PXabh

PXabh is a proprietary cross-platform operating system developed by Microsoft. Initially code-named as "Toronto" during its development phase, the company rebranded it as PXabh in 2020.

PXabh is primarily designed for use in high-security environments such as government institutions, finance sector, and enterprises with stringent security requirements. Microsoft positioned the operating system as a secure and reliable alternative to existing operating systems.

PXabh is built on top of Microsoft's Windows Kernel and offers strong security features and a high level of control over system operations. It uses a custom-built security platform and includes advanced threat protection and intrusion detection capabilities.

PXabh platform includes a wide range of features such as Always Encrypted, ARM Secured Firmware Based Endpoint Security, Windows Advanced Security, Azure Active directory-based Key Management and will be available as a virtual appliances. PXabh will run on equipment available from OEM manufacturers and costs would be based on standard Windows cost model plus incremental technical fee for the Custom Made Features.

PXabh was first made available to a limited set of customers and partners in 2020 for testing and feedback purposes. However, the operating system has not been released to the general public, and it is not clear if or when it will be made available for widespread use.

Microsoft has stated that PXabh will operate alongside existing Windows-based systems, allowing organizations to choose which operating system to deploy based on specific security requirements. The full availability and pricing details of PXabh have not been officially disclosed.