#case-study

[autiworld]

Today a sad yet funny arguement I had with 1 of my neurotypical colleague.

Colleague (say H) - What you are planning to gift in marriage ceremony of J (another coleague)?

Me (say I) - Book.

H - Its very inappropriate gift for marriage ceremonies.

I - But previously i gifted book as gift in marriage ceremony of another colleague (say G). (S)he was really really happy to get the book. Although other colleagues later told me it was an inappropriate choice, but G was really happy.

H - anyone will NEVER tell if they dislike a gift. Because telling so is very offensive and misleading. Also it dismays the struggle the giftbearer performed.

I - well, then tell me how can i know what is a good gift for marriage ceremony of J? I think then its best to ask her/him about what would be an appropriate gift.

H - NOOOOOOOOOOOOOOOOOO. Never ever do so. That behaviour would be horribly anticultural and antisocial. If you stay in our country, you have to respect our morals, ethics, cultural standards.

I - Then what could be the other method? Observing J' s purchase patterns and other preferences? Secretly stalking J?

H - Come down to reality. You are thinking too much imaginative and absurd way. Think in THE REAL and PRACTICAL way.

I - I am thinking "THE" REAL and PRACTICAL way but it is you who confusing me into unreal mystery.

H - No, you are being confusing.

I - So then tell me what is the right gift and how could i choose it?.

H - Its simple. Gift them what you like.

I - Books?

(H, I - Both faceplams)

[rajeshwaria]

AI-Generated Case Study Data Analysis by Quantzig: A Game-Changer in Research

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The Power of AI in Case Study Data Analysis

AI-generated case study data analysis involves using advanced machine learning algorithms to process and analyze large datasets. These AI systems can identify patterns, generate reports, and make predictions, offering businesses a more efficient way to understand market dynamics and customer behaviors. With this technology, case studies can be generated in a fraction of the time it would take using traditional methods, without compromising on quality.

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The AI Process Explained

AI-driven tools leverage natural language processing (NLP) to interpret text data and create comprehensive case studies. By analyzing data from diverse sources like customer surveys, industry reports, and social media, AI systems can generate case studies that reveal trends and patterns in consumer behavior, market shifts, and operational performance.

Key Advantages of AI-Generated Case Studies

AI’s ability to handle large volumes of data and provide real-time insights offers businesses a host of benefits:

Efficiency: AI speeds up the process of generating case studies, providing businesses with valuable insights at a much quicker pace.

Cost Reduction: By automating the research process, AI reduces the need for extensive research teams, lowering operational costs.

Precision: AI systems ensure that case study findings are based on real data, helping businesses avoid the biases that can affect traditional research.

AI-Driven Case Studies Across Industries

Industries such as healthcare, finance, and retail are leveraging AI-generated case study data analysis to improve decision-making. In healthcare, for instance, AI is used to analyze patient data and outcomes, helping organizations identify best practices. In retail, AI tools examine purchasing behaviors to generate case studies that reveal consumer preferences and market trends.

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[writingcooperative]

A Case Study from one “Non-Native” English Writer Continue reading on The Writing Cooperative »

Written by Maclean Tamanda Mbepula

[whataninsecureworld]

Case Study - Safer

This case study increased the scope of security up to a national level, with us considering how to attack and how to defend Australia. The general consensus is that Australia is extremely screwed were we to be dragged to any conflict with any serious cyber power.

For the first half we had to consider the vulnerabilities and targets a foreign nation would aim for. These include:

Economical Targets

IP Theft

Research data

Designs/Prototypes

Industry equipment

Disable or damage

Especially insidious if subtle flaw introduced

Employees/Staff

Spoofing Financial Data

Damage economy

Infrastructural Targets

Electricity Grid

Power outages

Disable hardware

Malware

Water Systems

Induced droughts

Malware

Transport Systems

Train, bus, plane timetables

Internet

Misinformation

Sever submarine cables

Limited satellite connection

Military Targets

Missile systems

Communications

In particular, misinformation as well as infrastructural targets could weaken a country’s resolve to continue waging war. Misinformation can lead to infighting and inflame tensions in the country (immigrants, ethnic minorities, social classes) to weaken the country internally while infrastructure targets reduce the quality of life for the people of Australia which once again turns the public view internally rather than external.

It is important to note that Australia’s infrastructure is especially vulnerable due to our geographical isolation and lack of redundancies. Our reserves last only weeks, the internet to the rest of the world is connected by only two or three submarine cables and many of our infrastructure was not designed with the internet in mind. Without sufficient resources to operate when isolated, a naval power could easily blockade and starve Australia out quickly.

The second half of the tutorial was based on figuring out how to defend Australia against these threats. Some simple but useful strategies include adding redundancies to our available infrastructure by creating more, adding air gaps to our infrastructure such as the electrical grid to prevent remote attacks and stronger authentication for access to companies such as 2FA and enforcing a principle of least knowledge. Government agencies can also actively pen test vital companies to ensure their security standards are high. Decentralisation of our critical infrastructure such as the electrical grid would ensure if it was attacked the damage would be limited to a smaller area. Additionally early education on a security mindset would help accustom the population to be more cautious and capable of detecting certain vulnerabilities within their own actions.

More radical ideas include converting the Australian currency into crypto to prevent forgeries, searching for and either hiring or eliminating hackers (possibly on foreign soil) and forcing identity checks for the usage of the internet. These methods are radical in that they severely impact the stability of the economy, violate international relations and remove individual privacy which at the moment are not reasonable. 

[whataninsecureworld]

Case Study - Doors

The question proposed for this case study was to provide a list of recommendations in the wake of the Germanwings incident to propose changes in the industry government in order to prevent such an incident in the future. The incident was a low probability, high impact event. In general people would avoid purposefully crashing a plane, and even when such incidents happened they were mostly a result of a non-crew member. In addition there was a co-pilot which could correct any issue in the cockpit that a pilot caused. However in this instance the co-pilot was locked out and the pilot was suicidal, leading to the loss of life of everyone on board. Despite the rarity of the event the loss of life made its impact significant enough to be considered a risk and planned against.

I was able to suggest a few ideas to my team, in particular the use of biometric overrides to access the cockpit that had priority over the lockout controls in the cockpit. This was intended to prevent either the pilot or co-pilot from locking the other out of the cockpit as in normal situations both should always have access and in cases where one is rogue then the other can enter and allow access to others to help take control of the situation. However there is a flaw in this recommendation in that the biometric system could be vulnerable through the database which is used to determine whose biometrics are allowed and in cases where a captain is held hostage. These risks can be minimised by checks on the system to ensure that the captains have access to the overrides at every maintenance and the hostage situation can be avoided through another of the group’s recommendation, that the cockpit be expanded to remove the need for pilots to leave the cockpit.

Another suggestion was the addition of more pilots on planes. Despite having more pilots increasing the chance of a pilot becoming rogue, the increased number of pilots would mean there would be more people available to intervene with the actions of any one pilot. This is similar to a Hamming code in which errors can be detected and corrected provided there is a large enough code to detect the error. Instead of codes there are people and correction can come in the form of restraining. While this would drastically increase the costs for the airplane companies, given the assumption that unlimited support was behind my recommendations this could be possible.

Of the suggestions provided by the class, I found one to be particularly interesting. The introduction of psychological examinations of pilots could possibly detect these kind of issues at a relatively low cost but they introduce a set of problems related to self-interest. If the pilots were to self-report, then they would risk losing income and thus there would be no incentive for them to do so outside of moral ones. Even if they were company based examinations there would be the issue of faking or bribing the examinations.

Note that with regards to type I/II errors these kinds of recommendations are more often aimed to eliminate false negatives which results in higher false positives and a heavily increased cost to the companies. 

[whataninsecureworld]

Mass Surveillance - Yay or Nay?

Should mass surveillance or individual privacy prevail? That was the main question in the tutorial with me being on the side of being pro surveillance. Due to the glaring privacy issues initial points were focused on pushing them aside and, from the perspective of the government, forcing them onto the citizens with justifications of security and illegal activity. For example there was an argument that currently people already give out large amount of information to companies whether willingly or otherwise so why not give that information to the government which can make better use of that information and have a more direct impact on citizens. Upon considering the alternative uses of mass surveillance outside of authoritarian and security uses we realised there are more positive uses for all the information that could possibly be created. These centered around increasing efficiencies by using all the newly available information, for example recording transport usage in real time to optimise future constructions and train timetables or identifying people with health issues to provide an early response.

The opposing side proposed that the technology is flawed, with a very high error rate which could mean either false positive errors leading to arrests or false negatives which would mean the technology was useless. In addition there are large maintenance costs with storing large databases of identifying information as well as the difficulty in storing such data securely. It was also mentioned that many of the data stored, such as biometric, cannot be changed and if the data was ever obtained by a third party then all citizens would be affected for the rest of their life.

In the end it was determined that security is not a black and white issue and that the level of surveillance should be achieved at a level proportional to its context. Its just determining what the proportional level is that is hard.

[comp6841lanceyoung]

The Ugly Truth

In 1950s, the infamous couple, the Piddingtons, performed a real life example of the powers of telepathy on BBC. The segment was dubbed The Stratocruiser Broadcast.

Sydney and Lesley proved their telepathic powers by having members of the studio to write a simple sentence onto a piece of paper and place said paper inside a numbered envelope that was provided earlier. From the collection of envelopes, one was selected for Sydney to telepathically send to his wife, Lesley. To add flair to the performance, Lesley was sent to fly at cruising attitude way above in the clouds. She was searched and confirmed of having no hidden gadgets on her person.

The following message was successfully send from Sydney to Lesley as she recited the line word for word.

“Hail to thee, blithe Spirit! Bird thou never wert”

What an elegant line - so beautifully poetic, it’s absolutely magical.

But that’s exactly it - ‘magic’.

After the segment, millions of viewers began creating and discussing potential theories on how the feat was accomplished. These theories present the solution to be fantastical, elegant, and wondrous. But in reality, the truth is ugly.

First of all, the line is just too poetic - the chances of an average human being knowing such a quote and reciting it here so artfully is minimal, and on top that, that individual’s idea has to be selected from all the others. It’s not the act of communicating telepathically that gives rise to the truth, it’s the contents of the message. The message, having the perfect amount of flair for the camera suggests premeditation, suggesting that the message was never selected by the audience and was known before Lesley left the ground.

And that’s it, the illusion of choice was presented to the audience - the envelopes were nothing but an act - an envelope was already selected and was probably stored on Sydney himself. All that was required was a switch.

The reason why I think this story is important is because I’ve learnt a very simple lesson from it when thinking about magic tricks, but more generally, deceptive ploys, and hence, potentially hacking.

There is a temptation when trying to imagine potential methods to magic tricks, or maybe methods to a hack, that said methods are as elegant and marvellous as the results suggest; but the truth is ugly - they might simply just be a switch of an envelope.