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Today's Tech: South Korea hit by cyber attack, hands on with Phillips Hue wireless lighting, Netflix v LoveFilm face-off

South Korean officials are scrambling to restore order to its IT infrastructure today after a series of cyber attacks left a number of major companies and services with their servers down. Three television broadcasters, KBS, MBS and YTN, and two banks, Nonghyup and Shinhan Bank, all reported that their networks had suddenly given way on Wednesday afternoon. Staff at the TV stations said their computers completely shut down and could not be restarted, while some claimed skulls appeared on their screens – suggesting the injection of malicious code rather than a denial of service attack as was initially suspected.

As ITProPortal stalked the aisles of the CU Exposed show in Covent Garden this week, we couldn’t help but be drawn to the brightly coloured glowing orbs towards the back of the room. We weren’t the only ones either, as the intriguing Phillips Hue wireless lighting system drew a steady throng to its stand throughout the afternoon. Picking up a plain looking Phillips light bulb doesn’t immediately give you the sense you’re handling an exciting piece of new technology, but Hue has a few tricks in the locker to make switching on the lights a decidedly more interesting experience than usual. Follow the link to see why Hue caught our eye.

There's a fair way to go until we start contemplating year-end retrospectives again, but when the time does come, we're pretty sure that we'll remember "Twitter patents Twitter" as one of 2013's most eye-catching headlines and social media trends. That was indeed the case today, however, after the wildly popular microblogging service's co-founders, Jack Dorsey and Biz Stone, got their paws on a very broad patent for a messaging system that offers "device-independent point to multipoint communication." The USPTO's decision has stimulated a heated discussion over whether such far-reaching patents are in the wider interest of innovators and their ideas. Is it squeaky bum time for Mark Zuckerberg and his cohorts? Will Twitter's success serve to spur on or stifle future social technologies? Follow the link and join the debate…

The future of video is, without question, streaming. In fact, it's here already, with millions of us film and TV-loving Brits already happily ignoring traditional broadcast schedules to stream what we want to watch when we want to watch it. And services like Netflix and Lovefilm make it exponentially easier, offering thousands of films and TV shows to choose from at any given time. But which is the superior service? John Archer measures the two video giants up against each other, comparing their pricing, availability, interfaces, picture quality and more to help you decide which one is worth your money. Read on to find out what the best option is for your film and TV streaming needs.