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The first breach of a Microsoft Exchange Server instance was observed by cybersecurity company Volexity on 6 January 2021. [1] By the end of January, Volexity had observed a breach allowing attackers to spy on two of their customers, and alerted Microsoft to the vulnerability. After Microsoft was alerted of the breach, Volexity noted the ...
Key exchange (also key establishment) is a method in cryptography by which cryptographic keys are exchanged between two parties, allowing use of a cryptographic algorithm . In the Diffie–Hellman key exchange scheme, each party generates a public/private key pair and distributes the public key. After obtaining an authentic copy of each other's ...
In chemistry and physics, the exchange interaction is a quantum mechanical constraint on the states of indistinguishable particles. While sometimes called an exchange force, or, in the case of fermions, Pauli repulsion, its consequences cannot always be predicted based on classical ideas of force. [1] Both bosons and fermions can experience the ...
Microsoft Exchange can refer to: Microsoft Exchange Server, an email server software product from Microsoft. Microsoft Exchange Client, also once known as "Windows Messaging", the former companion client software for Exchange Server that was embedded into some versions of Microsoft Windows. Microsoft Exchange Hosted Services, an email filtering ...
A link exchange is a confederation of websites that operates similarly to a web ring. Webmasters register their websites with a central organization, that runs the exchange, and in turn receive from the exchange HTML code which they insert into their web pages. In contrast to a web ring, where the HTML code simply comprises simple circular ring ...
Ion exchange is a reversible interchange of one species of ion present in an insoluble solid with another of like charge present in a solution surrounding the solid. Ion exchange is used in softening or demineralizing of water, purification of chemicals, and separation of substances. Ion exchange usually describes a process of purification of ...
An exchange transfusion is a medical procedure that’s done by removing and replacing your blood with blood or plasma from a donor. This is done by using a catheter to transport blood into your ...
Seattle Internet Exchange. The Seattle Internet Exchange (SIX) is an Internet exchange point in Seattle, USA. Its switch fabric is centered at the Westin Building and extended to KOMO Plaza, Sabey Intergate, and other locations. [3] The SIX is one of the most successful examples of neutral and independent peering points, created as a free ...