computer science

XRY (software)

XRY (software) is a computer science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand XRY (software) rather than just read about it. In short: XRY is a digital forensics and mobile device forensics product by the Swedish company MSAB used to analyze and recover information from mobile devices such as mobile phones, smartphones, GPS navigation tools and tablet computers. It consists of a hardware device with which to connect phones to a PC and software to extract the data.

Key takeaways

XRY (software) belongs to computer science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect XRY (software) to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of XRY (software) from memory before moving on to harder problems.

Reference excerpt

XRY is a digital forensics and mobile device forensics product by the Swedish company MSAB used to analyze and recover information from mobile devices such as mobile phones, smartphones, GPS navigation tools and tablet computers. It consists of a hardware device with which to connect phones to a PC and software to extract the data. XRY is designed to recover the contents of a device in a forensic manner so that the contents of the data can be relied upon by the user. Typically it is used in civil/criminal investigations, intelligence operations, data compliance and electronic discovery cases. The software is available to law enforcement, military and intelligence agencies. It has become well known in the digital forensics community as one of their common tools for this type of work. There are many more complex challenges when examining mobile phones in comparison to the forensic examination of normal computers. Many mobile phones have their own proprietary operating systems, which makes reverse engineering of such devices a very complex operation. The speed of the mobile device market also means that there are many more new devices being manufactured on a regular basis, so a mobile forensics tool must deal with all of these issues before being suitable for the task. The XRY system allows for both logical examinations (direct communication with the device operating system) and also physical examinations (bypassing the operating system and dumping available memory). Whilst the logical recovery of data is generally better supported for more devices, physical examination offers the ability to recover more deleted information such as SMS text messages, images and call records etc. Because of the complexities of the topic, specialist training is usually recommended to operate the software. The latest versions include support to recover data from smartphone apps such as the Android, iPhone and BlackBerry devices. Data recovered by XRY has been used successfully in various court systems around the world. XRY has been tested by a number of different government organizations as suitable for their needs and is now in worldwide use.

References

External links Lucie Blanchard. "Fillon et Guéant veulent "engager une lutte à armes égales" avec les délinquants" [Fillon and Guéant want to "start a fight on equal terms" with offenders] (in French). Archived from the original on May 9, 2011. What is .XRY? Micro Systemation Website

Worked examples

Example 1 — a first encounter with XRY (software)

Start with the simplest possible case. Write down what XRY (software) claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In computer science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to XRY (software) before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about XRY (software) ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of XRY (software)

In research: XRY (software) appears in computer science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses XRY (software) in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: XRY (software) is common in secondary-school and first-year university syllabi. It links to neighbouring topics Digital forensics software, Swedish inventions, so understanding it makes those chapters shorter.
In everyday life: Look for XRY (software) outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “XRY (software)” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study XRY (software) in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what XRY (software) means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain XRY (software) out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is XRY (software) in simple terms?

Why does XRY (software) matter?

Because it connects several computer science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study XRY (software)?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on XRY (software).