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Heat-free optical switch would enable optical quantum computing chips

Credit: Lucas Schweickert
In a potential boost for quantum computing and communication, a European research collaboration reported a new method of controlling and manipulating single photons without generating heat. The solution makes it possible to integrate optical switches and single-photon detectors in a single chip.
Publishing in
Nature Communications, the team reported to have developed an optical switch that is reconfigured with microscopic mechanical movement rather than heat, making the switch compatible with heat-sensitive single-photon detectors.
Optical switches in use today work by locally heating light guides inside a semiconductor chip. This approach does not work for quantum optics, says co-author Samuel Gyger, a PhD student at KTH Royal Institute of Technology in Stockholm. ....

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Cybersecurity researchers build a better 'canary trap'

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HANOVER, N.H. - March 1, 2020 - During World War II, British intelligence agents planted false documents on a corpse to fool Nazi Germany into preparing for an assault on Greece. Operation Mincemeat was a success, and covered the actual Allied invasion of Sicily.
The canary trap technique in espionage spreads multiple versions of false documents to conceal a secret. Canary traps can be used to sniff out information leaks, or as in WWII, to create distractions that hide valuable information.
WE-FORGE, a new data protection system designed at Dartmouth s Department of Computer Science, uses artificial intelligence to build on the canary trap concept. The system automatically creates false documents to protect intellectual property such as drug design and military technology. ....

United Kingdom , Dongkai Chen , Haipeng Chen , Almas Abdibayev , Deepti Poluru Guarini , Institute For Security , Dartmouth Department Of Computer Science , World War , Nazi Germany , Computer Science , Distinguished Professor , Management Information Systems , Business Economics , Pharmaceutical Sciences , Pharmaceutical Science , Intellectual Property , Technology Engineering Computer Science , Software Engineering , System Security Hackers , ஒன்றுபட்டது கிஂக்டம் , நிறுவனம் க்கு பாதுகாப்பு , டார்ட்மவுத் துறை ஆஃப் கணினி அறிவியல் , உலகம் போர் , நாஜி ஜெர்மனி , கணினி அறிவியல் , புகழ்பெற்ற ப்ரொஃபெஸர் ,

Privacy issues and security risks in Alexa Skills

With the voice commands Alexa Skills, users can load numerous extra functions onto their Amazon voice assistant. However, these Skills can often have security gaps and data protection problems, as researchers from Germany and the USA report. ....

Christopher Lentzsch , Martin Degeling , Technology Management , Carolina State University , North Carolina State University , Distributed System Security Symposium , Although Amazon , Privacy Policy , Technology Engineering Computer Science , Computer Science , System Security Hackers , தொழில்நுட்பம் மேலாண்மை , கரோலினா நிலை பல்கலைக்கழகம் , வடக்கு கரோலினா நிலை பல்கலைக்கழகம் , விநியோகிக்கப்பட்டது அமைப்பு பாதுகாப்பு சிம்போசியம் , ப்ரைவஸீ பாலிஸீ , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் , கணினி அறிவியல் , அமைப்பு பாதுகாப்பு ஹேக்கர்கள் ,

Sustainable but smartly: Tackling security and privacy issues in smart agriculture

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Credit: IEEE/CAA Journal of Automatica Sinica
According to recent estimates, there will be roughly 10 billion people to feed in 2050. Agricultural production will need to increase by almost 56% to guarantee food security globally, without converting more land for agriculture (in line with environmental and climate targets). This unprecedented challenge has ushered in the era of smart agriculture, which promises to revolutionize food production by combining agricultural techniques with information technology, automation, and artificial intelligence. This new era, called Agriculture 4.0, could ensure sustainable food production for the entire world. However, as communities gradually embrace smart agriculture, it is important to understand how to manage the security and privacy risks associated with the integration of information technology into agriculture. ....

Kai Huang , United Kingdom , Jun Wu , Jianing Chen , Edmond Nurellari , Automatica Sinica , Agricultural University , A Survey On Smart Agriculture , University Of Lincoln , Development Modes , Nanjing Agricultural University , Lei Shu , Mohamed Amine Ferrag , Smart Agriculture , Impact Factor , Control Systems , Journal Citation Reports , Clarivate Analytics , Information System , Systems Engineering , Artificial Intelligence , Technology Engineering Computer Science , Computer Science , System Security Hackers , Theory Design , Research Development ,

Location tracking apps and privacy implications

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How much personal information can our phone apps gather through location tracking? To answer this question, two researchers - Mirco Musolesi (University of Bologna, Italy) and Benjamin Baron (University College London, UK) - carried out a field study using an app specifically developed for this research. Through the app employed in the study - published in
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies - researchers were able to identify which kind of personal information the app extracted and its privacy sensitivity according to users.
Users are largely unaware of the privacy implications of some permissions they grant to apps and services, in particular when it comes to location-tracking information , explains Mirco Musolesi. Thanks to machine learning techniques, these data provide sensitive information such as the place where users live, their habits, interests, demographics, and information about users personalitie ....

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