances of the same file depending on who accesses it. The real information may be available to subjects with Top Secret clearance, but different information will be available to staff with Secret or lower clearance.

Cryptanalysis is where we:

Cryptanalysis is the science of breaking encrypted communication. Cryptanalysis is used to breach cryptographic security systems and gain access to the contents of encrypted messages, even if the cryptographic key is unknown. It uses mathematical analysis of the cryptographic algorithm, as well as side-channel attacks that do not target weaknesses in the cryptographic algorithms themselves, but instead exploit weaknesses in their implementation and the devices that run them.

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