By Ed Tittel, Mike Chapple, James Michael Stewart
IT defense abilities are in excessive call for, and the CISSP learn consultant may give you the abilities you must pursue a winning profession as an IT defense expert. subsidized through (ICS2), CISSP was once chosen as one of many "10 most popular Certifications for 2002" through the best certification website, CertCities.com. It used to be built to validate mastery of a world normal for info safeguard. subject matters lined comprise defense structure, entry keep an eye on structures, cryptography, operations and actual safeguard, legislation, research & ethics. Written through IT safeguard specialists with years of real-world safety event, this e-book offers in-depth assurance of all reliable examination domain names and comprises countless numbers of difficult evaluation questions, digital flashcards, and a searchable digital model of the complete ebook.
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Extra resources for CISSP: Certified Information Systems Security Professional study guide
Providing a process ID number also represents the identification process. Once a subject has identified itself, the identity is accountable for any further actions by that subject. Information Technology (IT) systems track activity by identities, not by the subjects themselves. A computer doesn’t know one human from another, but it does know that your user account is different from all other user accounts. com Access Control Overview 5 Authentication is the process of verifying or testing that the claimed identity is valid.
The most common and well-known ticket system is Kerberos. Kerberos was developed under Project Athena at MIT. Its name is borrowed from Greek mythology. A threeheaded dog named Kerberos guards the gates to the underworld, but in the myth, the three-headed dog faced inward, thus preventing escape rather than preventing entrance. The Kerberos authentication mechanism centers on a trusted server (or servers) that host the functions of the Key Distribution Center (KDC), the Ticket Granting Service (TGS), and the Authentication Service (AS).
Passwords can be effective if selected intelligently and managed properly. There are two types of passwords: static and dynamic. Static passwords always remain the same. Dynamic passwords change after a specified interval of time or use. One-time passwords or single-use passwords are a variant of dynamic passwords that are changed every time they are used. As the importance of maintaining security increases, so does the need to change passwords more frequently. The longer a password remains static and the more often the same password is used, the more likely it will be compromised or discovered.