Security Certifications and Building a Secure System…in search of the Holy Grail? Lesson 21.
Cluster Computing Basics R D Bjornson N J Carriero CS Dept, Keck HPC Resource, YCGA .
Fall 2008CS 334: Computer SecuritySlide #1 Malicious Logic Trojan Horses Viruses Worms.
Rootkits – Avoiding detection Tillmann Werner, [email protected] Seminar Computer Security, B-IT 2006-11-27.
Lecture 8: SHELL. SHELL The shell acts as an interface between the user and the kernel. When the user logs in, the login program checks the username and.
CS687 Information Systems Security Authentication By Solomon.
Building Secure Applications, Security Models, and Web Security Lesson 26.
Privileged Programs
Introduction to UNIX. 2 Introduction What is UNIX? UNIX is an operating system which was first developed in the 1960s, and has been under constant development.
Security John Black UNR Fall 2000. Security Why Security? –Adversaries (bad guys) First Example: login-screen spoofing –Make a fake login screen –Store.
MyVOCS My Virtual Organization Collaboration System John-Paul Robinson Jill Gemmill Jason Lynn
Malicious Logic