Fending off VoIP security problems
I'm hearing more about new kinds of attacks on the LAN, such as voice over IP (VoIP) attacks or using printers as a source of attack. How can LAN security help me prevent those attacks?
I'm hearing more about new kinds of attacks on the LAN, such as voice over IP (VoIP) attacks or using printers as a source of attack. How can LAN security help me prevent those attacks?
Video games have occasionally served as a convenient scapegoat for whatever ails youth. But just this week, the normal trickle of blame has become a torrent, with loud proclamations from many quarters that computer games are making kids violent, stup...
It seems like only yesterday that the press was talking about an Internet collapse, but it actually was more than a decade ago and happened because the press thought Bob Metcalfe was predicting the Internet was going to overload and collapse.
Cisco confirmed it is possible to eavesdrop on remote conversations using Cisco VoIP phones. In its security response, Cisco says: "an attacker with valid Extension Mobility authentication credentials could cause a Cisco Unified IP Phone configured t...
During October, UK Internet visits to social networks - such as Facebook, Bebo and MySpace - overtook visits to web-based email services - Hotmail, Gmail, etc - for the first time.
IBM and Google have both announced high-flying research projects in cloud computing -- creating virtual supercomputers to power distributed applications that customers like you can access over the Web. This idea isn't new, but it appears to be differ...
Amit Klein recently released details on DNS server cache poisoning attacks that affect both BIND (Berkeley Internet Name Domain) and Windows DNS servers. It goes to show that every time you think a problem with a well-known protocol or service has be...
Here at Network World, we use Drupal for our blogging platform. Drupal -- which runs on any platform that supports Apache (1.3+) or Internet Information Server (IIS5+) and PHP (4.3.3+), and MySQL or PostgreSQL -- is impressive in its scope</a> and th...
One of the great things about technology is that it's surprisingly easy to underestimate how strong the demand for it can become. Remember IBM CEO Thomas Watson's purported 1943 remark, "There's a world market for maybe 5 computers," and Bill Gates' ...
Gartner analyst Adam Sarner insists that he's serious when he predicts that binding [[ArtId:939030612|"virtual marriages"]] will be a reality by 2015. He says such couples -- including those who have never met in person -- will enjoy the same propert...
I received an interesting e-mail the other day. It was an advertisement for a Web site (i.e. spam) that supposedly offered Swiss watches for sale. Now I get a lot of this type of spam every day, but there was one thing that set this one apart -- it w...
If this year will be remembered for high-profile data breaches, then what troubles are in store for 2008?
Stop me if you've heard this one: The Internet arm of Al Queda is targeting 15 anti-Islamist sites on November 11, urging its followers to download the new point-and-click Electronic Jihad 2.0 software and start their attacks. (Actually, you might ha...
Recently a retired AT&T employee named Mark Klein announced at a Capitol Hill press conference that he had evidence that "An exact copy of all Internet traffic that flowed through critical AT&T cables ... was being diverted to equipment inside the se...
I've written several pieces pointing out that the issue of net neutrality is more nuanced than either proponents or opponents want you to believe. But with their characteristic cluelessness, providers have pretty much succeeded in reducing the debate...
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