Chances are you’re already using some form of P2P technology: for example, Skype built its communications systems on P2P technology. P2P is also used to facilitate direct communications between computer or device users. P2P programs can be an efficient way to share large files with others, such as personal video recordings or large sets of photos. Napster was an early and famous example of P2P file sharing. Some P2P programs work only with a single P2P network. To participate, you download and install a P2P software program. In a P2P network, each ‘peer’ is an end-user’s computer connected to the other ‘peer’ via the Internet – without going through an intermediary server. P2P file sharing is the process of sharing and transferring digital files from one computer to another. ![]() Here’s a look at what P2P file sharing is, why you might use it, and how to stay safe if you do. Some P2P applications can even modify or penetrate your computer’s firewall without detection. If you aren’t careful, P2P file sharing can subject you to spyware, viruses, Trojan horses, worms and identity theft. There’s another aspect to P2P that has traditionally caused concern: computer security and privacy risks. “Illegal downloaders in federal court’s crosshairs.” “Is the free download of uTorrent legal?” “Barre man charged with promoting child pornography.” Run a Google News search on peer-to-peer file sharing, and you’d find headlines like: ![]() Since its increase in popularity in the late 1990s, P2P file sharing has had its fair share of backlash for enabling illegal activity. These are just a few of the many popular peer-to-peer (P2P) file sharing sites you’ve probably heard of.
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