Apple

Résumé

Apple Inc. ( « pomme » en anglais) (anciennement Apple Computer, Inc.) est une entreprise multinationale américaine qui crée et commercialise des produits électroniques grand public, des ordinateurs personnels et des logiciels. Parmi les produits les plus connus de l'entreprise se trouvent les ordinateurs Macintosh, l'iPod, l'iPhone et l'iPad, la montre Apple Watch, le lecteur multimédia iTunes ou des logiciels à destination des professionnels tels que Final Cut Pro et Logic Pro. En 2019, l'entreprise emploie et exploite répartis dans et une boutique en ligne où sont vendus les appareils et logiciels d'Apple, mais aussi de tiers. Son chiffre d'affaires annuel pour l'année 2020 atteint . Apple est créée le dans le garage de la maison d'enfance de Steve Jobs à Los Altos en Californie par Steve Jobs, Steve Wozniak et Ronald Wayne, puis constituée sous forme de société le à l'origine sous le nom d'Apple Computer. Cependant, pour ses et pour refléter la diversification de ses produ

Source officielle

https://fr.wikipedia.org/wiki/Apple

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Cours associés (26)

The course allows students to get familiarized with the basic tools and concepts of modern microeconomic analysis. Based on graphical reasoning and analytical calculus, it constantly links to real economic issues.

This is an introductory course to computer security and privacy. Its goal is to provide students with means to reason about security and privacy problems, and provide them with tools to confront them.

This intensive course is intended for researchers who envisage to use scanning electron microscopy techniques for their research or who want to understand how to interpret SEM images and analytical results presented in scientific publications.

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Bluetooth (BR/EDR) is a pervasive technology for wireless communication used by billions of devices. The Bluetooth standard includes a legacy authentication procedure and a secure authentication procedure, allowing devices to authenticate to each other using a long term key. Those procedures are used during pairing and secure connection establishment to prevent impersonation attacks. In this paper, we show that the Bluetooth specification contains vulnerabilities enabling to perform impersonation attacks during secure connection establishment. Such vulnerabilities include the lack of mandatory mutual authentication, overly permissive role switching, and an authentication procedure downgrade. We describe each vulnerability in detail, and we exploit them to design, implement, and evaluate master and slave impersonation attacks on both the legacy authentication procedure and the secure authentication procedure. We refer to our attacks as Bluetooth Impersonation AttackS (BIAS). Our attacks are standard compliant, and are therefore effective against any standard compliant Bluetooth device regardless the Bluetooth version, the security mode (e.g., Secure Connections), the device manufacturer, and the implementation details. Our attacks are stealthy because the Bluetooth standard does not require to notify end users about the outcome of an authentication procedure, or the lack of mutual authentication. To confirm that the BIAS attacks are practical, we successfully conduct them against 31 Bluetooth devices (28 unique Bluetooth chips) from major hardware and software vendors, implementing all the major Bluetooth versions, including Apple, Qualcomm, Intel, Cypress, Broadcom, Samsung, and CSR.

IEEE COMPUTER SOC2020

Chargement

Detecting Compensatory Motions and Providing Informative Feedback During a Tangible Robot Assisted Game for Post-Stroke Rehabilitation

Barbara Bruno, Pierre Dillenbourg, Friedhelm Christoph Hummel, Hala Khodr, Ayberk Özgür, Maximilian Jonas Wessel

Gamified rehabilitation tackles the problem of keeping patients engaged in, and motivated to do physical rehabilitation to improve its efficacy. However, with respect to standard rehabilitation, patients are freer to move about and may compensate their motion difficulties with parasite movements, which would greatly reduce the efficacy of the rehabilitation. To identify and characterize compensatory motions, we collected and analyzed video data of people playing the "tangible Pacman" game (an upper-limb rehabilitation game in which a patient moves a semi-passive robot, the "Pacman", on a map to collect 6 apples, while being chased by one or two autonomous robots, the "ghosts"). Participants include 10 healthy elderly adults and 10 chronic stroke patients, who played multiple runs of the game, with different sized maps and various game configurations. By analyzing the video recordings we successfully identified higher shoulder and torso lateral tilt compensation in stroke patients and developed a proof-of-concept compensatory motion detection system which relies on a wearable Inertial Measurement Unit and ROS to provide in-game, real-time visual feedback on compensation.

IEEE2021

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Halogen shuffling in pyridines: site selective electrophilic substitutions of 2-chloro-6-(trifluoromethyl)pyridine

Fabrice Cottet

When treated with lithium diisopropylamide in THF at -85 Deg and subsequently with iodine, 2-chloro-6-(trifluoromethyl)pyridine is neatly converted into its 3-iodo deriv. The latter can be quant. isomerized to afford 2-chloro-4-iodo-6-(trifluoromethyl)pyridine. Either iodo compd. can serve as the starting material for further manipulation in reaction sequences consisting of halogen/metal exchange and electrophilic trapping. [on SciFinder (R)]

1998

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