As the citizens of Hawaii came out of hiding in their bathtubs and basements Saturday morning, after learning that the emergency alert they had received, warning of an imminent nuclear missile attack, was a false alarm, their fear and panic transformed into rage. "I'm extremely angry right now. People should lose their jobs if this was an error," Hawaii State Representative Matt Lopresti told CNN.

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In the early days of 2018, the engineering team at the mobile services company Branch noticed slowdowns and errors with its Amazon Web Services cloud servers. An unexpected round of AWS server reboots in December had already struck Ian Chan, Branch's director of engineering, as odd. But the server slowdowns a few weeks later presented a more pressing concern.

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As flying, camera-wielding machines get ever cheaper and more ubiquitous, inventors of anti-drone technologies are marketing every possible idea for protection from hovering eyes in the sky: Drone-spotting radar. Drone-snagging shotgun shells. Anti-drone lasers, falcons, even drone-downing drones.

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Skype has more than 300 million monthly users, making it one of the most popular chat platforms in the world. Now, they'll all be able to benefit from a crucial privacy protection: Microsoft announced Thursday that Skype will offer end-to-end encryption for audio calls, text, and multimedia messages through a feature called Private Conversations.

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On Wednesday, in the wake of Russia's December ban from the 2018 Winter Olympics, a Russia-linked group calling itself "Fancy Bears" published a set of apparently stolen emails. They purportedly belong to officials from the International Olympic Committee, the United States Olympic Committee, and third-party groups associated with the organizations. It's not the first time Russia has lashed out at the IOC and the anti-doping agencies in the last few years.

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When WhatsApp added end-to-end encryption to every conversation for its billion users two years ago, the mobile messaging giant significantly raised the bar for the privacy of digital communications worldwide. But one of the tricky elements of encryption—and even trickier in a group chat setting—has always been ensuring that a secure conversation reaches only the intended audience, rather than some impostor or infiltrator.

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In 2013, 18-year-old Tadrae McKenzie robbed a marijuana dealer for $130 worth of pot at a local Taco Bell in Tallahassee, Florida. He and two friends had used BB guns to carry out the crime, which under Florida law constituted robbery with a deadly weapon. McKenzie braced himself to serve the minimum four years in prison.

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This week, a pair of vulnerabilities broke basic security for practically all computers. That's not an overstatement. Revelations about Meltdown and Spectre have wreaked digital havoc and left a critical mass of confusion in their wake. Not only are they terrifically complex vulnerabilities, the fixes that do exist have come in patchwork fashion. With most computing devices made in the last two decades at risk, it's worth taking stock of how the clean-up efforts are going.

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Ads that automatically redirect you from your daily browsing to a flashy sweepstakes have long been an incredibly annoying facet of the internet. But the versions that have evolved on the mobile web are particularly vexing, because they can trap you with a pop-up "notification" and nowhere to go. And a recent surge in these mobile pop-ups, even on reputable sites, has left people more frustrated than ever.

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On a cold Sunday early last month in the small Austrian city of Graz, three young researchers sat down in front of the computers in their homes, and tried to break their most fundamental security protections.

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