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In security engineering, security through obscurity is the practice of concealing the details or mechanisms of a system to enhance its security. ... For example, in a ...
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".
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 .
"Security by obscurity" – similar to needle in a haystack; Random traffic – creating random data flow to make the presence of genuine communication harder to detect and traffic analysis less reliable; Each of the three types of security is important, and depending on the circumstances, any of these may be critical.
This technique is sometimes referred to as "talking around" and is a form of security through obscurity. A notable example of obfuscation of written communication is a message sent by September 11 attacks ringleader Mohamed Atta to other conspirators prior to the attacks occurring: [4] The semester begins in three more weeks.
Digital steganography output may be in the form of printed documents. A message, the plaintext, may be first encrypted by traditional means, producing a ciphertext.Then, an innocuous cover text is modified in some way so as to contain the ciphertext, resulting in the stegotext.
Port knocking cannot be used as the sole authentication mechanism for a server. From a security perspective, simple port knocking relies on security through obscurity; unintended publication of the knock sequence infers compromise of all devices supporting the sequence. Furthermore, unencrypted port knocking is vulnerable to packet sniffing.
Some encryption systems will claim to rely on a secret algorithm, technique, or device; this is categorized as security through obscurity. [2] Criticisms of this are twofold. First, a 19th century rule known as Kerckhoffs's principle , later formulated as Shannon's maxim, teaches that "the enemy knows the system" and the secrecy of a ...