What is access control?
In the fields ofphysical securityandinformation
security ,access controlis the selective restriction of
access to a place or otherresource .The act
ofaccessingmay mean consuming, entering, or using.
Permission to acc
The following list represents a basic set of hardware found in most PCs.
1. System Unit- The main part of a microcomputer, sometimes called the chassis. It
includes the following parts: Motherboard, Microprocessor, Memory Chips, Buses,
Ports, Expansion Sl
Automated suite of programs for
configuring and maintaining Unix-like
Developed by Mark Burgess of Oslo
Started in 1993; wanted to replace shell
scripts with a decl
Provide authentication for a user
that works on a workstation.
Uses secret key technology
Because public key technology still
had patent projection.
Implements authentication by
Needham & Schroeder.
On the market in versions 4 a
Acomputer security modelis a scheme for
specifying and enforcingsecurity policies. A
security model may be founded upon a formal
model of access rights, amodel of
computation, a model ofdistributed
computing, or no particular theoretical
John Erwin P. Repol
Computer System & Data Security
Steganography is the art and science of writing hidden messages in such a way that no one, apart from
the sender and intended recipient, suspects the existence of the message, a form of security t
John Erwin Repol
Information Systems and Data Security
eBay went down in a blaze of embarrassment as it
suffered this years biggest hack so far. In May, eBay
revealed that hackers had managed to steal personal records
of 233 million users.