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Examples of this practice include disguising sensitive information within commonplace items, like a piece of paper in a book, or altering digital footprints, such as spoofing a web browser's version number. While not a standalone solution, security through obscurity can complement other security measures in certain scenarios. [1]
The art of concealing data in a puzzle can take advantage of the degrees of freedom in stating the puzzle, using the starting information to encode a key within the puzzle/puzzle image. For instance, steganography using sudoku puzzles has as many keys as there are possible solutions of a Sudoku puzzle, which is 6.71 × 10 21. [3]
This concept is widely embraced by cryptographers, in contrast to security through obscurity, which is not. Kerckhoffs's principle was phrased by American mathematician Claude Shannon as "the enemy knows the system", [ 1 ] i.e., "one ought to design systems under the assumption that the enemy will immediately gain full familiarity with them".
In computer security, the debate is ongoing as to the relative merits of the full disclosure of security vulnerabilities, versus a security-by-obscurity approach. There is a different (perhaps almost opposite) sense of transparency in human-computer interaction , whereby a system after change adheres to its previous external interface as much ...
Open security is the use of open source philosophies and methodologies to approach computer security and other information security challenges. [1] Traditional application security is based on the premise that any application or service (whether it is malware or desirable) relies on security through obscurity .
Simply making source code available does not guarantee review. An example of this occurring is when Marcus Ranum, an expert on security system design and implementation, released his first public firewall toolkit. At one time, there were over 2,000 sites using his toolkit, but only 10 people gave him any feedback or patches.
In information security, computer science, and other fields, the principle of least privilege (PoLP), also known as the principle of minimal privilege (PoMP) or the principle of least authority (PoLA), requires that in a particular abstraction layer of a computing environment, every module (such as a process, a user, or a program, depending on the subject) must be able to access only the ...
In academic discourse, the usage of the term “black box” dates back to at least 1963 with Mario Bunge's work on a black box theory in mathematics. [18]The term “black box,” as used throughout The Black Box Society by author and law professor, Frank Pasquale, is a dual metaphor for a recording device such as a data-monitoring system and for a system whose inner workings are secret or ...