Computer Forensics - New Decade, New Challenges

Computer crime has been the ugly side of the Internetconnection is almost as common as a television for
revolution and its rise cannot unfortunately, be seen asmost households in the western world and it is unusual
a surprise. There are always those who will look toto meet someone who doesn't have an e-mail
exploit and 'game' systems, look for loop holes andaddress. The widespread growth of Internet services
make a quick buck. Computers have provided criminalswhich now includes banking, grocery shopping and all
with a new arena to participate in and as a result,matter of digital media means there is a whole digital
crime-fighting techniques have had to advance andeconomy developing.
adapt to the new playing conditions and throughWith more money, banking details and personal
advanced computer forensics, the evidence suggestsinformation circulating around the globe every second
they are doing a good job of keeping up.of every day there are more opportunities for criminals
Computer forensics can also be used to proveto operate online than ever before. Computer
innocence as well as convict the guilty. A typicalforensics is one such method being used to fight crime
computer forensic investigation can involve recoveringonline and convict those participating in unscrupulous
data that was thought to be lost from hard drives andschemes. Mobile phones, PDA's and other portable
networks. Recovering data that has thought to havedevices can be analysed as well as audio visual data
been deleted, decrypting data using advancedsuch as video and sound recordings. Computer and
algorithms and building usage profiles can all be useddigital crime always leaves a trail, and it is computer
when put together to build a case against someoneforensics experts that step in, find the trail and paint
accused of a digital crime.the whole picture of what has happened - a role that
As we move into another decade there is no sign ofwill continue to be vital through the next decade and is
computer use and misuse slowing down. An internetlikely to be for many more to come.