What are we trying to protect in CYSE? - answer-Confidentiality, integrity and availability (of information, systems resources etc.)
What is confidentiality? - answer-unauthorized users cannot access sensitive information
What is integrity? - answer-Information is complete and uncorrupted
...
What is Polycom HDX? - answer-Polycom firewall opened up to incoming
traffic when call was received, hackers were sending false packets to gain
control of the system
, Polycom HDX impacts? - answer-Confidentiality - could be listening/ watching
getting info
availability - can control the machine and who has access of it
integrity - can change/modify the system
Polycom HDX countermeasures? - answer-Network fire wall control who can
access
application code review
A mission requires (a) the right people (b) having access to (c) the right data
- answer-a - confidentiality
b - availability
c- integrity
What is the effect ("cost") of a mission-impacting event weighted by the
probability
that such an event will happen? - answer-risk
What the tools and techniques we use to reduce risk (and hence
provide greater mission capabilities and reliability)? - answer-
countermeasures
What are the three categories of countermeasures? - answer-Protect (block,
prevent)
- Detect (when something does happen, bad actor gets through, etc.)
- React (respond to an adverse event quickly and to minimize mission
impact)
Why is it important to use/understand the offensive measures? - answer-our
adversaries are in a similar position so we aim to disrupt their
mission capabilities and/or collect intelligence and/or conduct operations via
cyber
means
Why is it important to use /understand the deceptive measures? - answer-
can be used defensively (to decrease our adversaries' attack
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TOPDOCTOR. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.