In order to keep data secure, which three things should be considered?
This is the CIA triangle which is from p.143. The three aspects are the three corners of the triangle. Remember this one for the exam as I've heard it comes up frequently. Just remember data security = CIA = confidentiality, integrity and availability.
Domain: 3.1
Zach is the Head of Procurement at a super secret military base. He does not want anyone outside of the base to know what he is procuring or which suppliers he uses as this information could be critical to national defence. He is aware that cyber criminals may be interested in stealing this information so he has decided to disconnect critical machines and systems from the internet. What is this approach to data security known as?
This is air-gapping. Air-gapping is when you disconnect from an outside network such as the internet. P.171
Domain: 3.1
Which of the following statements about Big Data are true? Select ALL that apply.
Big Data requires large volumes and computing power. Not all datasets qualify as Big Data. It is used across various departments, and computers analyze it, not just humans.
Fluffy Pillows Ltd has recently expanded its operations and has hired more staff. These staff will work remotely and because of this Fluffy Pillows Ltd is in need of buying and upgrading their IT systems. The CEO of Fluffy Pillows is examining the security of currently held data in preparation for the expansion and has recently completed a document which looks into what data is stored where and what the consequences would be if this data were to be stolen or corrupted. In his research he has found multiple data entries for the same information, which he believes could lead to inaccuracies in data reporting. He is also concerned that the data isn't being stored securely and is unsure whether he should retain some of the confidential personal details on employees who have left the business. He has decided that along with the introduction of new systems it is important that all members of staff at Fluffy Pillows are aware of the responsibilities of storing data correctly and the risks of cyber attacks.
What should the CEO do with his wider team?
All staff should get Cyber Security Training. This relates to the last sentence in the case study, which talks about ensuring people store data correctly and know about cyber attacks.
A person who enters into another person's computer via illegal means for personal gain, for example to steal data which will benefit them personally, is known as what?
This is a black hat hacker. The colour of hat the hacker wears describes their motivation. Black is bad, white is good and grey means they're hacking on behalf of a government. Black swan is about finding patterns in data that don't exist and came up in an earlier chapter. Black-hat hacking is from p.147. I don't think hackers are obliged to wear hats, it's probably just a metaphor, but I've never met one to ask.
Domain: 3.1
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