Category Archives: Bilgi Teknolojileri Bolumu (35) ( ITEC / CSIT)

1.1. The New Insecurity

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

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1.1.1. Who You Gonna Call?

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

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1.1.1.1. Information Sharing and Analysis Centers

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

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1.1.1.2. Vulnerable broadband

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

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1.1.1.3. No computer Is An Island

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

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1.1.2. The Sorry Trail

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

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1.1.2.1. Computer Crime

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

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Review of Frequently used UNIX Commands

REVIEW OF FREQUENTLY USED UNIX COMMANDS GENERAL COMMAND SYNTAX: $ command –[options] <arguments> DISPLAYING CONTENTS OF A DIRECTORY: $ ls      (simple form) $ ls –l   (long form) $ ls –la  [long form and all files including hidden files. (hidden filenames … Continue reading

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Lecture 1

CSIT341 LECTURE 1 INPUT/OUTPUT : OUTPUT : Uses ostream class cout is the object of the class ostream Output Operator is  << , the stream insertion  operator Can do both formatted and unformatted output   statement output   cout<<”Hello word”; … Continue reading

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Exercisec About FILES (ifstream)

FILE EXERCISES student.txt file contains student number, mt1, mt2 and final exam results 980000 50 40 60 980001 38 90 93 980007 33 42 45 980016 44 57 27 980017 46 92 86 980025 82 33 85 980031 59 70 … Continue reading

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