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Platform Security Architecture (PSA) Certified is a security certification scheme for Internet of Things (IoT) hardware, software, and devices. It was created by Arm Holdings , Brightsight, CAICT, Prove & Run, Riscure, TrustCB, and UL as part of a global partnership.
Mathematically, the security level access may also be expressed in terms of the lattice (a partial order set) where each object and subject have a greatest lower bound (meet) and least upper bound (join) of access rights. For example, if two subjects A and B need access to an object, the security level is defined as the meet of the levels of A ...
PSA Certified includes freely available threat models and security analyses that demonstrate the process for deciding on security features in common IoT products. [178] It also provides freely downloadable application programming interface (API) packages, architectural specifications, open-source firmware implementations, and related test suites.
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Variations of the model are expressed in percent, e.g., "150% PSA" means a monthly increase of 0.3% in the annualized prepayment rate, until the peak of 9% is reached after 30 months. The months thereafter have a constant annualized prepayment rate of 9%. 1667% PSA is roughly equivalent to 100% prepayment rate in month 30 or later.
In this matrix example there exist two processes, two assets, a file, and a device. The first process is the owner of asset 1, has the ability to execute asset 2, read the file, and write some information to the device, while the second process is the owner of asset 2 and can read asset 1.
Adobe expects foreign exchange volatility and the company's shift towards subscriptions to cut into its fiscal 2025 revenue by about $200 million. The company is making significant investments in ...
PSA software is designed to improve the performance and profitability of professional services firms. A recent end-user survey conducted by SPI Research [4] showed significant improvement in key performance indicators such as: Faster staffing and invoicing workflows; Lower project cancellation rates; Improved on-time, under-budget project ...