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CIA triad versus Parkerian Hexad

12-15-2008

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CIA triad versus Parkerian Hexad

If you find a really outrageous quote about infosec, it usually comes from either Donn Parker or Winn Schwartau. (If you find a really good quote about infosec, it usually comes from Gene Spafford or Bruce Schneier.) Donn frequently makes the point that the widely used CIA triad (Confidentiality, Integrity, and Availability) is insufficient to describe the totality of what we need to consider in the infosec field, and proposes a "hexad" of confidentiality, possession, integrity, authenticity, availability, and utility.

(Note also that Donn asserts the definitions of integrity and authenticity in the Wikipedia entry are flawed.)

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ppi::token::quotelike

PPI::Token::QuoteLike(3pm)				User Contributed Perl Documentation				PPI::Token::QuoteLike(3pm)

NAME

       PPI::Token::QuoteLike - Quote-like operator abstract base class

INHERITANCE

	 PPI::Token::QuoteLike
	 isa PPI::Token
	     isa PPI::Element

DESCRIPTION

       The "PPI::Token::QuoteLike" class is never instantiated, and simply provides a common abstract base class for the five quote-like operator
       classes. In PPI, a "quote-like" is the set of quote-like things that exclude the string quotes and regular expressions.

       The subclasses of "PPI::Token::QuoteLike" are:

       qw{} - PPI::Token::QuoteLike::Words
       `` - PPI::Token::QuoteLike::Backtick
       qx{} - PPI::Token::QuoteLike::Command
       qr// - PPI::Token::QuoteLike::Regexp
       <FOO> - PPI::Token::QuoteLike::Readline

       The names are hopefully obvious enough not to have to explain what each class is. See their pages for more details.

       You may note that the backtick and command quote-like are treated separately, even though they do the same thing. This is intentional, as
       the inherit from and are processed by two different parts of the PPI's quote engine.

SUPPORT

       See the support section in the main module.

AUTHOR

       Adam Kennedy <adamk@cpan.org>

COPYRIGHT

       Copyright 2001 - 2011 Adam Kennedy.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

       The full text of the license can be found in the LICENSE file included with this module.

perl v5.10.1							    2011-02-26						PPI::Token::QuoteLike(3pm)