Shared Flashcard Set

Details

Computer Security
Fllash cards for computer security
9
Computer Science
Undergraduate 4
08/09/2007

Additional Computer Science Flashcards

 


 

Cards

Term
Computer Security
Definition
A field of security engineering
Computing in the presence of adversaries

Security maxim: "A security system is no stronger than its weakest link"
Term
Secunia
Definition
Danish computer security service provider best known for tracking vulnerabilities in more than 10,000 pieces of software and OS, also tracks currently active viruses
Term
Secunia advisory for IE
Definition
Based on 85 advisories published by Secunia between 2003-2005, about 25% of IE bugs remain unpatched. More than 40% of those are serious enough to be used in system compromise attacks.
Term
Code Red worm
Definition
Infected 1/4 million in a week(2001)-->$2 billion in lost productivity

Viruses cost over $50 billion in 2003
Term
Computers penetrated
Definition
Estimated in 2005, at least a million computers penetrated and "owned" by malicious parties; used for sending spam, phising, identity fraud
1/2 of spam sent by such zombie networks
Security is like a game of chess--often attacker get last move--we have to think like attackers
Term
SATAN(Security Administrators' Tool for Analyzing Networks)
Definition
Developed 1995--became benchmark for network security analysis for few years--but only few updates--became obsolete
SARA(Security Auditor's Research Assistant) inherited SATAN
Term
nvd.nist.gov
Definition
National Vulnerability Database
Term
Goals of Security
Definition
CIA
Confidentiality--also called as secrecy/privacy
Integrity--blocking modification, deletion, ...
Availability--defend against DOS(Denial Of Service)

In the past, C & I were on focus, A is next challenge
Above 3 can be independent, can overlap, can be mutually exclusive, sometimes conflicts each other
Term
Attacks
Definition
Security attacks
Supporting users have an ad free experience!