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The simplest example of a challenge-response protocol is password authentication, where the challenge is asking for the password and the valid response is the correct password. An adversary who can eavesdrop on a password authentication can authenticate themselves by reusing the intercepted password. One solution is to issue multiple passwords ...
Robustness can encompass many areas of computer science, such as robust programming, robust machine learning, and Robust Security Network. Formal techniques, such as fuzz testing, are essential to showing robustness since this type of testing involves invalid or unexpected inputs. Alternatively, fault injection can be used to test robustness ...
The term was also used by OUSPG and VTT researchers taking part in the PROTOS project in the context of software security testing. [3] Eventually the term fuzzing (which security people use for mostly non-intelligent and random robustness testing) extended to also cover model-based robustness testing.
SWIFFT is an example of a hash function that circumvents these security problems. It can be shown that, for any algorithm that can break SWIFFT with probability p within an estimated time t , one can find an algorithm that solves the worst-case scenario of a certain difficult mathematical problem within time t ′ depending on t and p .
Defensive programming is a form of defensive design intended to develop programs that are capable of detecting potential security abnormalities and make predetermined responses. [1] It ensures the continuing function of a piece of software under unforeseen circumstances.
In the 2000s, security questions came into widespread use on the Internet. [1] As a form of self-service password reset, security questions have reduced information technology help desk costs. [1] By allowing the use of security questions online, they are rendered vulnerable to keystroke logging and brute-force guessing attacks, [3] as well as ...
Dynamic KBA is a high level of authentication that uses knowledge questions to verify each individual identity but does not require the person to have provided the questions and answers beforehand. Questions are compiled from public and private data such as marketing data, credit reports or transaction history.
In computing, the robustness principle is a design guideline for software that states: "be conservative in what you do, be liberal in what you accept from others". It is often reworded as: "be conservative in what you send, be liberal in what you accept".