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Importance of evidence in computer forensics
The role of digital evidence
Procedures preservation of evidence
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Digital evidence is information obtained from electronic sources used in a court of law to prove or disprove charges against an individual (programs, n.d.). Digital evidence can be provided by either the prosecution as a means to prove their case or by the defense to disprove the charges placed against the defendant. Digital evidence can come from various sources. Some of the sources are personal computers whether desktop or laptop, which in the files within the hard drive could hold incriminating evidence against the defendant (Knetzger, 2008). Cellular phones is another source in which digital evidence can be discovered, not only by calls made or received but many phones are smart phones and are used as hand held computers. Another digital evidence source are portable storage media such as floppy disks, thumb drives and USB memory sticks to name a few.
In preserving digital evidence there are various issues that can occur. First if the equipment that is being sized needs to be packaged correctly to reduce the chances of destruction or deletion of information stored within ...
Forensics investigations that require the analyzation and processing of digital evidence can be influenced both positively and negatively by a number of outside sources. In this paper, we will explore how physical security plays a role in forensics investigations activities. We will start by examining how physical and environmental security might impact the forensics investigation process. Next, we will discuss the role that physical and logical security zones play in supporting effective forensics activities. We will illustrate how centralized and decentralized physical and environmental security affects the forensics professional’s approach toward the investigation. Lastly, we will evaluate some potential areas of risk related to the physical security of our case study organization, Widget Factory, identified in Attachment 1.
Evidence essentially comes in two forms: verbal or physical. For instance, verbal evidence could be spoken evidence acquired from a wiretap. Physical evidence could include DNA, blood, or bodily samples. Another reliable origin evidence is digital documentation. “As technology has become more portable and powerful, greater amounts of information are created, stored, and accessed” (GEDJ). Over the past few decades, technology has advanced to extreme levels! The most common technology used to find digital evidence are cell phones, computers, tablets, external storage devices, GPS locators, and various other devices (GEDJ). Text messages, social media posts, pictures, etc. are becoming more common data in investigations of the modern era. “Digital evidence can come from both suspects and victims, as all involved parties may have their own personal devices that are relevant to the investigation” (GEDJ). If they are available, computers, phones, social media and much more are very useful sources of gathering data for a criminal case. For instance, both the suspect and the victim may have text messages on their cell phones that could add to the search. “In some criminal cases, digital evidence can be useful if the suspect had associated with it. In some cases it can lead in the wrong direction or to the wrong people. Or it could simply be useless if the suspect didn 't use anything digital”
The last type of evidence I will discuss are documents. Everyone has a different handwriting and different characteristics that make it unique. Computers are also unique in the way they type and print out things. Document examiners can look over these and establish the similarities in the handwriting and computer forensic specialists can extract logs and other data from most devices.
In order to understand how to compile evidence for criminal cases, we must understand the most effective types of evidence. This topic is interesting because there are ample amounts of cases where defendants have gotten off because of the lack of forensic evidence. If we believe forensic evidence is so important and it affects our decisions, then maybe we need to be educated on the reality of forensic evidence. If we can be educated, then we may have a more successful justice system. If we have a more successful justice system than the public could gain more confidence that justice will be served. In order to do this, we must find what type of evidence is most effective, this can be done by examining different types of evidence.
New types of technology have made it easier to track down and catch criminals. Then also made it easier for prosecutors to gather and present more credible information. Some new technology that has made it easier to track down criminals or help provide more reliable and supportive evidence is things such as DNA testing, computer technology, fingerprinting, and GPS tracking devices. “The main strengths of technology in the criminal justice system lie in the provision of databases which allow better and more efficient records to be stored and retrieved” (Bean 370). Prosecutors now in sense have “…an infallible test of truth, a foolproof method, of determining the accuracy and reliability of evidence and hence of convictions” (Pallaras 72). These 4 technological advancement...
Forensic evidence is “evidence obtained by scientific methods …. and used in court.” Most evidence collected can be classified as either transient evidence or tangible evidence. Common types of transient evidence includes hair, fibers and glass, fingerprints, shoe prints, bare foot impressions and tire impressions, bodily fluids and skin cells, as well as gunshot residue. Some forms of tangible evidence would be firearms, fired and unfired bullets and cartridges, tool marks, drugs and drug paraphernalia, physical documents such as checks and receipts, and computers, cell phones and other devices.
The use of computers in homes, schools, offices, and other places has increased in the past few years due to technological developments. As computers have become important components of modern communication, their increased use has also led to the emergence of computer crimes. Computer crimes basically involve the use of a computer system to carry out an illegal activity. In attempts to lessen the frequency and impact of computer crimes, law enforcement agencies use computer forensic to investigate these offenses. Actually, computer crimes are governed by specific laws and dealt with through conducting a computer forensic investigation (Easttom & Taylor, 2011, p.337). Notably, a computer forensic investigation is usually carried out through the use of computer forensic tools, which help in collection of evidence based on the specific offense.
Physical evidence is any physical object that contains reliable information that supports a hypothesis about the incident. Digital evidence is physical or electronic information (such as a written or electronic documentation, computer log files, data, reports, physical hardware, software, disk images, objects and so on) are collected during the investigation conducted computer. Evidence includes, but is not limited to, computer files (such as log files or generated reports) and human-generated files (such as spreadsheets, documents, or eail
Digital Evidence is electronic data, materials, objects, property, documents, or records that are presented in court to prove or disprove allegations made against an arrestee. It takes the form of electronic data or information stored in bits and bytes on magnetic media. The examples of devices that can contain digital evidence include; cellular phones or similar all in one devices, pagers, digital voice recorders.
The aim of this report is to theoretical cover data preservation, examination of digital evidence, tools and techniques for data capture, preservation and examination with a list of recommendations.
Imagine someone born in the early 1900’s entering a modern-day classroom. They would likely be confused as to what televisions, computers, cell phones, and other electronic devices are. It is also likely that they would be overwhelmed by the instant access to information that the internet provides. Digital media has become a large part of people’s everyday lives especially with the rise of digital media in classrooms. Digital media is growing so rapidly that people who are not adapting to this shift in culture are falling behind and becoming victims of the “digital divide”, this is leaving people misinformed. Digital media has a large effect on the way that people communicate, this is especially evident in the way that students interact with
Information privacy, or data privacy is the relationship between distribution of data, technology, the public expectation of privacy, and the legal and political issues surrounding them.
... all ages do not know how to write in cursive anymore. Some students may not know how to sign their name in cursive since it wont be taught anymore. One thing that many people worry about with digital learning is that students will spend too much time in front of a screen and keyboard. It is believed that these kids will have less of a social life and will be less likely to communicate through talking, but choosing to communicate through online messaging and texting. Though students have a variety of information at their finger tips, this can cause temptation for students to plagiarize. Devices such as iPads and laptops are useful learning tools, but at the same time they can be a huge source of distractions. While students should be taking notes, they could be browsing the web, updating social media sites, watching videos, playing games or other distracting things.
Cybercrime refers to all forms of crime conducted through a computer or a mobile device using computer networks. It is thus the use of a computer with the aim of intercepting and manipulating content, disrupting communication, stealing or generally destroying others’ information or hardware through a network. Although cybercrime is a worldwide problem and affects both small and big companies, small companies are affected more from the dangers of cybercrime. The rapid advancement in technology is causing tremendous problems to businesses in terms of more sophisticated cyber-attacks. This project is interesting and beneficial because it enlightens one on the dangers of cybercrime, thus preparing individuals to know how to prevent attacks while online, how to reduce the effects of a cyber-attack and how to prevent future
As the internet has evolved it is now a part of many people’s daily lives and with that, many could not function or conduct their daily business or lives without it. It is impressive that we can now communicate and even see someone all the way across the country with just a few clicks of a mouse. But as technology changes and progresses seemingly for the good, many will always find ways to exploit technology and use it with the intent of committing crime, turning a positive tool into a negative one. As such the negative side of the World Wide Web, cybercrime has evolved as just one of the major disadvantages of the internet. Cybercrime itself is a broad term and can and does include any crime that is committed via the internet or computer network including seemingly minor acts as downloading music, to denial of service attacks, to even acts of cyber-terrorism. With the newly formed threat of cybercrime has also come new ways for law enforcement to attack and prevent it as well but with limited resources not much can be changed but to continue to prevent new methods from approaching the cybercrime world. This is not only just in our own neighborhoods but is at an international scale. This paper generates the insight about the overall rise of cybercrime among our societies. The main focus of this paper is to describe the types of computer crimes and its effects on individuals and businesses.