Category Archives: emergency

You’ll Really Want An “Undo” Button When You Accidentally Send A Ballistic Missile Warning

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Hawaiians started their weekend with quite a fright, waking up Saturday morning to a ballistic missile alert that turned out to be a false alarm. In between the public anger, profuse apologies from officials, and geopolitical commentary, it might be hard to find some information for the more technical-minded. For this audience, The Atlantic has compiled a brief history of infrastructure behind emergency alerts.

As a system intended to announce life-critical information when seconds count, all information on the system is prepared ahead of time for immediate delivery. As a large hodgepodge linking together multiple government IT systems, there’s no …read more

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The Tribe Protesting the Dakota Pipeline Is Ready to Defend Its Wireless Network

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“We as tribal nations have never given up our airspace.” Continue reading The Tribe Protesting the Dakota Pipeline Is Ready to Defend Its Wireless Network→

Google Reveals Windows Kernel Zero Day Under Attack

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Google today disclosed the existence of a Windows zero-day vulnerability under attack. The flaw was reported to Microsoft 10 days ago; Microsoft says the disclosure puts users at risk. Continue reading Google Reveals Windows Kernel Zero Day Under Attack→

GPS And SDR Combine Forces

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Software-defined radio (or SDR) is a relatively new (to average tinkerers, at least) way of sending and receiving radio signals. The interest in SDR exploded recently with the realization that cheap USB TV tuner cards could be used to start exploring the frequency spectrum at an extremely reduced cost. One of the reasons that this is so advantageous is because of all of the options that a general-purpose computer opens up that go beyond transmitting and receiving, as [Chris] shows with his project that ties SDR together with GPS.

The goal of the project was to automatically tune a radio …read more

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