WASHINGTON, Sept 25 (Reuters) - The U.S. government's cyber defense agency has issued urgent guidance to other federal agencies over hackers exploiting a previously unknown vulnerability in Cisco ...

Commuters began reporting the issue late on Friday afternoon, when Opal was unable to top up payments for card readers. This spread to tapping onto the network, with both top-up machines and card ...

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Abstract: This paper provides an overview of the Internet of Things (IoT) with emphasis on enabling technologies, protocols, and application issues. The IoT is enabled by the latest developments in ...