UNIX Security
Mark Shacklette, The University of Chicago
Physical Versus Data Versus Privacy
Importance of a Security Policy
Open Source Versus Private Vendor Issues
Keeping Up with Patches and Releases
Network Security and Firewalls
WHAT IS SECURITY?
The topic of security in general, and of UNIX security in particular, is a vast subject. The word security comes from the Latin securitas, which literally means “without care.” Thus, being secure, at least according to the Romans, meant feeling “safe,” without a care in the world. The irony is that most people, when it comes to computers, take this approach toward security initially—they feel secure, even though, in fact, it is a false sense at heart. Computer crime is a growing business, and the threat of cyberterrorism is growing at an alarming rate. Every year for the past eight years, the Computer Security Institute and the Federal Bureau of Investigation have produced a report detailing the losses incurred by a number of industries, which includes input from 530 respondents representing sectors as diverse as government, retail, medical, high-tech, transportation, telecom, financial, and manufacturing, ...
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