Luba Vangelova

Results 1-10 of 20

Agencies Paying for PC Power

June 1, 1998 he federal government's desktop computer purchases are as varied as the government offices that make the purchases. "There's no typical configuration" for federal desktop computers, says Ashok Mehan, president of SMAC Data Systems, a computer maker based in Gaithersburg, Md. "Each agency has different needs and a different information technology...

Imaging Tools Cut the Paper Trail

December 1, 1997 he new millennium's first major census will take place in 2000, and for the first time in its history, the Census Bureau will rely on technology to read entire survey response forms. The bureau's ambitious goal is to process 1.4 billion forms in 100 days, with an accuracy rate of...

GIS Puts Information on the Map

October 1, 1997 ne challenge in reducing urban welfare rolls is that many welfare recipients live in the inner cities, while the bulk of entry-level job vacancies are in the suburbs. To see how well existing public transport could accommodate welfare recipients wanting to commute to suburban jobs, the Transportation Department turned to...

Comic Strip Tease

June 1, 1997 balding, barrel-chested manager enters a conference room and announces, "I've got an idea!" His employees simultaneously think: "We're doomed." Prelude to a recent Commerce Department meeting, perhaps? Or a meeting at the EPA? Or the IRS? None of the above: It's the opening panel of a Dilbert comic strip. But...

Disaster Recovery

May 1, 1997 he responsibility for a system includes the ability to deal with a lack of availability of the system," says Dave Kennedy, CISSP, director of research for the Carlisle, Pa.-based National Computer Security Association. Data centers and the data stored within them can become unavailable due to a natural disaster, fire...

Power Protection

May 1, 1997 he electricity that powers computer systems can sometimes be the source of security problems, rendering important computer data unavailable. Power outages are one threat; variations in the quality of the current are another problem. Blackouts, sags (short-term voltage decreases, also known as brownouts), spikes (instantaneous, dramatic increases in voltage), surges...

Security Administration Tools

May 1, 1997 aintaining the security of a vast system of information technology resources can be daunting. Fortunately, an assortment of tools are now available to help security administrators. Often several functions are bundled into one package. Security management tools can help agencies with networks of networks to centrally manage user sign-ons. "Computer...

Anti-Virus Software

May 1, 1997 omputer virus protection is a basic security measure that agencies need to implement. Viruses are unwanted computer instruction sets that covertly attach to and spread among programs and documents, with the goal of altering how a computer works. At their least destructive, they may change screen displays or slow down...


May 1, 1997 ryptography-the science of encoding messages so their content can only be understood by the intended recipient-dates back to ancient times. Today, encryption is used to transmit sensitive digital data across computer networks or, increasingly, to keep sensitive computer files private while they remain stored on a desktop or laptop computer....


May 1, 1997 lthough the term "firewall" is used by vendors in many different ways, firewalls are fundamentally an access control measure for networks. That is, they limit what people logged onto one network can do on another network that is connected to the first. Firewalls are commonly used to keep Internet users...

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