![]() ![]() Mass.Īs a result, "Skype can use a lot of network bandwidth, which may interfere with business applications and services," said Andrea Wuchner-Bruhl, head of global IT security at Novartis Pharma AG, in Basel, Switzerland. It could also provide a channel for corporate data to be freely shared between users without any of the usual security considerations.Īlso, like other P2P applications such as KaaZaa, the connection sharing permitted by Skype makes the the host computer and the network available to others as well, said Robin Bloor, an analyst at Hurwitz & Associates in Waltham. "If you put Skype behind a firewall or Network Address Translation layer, 99 times out of 100 it will work" without any special configuration, he said.Īs a result, Skype could provide a backdoor entry into otherwise secure networks for Trojans, worms and viruses, Newton said. It's also "port agile," meaning that if a firewall port is blocked Skype will look around for other open ports that it can use to establish a connection, Newton said. ![]() Like other P2P technologies Skype allows users to establish direct connections with each other. "Skype is VoIP on steroids," capable of punching holes through many of the network defenses that companies typically deploy, said Tom Newton, product manager at SmoothWall Ltd., a Leeds, England-based vendor of firewalls and other security products. There are several reasons for the concern, industry experts said. In the meantime, business users should refrain from using "voice services based on proprietary protocols like Skype while on corporate networks because of network security issues," Gartner said in a Sept.
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