scroll to top
Stuck on your essay?
Get ideas from this essay and see how your work stacks up
Word Count: 855
PROCESS BASED SECURITY WHAT IS IT AND HOW IT WILL CHANGE YOUR COMPUTERS LIFEThis note is for the purpose of explaining a new way to implement operating system security called process-based security First an explanation of traditional operating system security is given Next an explanation of process-based security is given Finally there are presented three examples of failure on the part of traditional security with how process-based security would not have allowed such a problemBefore talking about process-based security it is important to go over current state of the art in operating system security As operating systems are implemented today security is designed to give access to resources based on a user who has been identified When it comes time to make a resource available to a running program the operating system checks to see if the user who is associated with the program has rights to the resource No consideration is given as to what the program itself might need with regard to the requested resource This current view of security has the disadvantage of allowing programs access to resources outside of their intended use ie using a hex editor to work with accounting filesIn a process-based security system access to resources is based on the process running When the administrator of a system loads a new program onto that system heshe determines the needs of the program and sets up the security profile for it As the program runs on the system and requests access to resources its security profile is checked to determine whether the resource can be made available The operating system is not concerned with who initiated the requesting program only what the program wants User interface programs can be installed to control what programs are available to what usersIn the early days of UNIX one quick way to determine user passwords was to encrypt all the words in an English dictionary get a copy of the password file and
@Kibin is a lifesaver for my essay right now!!
- Sandra Slivka, student @ UC Berkeley
Wow, this is the best essay help I've ever received!
- Camvu Pham, student @ U of M
If I'd known about @Kibin in college, I would have gotten much more sleep
- Jen Soust, alumni @ UCLA