Many businesses and government institutions use a content filtering program such as Websense to keep employees from visiting certain websites while at work. These programs can either prohibit the use of certain websites or monitor all of the sites that employees visit while in the office. Websense blocks several website categories: adult material, entertainment, drugs, …
TEMPEST stands for Transient Electromagnetic Pulse Surveillance Technology. Computers and other electronic equipment release interference to their surrounding environment. You may observe this by placing two video monitors close together. The pictures will behave erratically until you space them apart. What is important for an observer is the emission of digital pulses (zeroes and ones) …
Fake mail is e-mail which appears to be from someone other than the actual sender. Fake mail was initially usually used to stage practical jokes, but is now utilized primarily by e-mail spammers. How to Send Fake Mail To send fake mail, first `telnet` to port 25 of the machine you want the fake mail …
Personal RFID tracking units are personal tracking units that depend on RFID or Radio Frequency Identification technology. Personal RFID tracking units allow users to identify and locate objects and individuals within a specific facility or area. Although personal RFID tracking units are not as popular or as common as other forms of personal tracking units …
Anonymous proxies appear on the Internet constantly, often only to disappear rapidly when their owners discover the bandwidth cost. To help users find a current anonymous proxy server, dedicated individuals maintain anonymous proxy lists. Anonymous Proxy Server Lists We maintain our own anonymous proxy list that users can access by clicking the Proxy Sites button …
When using MSN and doing a search, you are using the Bing software which is Microsoft’s search engine. However, one of the things that you might want to do is clear your search history. Perhaps you were searching fro something on a computer that you don’t want anyone to know. Maybe you just don’t want …
Deleting recent searches–be they from Bing, Google or Yahoo–is an easy thing to do. While the steps vary a little from Internet Explorer to FireFox, for the most part, they take the same amount of time and can be found in the same place. Deleting Recent Searches in Internet Explorer Click on the tools button. …
VPN, or a Virtual Private Network, connects computers and other devices using an encrypted connection. This means that all data travelling through such a network is unreadable to anyone who might intercept the data stream, making it as private as it would be if all of the connected devices resided within the walls of a …
A Virtual Private Network (VPN) is typically used by companies, schools, and other organizations when they want to allow remote access to their servers, printers, and other network devices without compromising security. A VPN therefore extends a private network across the internet, but protects this connection by encrypting it, thereby creating what many refer to …
A proxy server is one that receives requests intended for another server and that acts on the behalf of the client (as the client proxy) to obtain the requested service. It is often used when the client and the server are incompatible for direct connection. For example, the client may be unable to meet the …