Forensics occurs after a crime has taken place in order for the people in charge of the investigation to find out what happened at the crime scene and who is responsible for the crime. However, there is another type of forensics that a lot of people fail to apply when it comes to digital investigation. The type of forensics that I am talking about is called computer forensics. What is computer forensics? Well, we are going to discuss just that in this article so if you want to know more about computer forensics continue reading.
Computer forensics occurs when someone's computer is confiscated and searched for illegal data or information. In order to do a good job at computer forensics you will need to figure out if the data on the computer is illegal and if the person whom the computer belongs to is reliable for owning such information. So as you probably have guess, when it comes to internet crimes or piracy, computer forensics help catch people who broke the law. So how does it work?
It can be quite difficult to decide if information on a computer is reliable evidence to a crime since you can download data from anywhere it is hard to determine if the files were added by the person himself or if he just downloaded them off of a website. So it takes a considerable amount of time to first determine if the digital evidence is sufficient to press charges. The whole computer forensic process is quite complicated and there are many steps involved as well. However, the main technique that is used to find information on a criminal's computer is to use a program to find files that have recently been deleted. When you delete a file on your computer it does not necessarily erase all the data from the computer - there are still traces of that file that can be found and stitched together to create the original file once again. Computer forensic experts usually run various un-delete programs to help find files that could be used as evidence in a court room. Another method that computer forensic experts use is called live analysis; the process in which files on the computer are searched for using either custom built search programs or the search tools that are found in the operating system. Live analysis is quite easy to extract files when they are encrypted into the hard drive.
Either way, it is quite difficult to avoid having your files on your computer recovered and used against you in a court room. So it is important for to remember that just because you click delete on a file does not necessarily mean that it was deleted. You need to be quite careful when it comes to digital laws otherwise you could end up in prison for something you didn't even know was against the law. The best way to avoid having your digital documents recovered is to not use computers or cell phones to keep to store your data.
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