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People switch from their traditional telephone service to an internet telephone provider for three reasons: lower cost, new features, and more control over their telephone service. Of course, one of the best features mentioned by users is the lower cost, so you can see how some people get focused a bit too narrowly and forget [...]
Port Reporter is another cool tool from Redmond. It runs as a service in Windows XP/2003 (and also in Windows 2000 but with less functionality) and records information about which TCP and UDP ports are active on your system. Port Reporter also tells you the Windows processes that are using these ports and the security [...]
Voice over IP (VoIP) is a protocol that allows users to transmit voice data over an internet connection, essentially allowing you to make phone calls to someone without going through your telecom provider. There are many types of VoIP solutions, some requiring dedicated hardware such as the Cisco IP Phone (see Figure 1) and others [...]
Lost backup tapes may be the IT security issue du jour, but stolen laptops are a bigger and more intractable problem. Critical business data walks out the door every day on notebook computers. Increasingly, those devices are going missing. Laptops are easy targets because of their portability. That makes restricting physical access all but [...]
A flaw in the software used to remotely access computers running Microsoft Corp.’s Windows operating system could leave users vulnerable to a denial-of-service attack, the company said in a security advisory Friday. The vulnerability doesn’t allow attackers to gain control of Windows systems, but they could use it to repeatedly cause affected computers to [...]
So, have you ever had the need to erase hard drive data for good? Like when the FBI or some other three letter organization was knocking at your door with a search warrant and you had to dump all those hacked government satellite photos? Well maybe not that extreme but I’m going to show you [...]
Attackers are becoming increasingly aggressive as they look to grow their zombie armies of infected PCs, according to antivirus vendor McAfee. This week, the company reported that the number of systems infected with malicious software that allows the PC to be used for unauthorized purposes jumped by 303 percent during the second quarter of 2005 [...]
An older article, but still worth a read. Wireless networking has, in a notably short time, gone from being a minor miracle used only by the geeky elite to a mainstream technology, thanks to falling prices, newer, faster standards, and the ubiquity of broadband connections. Going wireless is cheaper and easier than ever, and the [...]
Internet users worried about spyware and adware are shunning specific sites, avoiding file-sharing networks, even switching browsers. Many have also stopped opening e-mail attachments without first making sure they are safe, the Pew Internet and American Life Project said in a study issued Wednesday. “People are scaling back on some internet activities,” said Susannah Fox, [...]