A broad range of threat actors, including Fancy Bear, Ghostwriter, and Mustang Panda, have launched phishing campaigns against Ukraine, Poland, and other European entities amid Russia's invasion of Ukraine. Google's Threat Analysis Group (TAG) said it took down two Blogspot domains that were used by the nation-state group FancyBear (aka APT28) – which is attributed to Russia's GRU military

A look at the companies demoing at FinovateEurope on March 15 digitally and live in London on March 22 and 23, 2022. Register today and save your spot. SESAMm is a fintech company that specializes in big data and artificial intelligence. It provides analytics and investment signals by analyzing over 17 billion web articles and messages using Read more...

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Help Ukraine Defend Peace in Europe On February 24, about 6 o’clock in the morning, Russia launched a devastating attack on Ukraine by land, sea,...

Last Thursday, on 3rd March 2022, Twitter Inc announced the expansion of its crowdsourced fact-checking and content moderation program “Birdwatch” in a blog post (1). It would make notes on potentially misleading tweets visible to more users on the platform. The micro-blogging platform launched the project named Birdwatch last year as an experiment that asked […]

WordPress push notifications is a treasured marketing tool that has helped companies to spread awareness about their services in e-commerce. It is a crucial step to invest in the accurate push notifications that are built according to your website requirements. You can’t progress without push notification services in today’s competitive world. People change their minds […]

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The importance of set pieces in football (or soccer in the US) has been on the rise in recent years: now more than one quarter of all goals are scored via set pieces. Free kicks and corners generally create the most promising situations, and some professional teams have even hired specific coaches for those parts […]

The terms chatbots and AI have now become a part of our daily conversation. In this digital era, there is hardly an industry...

Text Messaging Service has become a popular way of connecting with clients and consumers as the use of mobile phones has increased. Bulk...

How Livspace used an interior design chatbot to generate leads and slash their resolution time by 89%.The world of interior design and home renovation...

This article outlines key principles of effective co-branding in esports and gaming. A partnership between Mars Wrigley’s Skittles and Gamma Labs’ G FUEL energy drink is proposed to demonstrate how non-endemic companies can build business, boost awareness, and break into the worldwide gaming market. Here is what you should know:  Consumer brands popular among gamers […]

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Quantum 6, 653 (2022).

https://doi.org/10.22331/q-2022-02-16-653

A multiple access channel describes a situation in which multiple senders are trying to forward messages to a single receiver using some physical medium. In this paper we consider scenarios in which this medium consists of just a single classical or quantum particle. In the quantum case, the particle can be prepared in a superposition state thereby allowing for a richer family of encoding strategies. To make the comparison between quantum and classical channels precise, we introduce an operational framework in which all possible encoding strategies consume no more than a single particle. We apply this framework to an $N$-port interferometer experiment in which each party controls a path the particle can traverse. When used for the purpose of communication, this setup embodies a multiple access channel (MAC) built with a single particle. We provide a full characterization of the $N$-party classical MACs that can be built from a single particle, and we show that every non-classical particle can generate a MAC outside the classical set. To further distinguish the capabilities of a single classical and quantum particle, we relax the locality constraint and allow for joint encodings by subsets of ${1lt Kle N}$ parties. This generates a richer family of classical MACs whose polytope dimension we compute. We identify a "generalized fingerprinting inequality'' as a valid facet for this polytope, and we verify that a quantum particle distributed among $N$ separated parties can violate this inequality even when ${K=N-1}$. Connections are drawn between the single-particle framework and multi-level coherence theory. We show that every pure state with $K$-level coherence can be detected in a semi-device independent manner, with the only assumption being conservation of particle number.

Today, a large proportion of businesses around the world have an online presence, and this could be in the form of a website or social media accounts.  Lots of businesses also store customer information on encrypted online platforms. This has created an opportunity for hackers as they can easily get a hold of your documents […]

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