Archive for the 'Computer Forensics' Category
The more and more you use your computer, the files and directories that are stored on your hard drive become a total mess and will take longer for your machine to find for you. This is simply resolved by defragmenting the hard drives.Windows provides a utility to do this within the operating software. It is slow but is cheap. There are better commercial programs available both paid and free if this becomes a nuisance for you. You do really need to defrag your computer regularly.
Advances in computer forensics officers are becoming so rapid that increasingly, it is not possible to hide from detection — especially if you are a criminal or wrongdoer. In the West, so much of daily life is now planned, organized, executed or recorded by advanced technology and online servers that digital traces of one’s actions are often left. Generally, these are recoverable.
Any wrongdoer using the internet for their activity is therefore vulnerable to computer forensics, as they will leave records of visits to websites, or sending of emails, via the IP legend their connection leaves. Even if this number is not registered to their name specifically, their location is traceable, adding to the capabilities of those computer forensics officers who wish to find them or to prove the miscreant’s wrongdoing after the event.
Computer forensics is a new and growing specialty that serves both the public and private sectors. Computer forensics specialists are not only competent in software related matters, but in those relating to computer hardware issues as well. Computer forensics comes into play in both ethical and criminal issues, including intellectual property law, theft, and fraud.
Computer forensics follows traditional principles for scientific investigation. Work in computer forensics is systematic, well recorded and documented, and acceptable within a court of law. The methodology of computer forensics follows several steps. The first is to identify sources of digital evidence. The second is to preserve that evidence from loss, change or corruption. The third step is the process is to analyze the evidence, and the fourth is to present the evidence within the context it is required.
Computer forensics is an emerging science that gets a lot of respect from just about everyone. While many of us believe that when we erase a document, a download, picture, or Internet history that it is really gone, it’s not. A computer forensics expert can likely recover most, if not all, the information that you have attempted to delete from your computer. Most of us will never have to worry about computer forensics, but if you are ever involved in a criminal case and you have your computer taken from you by authorities, chances are that something you have done online will come back to haunt you.
As technology improves all many computer users have a false sense of security and privacy, believing that everything they do is between them and their computer. The fact is every keystroke that you ever perform on your computer is there for good. Though there are ways to erase information from the view of the average computer users, everything you do can be found forensically. Unless you replace your hard drive in your computer you cannot do away with the things that you do on your computer. The things that can be traced with computer forensics include what programs you used, documents that you downloaded, who you received instant messages from and what those messages said, who you emailed and who emailed you as well as the contents of those emails. If you do Internet searches, what you searched for including the exact search term can be found with computer forensics.
Computer forensics is the science of retrieving, analyzing and preserving data gleaned through data storage devices on an ordinary PC. These data storage devices include the hard drive, floppy disc drives, CD/DVD drives and any other data storage device that may be in use.
Computer forensics is in a sense, the autopsy of a computer. Whereas the Medical Examiner performs an autopsy on a person to find out how he or she died, the autopsy of a computer involves discovering what data the computer contains.
Computer forensics are used in many fields, from legalities involving trade secrets to prevention of computer-related fraud; however, more and more computer forensics are being used to help solve crimes. Computer forensics have both obvious and less likely implications in a criminal court and are a helpful new tool for prosecutors and police alike.
Computer forensics use scientific methodology to protect, assess, and analyze computer data. Deleted data may be retrieved or recovered, encrypted or password protected data revealed, and damaged hardware salvaged in the pursuit of information and answers by the computer forensics specialist. Computer forensics consciously work within the rules of evidence set out by the criminal courts, thereby providing law enforcement with viable and admissible evidence within a court of law.
Computer forensics experts can help solve crimes and protect corporate security. Police, prosecutors, lawyers, the insurance industry, and many corporations use computer forensics experts to discover digital evidence of crime or corporate espionage. Computer forensics experts are even called in to battle child pornography, organized crime, and terrorism.
Computer forensics experts use scientific methodology to discover legally admissible evidence on computers, hard drives, and other digital media. Their investigations may include storage hardware, individual computer systems, and larger networks. Computer forensics experts first protect the information on the drive from intentional or accidental harm, and then assess the information, cracking passwords, encryption, and other security, if necessary. Finally, the computer forensics expert assesses the information and prepares it for presentation in either a private setting or a court of law.
These days computer forensics and police work go hand in hand. A lot of the time when the police have secured a search warrant to search the property of a suspect or person of interest, they make sure that they are allowed to confiscate all the computers on the premises. This is done because computer forensics can often nail down to the second where a person was online and what they were doing around the time of a crime. Police often rely on computer forensics to figure out whom the suspect was talking to through e-mail or instant message, what types of things they were researching, and what type of web pages they had visited recently.
In a new book on the subject, former FBI agent Mark Politt defines the field of computer forensics as being the pursuit of “evidence in cyberspace” and the “application of science to the problem of digital evidence.” Certainly, recent advances in computer forensics have revolutionized the capabilities of investigators seeking to fight and prove crime, given the increasing use of technology for organizational purposes in all our lives, including those of wrongdoers.





