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Secure by design, in software engineering, means that software products and capabilities have been designed to be foundationally secure.. Alternate security strategies, tactics and patterns are considered at the beginning of a software design, and the best are selected and enforced by the architecture, and they are used as guiding principles for developers. [1]
The following design principles are laid out in the paper: Economy of mechanism: Keep the design as simple and small as possible. Fail-safe defaults: Base access decisions on permission rather than exclusion. Complete mediation: Every access to every object must be checked for authority. Open design: The design should not be secret.
Secured by Design was created in 1989 as a response to perceived failings of the estates built in the UK's postwar era, with two focuses: the vulnerability of certain construction methods, such as doors or glazing that were considered easy for burglars to bypass; and the wider design of housing estates or urban areas, which often incorporated pedestrian routes that were thought to create ...
In 2011, the Danish National It and Telecom Agency published a discussion paper in which they argued that privacy by design is a key goal for creating digital security models, by extending the concept to "Security by Design".
A generalization some make from Kerckhoffs's principle is: "The fewer and simpler the secrets that one must keep to ensure system security, the easier it is to maintain system security." Bruce Schneier ties it in with a belief that all security systems must be designed to fail as gracefully as possible:
Synthetic biology includes the broad redefinition and expansion of biotechnology, with the ultimate goal of being able to design and build engineered live biological systems that process information, manipulate chemicals, fabricate materials and structures, produce energy, provide food, and maintain and enhance human health, as well as advance ...
The definition of privacy engineering given by National Institute of Standards and Technology (NIST) is: [2]. Focuses on providing guidance that can be used to decrease privacy risks, and enable organizations to make purposeful decisions about resource allocation and effective implementation of controls in information systems.
Some proofs of security are in given theoretical models such as the random oracle model, where real cryptographic hash functions are represented by an idealization. There are several lines of research in provable security. One is to establish the "correct" definition of security for a given, intuitively understood task.