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A zero trust architecture (ZTA) is an enterprise's cyber security plan that utilizes zero trust concepts and encompasses component relationships, workflow planning, and access policies. Therefore, a zero trust enterprise is the network infrastructure (physical and virtual) and operational policies that are in place for an enterprise as a ...
BeyondCorp utilized a zero trust security model, which is a relatively new security model that it assumes that all devices and users are potentially compromised. This is in contrast to traditional security models, which rely on firewalls and other perimeter defenses to protect sensitive data.
In information security, de-perimeterisation [a] is the removal of a boundary between an organisation and the outside world. [1] De-perimeterisation is protecting an organization's systems and data on multiple levels by using a mixture of encryption, secure computer protocols, secure computer systems and data-level authentication, rather than the reliance of an organization on its network ...
Zero-knowledge proofs were applied in the Zerocoin and Zerocash protocols, which culminated in the birth of Zcoin [19] (later rebranded as Firo in 2020) [20] and Zcash cryptocurrencies in 2016. Zerocoin has a built-in mixing model that does not trust any peers or centralised mixing providers to ensure anonymity. [19]
The Jericho Forum was an international group working to define and promote de-perimeterisation.It was initiated by David Lacey from the Royal Mail, and grew out of a loose affiliation of interested corporate CISOs (Chief Information Security Officers), discussing the topic from the summer of 2003, after an initial meeting hosted by Cisco, but was officially founded in January 2004.
One particular motivating example is the use of commitment schemes in zero-knowledge proofs.Commitments are used in zero-knowledge proofs for two main purposes: first, to allow the prover to participate in "cut and choose" proofs where the verifier will be presented with a choice of what to learn, and the prover will reveal only what corresponds to the verifier's choice.
[5] A trust-based decision in a specific domain is a multi-stage process. The first step of this process consists in identifying and selecting the proper input data, that is, the trust evidence. In general, these are domain-specific and are derived from an analysis conducted over the application involved. In the next step, a trust computation ...
The 5 Level Framework (5LF) is a comprehensive model for planning and decision making in complex systems based on whole systems thinking. It comprises 5 levels: 1) System, 2) Success, 3) Strategic Guidelines, 4) Actions and 5) Tools.
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