Category Archives: CSIT 441 [ Information Systems Security ]

Since the terrorist attacks on September 11, 2001, computer security has taken on some new meanings. The first is positive. As part of a global tightening of belts and rolling up of sleeves, there emerged several outreaches designed to provide … Continue reading →

A new generation of security consultants what Business Week once termed "hackerbusters" have hung out their shingles. A number of organizations stand ready to provide expert assistance in case a computer virus outbreak threatens the Internet: Funded by the Defense … Continue reading →

Akin to CERTs, Information Sharing and Analysis Centers (ISACs) help develop and promulgate "best practices" for protecting critical infrastructures and minimizing vulnerabilities. Many industries have established ISACs to allow these critical sectors to share information and work together to help … Continue reading →

Just as corporate and government users are bonding together to provide mutual protection, however, a huge emerging class of users is expanding rapidly, and for the most part they are unprotected. As broadband Internet access becomes increasingly popular, more users … Continue reading →

While once it was easy to ignore most warnings and scares as mere nuisances because most sites were isolated and unconnected, in today’s world, few computers stand alone. Viruses occur and spread with amazing speed, sometimes spanning the globe in … Continue reading →

The story of network attacks, bugs, viruses, and criminal actions stretches as far as the computer industry itself. One of the first bugs to develop in a computer system was precisely that: a moth was found squished inside some relay … Continue reading →

Computer crime has also become a major threat to business. According to the Federal Bureau of Investigation, computer crime is the most expensive form of commercial crime. In 2003, theft of information cost over $70 million, with an average cost … Continue reading →