Martyn WilliamsSenior Correspondent, IDG News Service

Martyn Williams covers technology news in text and video for PC World, Macworld and TechHive and is based in San Francisco. He previously worked for IDG News Service as a correspondent in San Francisco and Tokyo and has reported on technology news from across Asia and Europe.

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This tiny chip's 'quantum shot noise' could revolutionize mobile and IoT security

Engineers at South Korea's SK Telecom have developed a tiny chip that could help secure communications on a myriad of portable electronics and IOT devices.

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SK Telecom pushes for interoperable quantum crypto systems

SK Telecom and Nokia have developed a prototype quantum cryptography system that combines the South Korean company's quantum key server with an encryption device from Nokia.

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Sony's Xperia XZ Premium has a 4K HDR screen, super slow-mo

Sony's Xperia XZ Premium shines, quite literally. The first thing you notice about the new phone is the mirror finish that gives the device a sparkly appearance. It seems destined to require lots of polishing.

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NTT DoCoMo demos VR control of robots over 5G

At this week's Mobile World Congress in Barcelona, Japan's NTT DoCoMo is demonstrating remote control of robots via a wireless virtual reality system over a next-generation 5G wireless link.

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Akyumen's Hawk smartphone packs a projector

Over the past decade there have been several attempts to cram video projectors into smartphones. All ultimately failed, but a Silicon Valley startup reckons it has the recipe right and is hoping for a warm response from consumers when its phone debuts later this year.

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Sophos CEO sounds the alarm on enterprise ransomware attacks

Ransomware is increasingly becoming a problem for companies, and the CEO of a leading computer security company says he fears 2017 could see entire companies shut down until they pay up, or risk losing all their data.

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IBM's hub for wearables could shorten your hospital stay

Researchers at IBM have developed a hub for wearables that can gather information from multiple wearable devices and share it with a doctor, potentially cutting down on the time patients need to spend in a hospital.

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Tokyo wants to make Olympic medals from old smartphones

Japan will kick off a drive this week to collect old smartphones and other portable gadgets so that they can be turned into medals for the Tokyo 2020 Olympics and Paralympics.

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Ford to pump $1B into AI for driverless cars

Ford plans to spend $1 billion over the next five years on the development of an artificial intelligence system for driverless cars.

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FCC takes first step toward over-the-air 4K broadcasting

The Federal Communications Commission has taken the first step towards the eventual roll-out of over-the-air terrestrial 4K television broadcasting in the United States.

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Trump to sign cybersecurity order calling for government-wide review

President Donald Trump is due to sign an executive order Tuesday that gives each cabinet official more responsibility for the safety of data within their agency.

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Uber, Amazon, Tesla ramped up US lobbying in 2016

Many major tech companies spent less money lobbying in Washington in 2016, but a handful, including Uber and Amazon, invested significantly more in attempting to influence politicians and the regulatory process.

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Alt Twitter government accounts spring up to challenge Trump

Alternative facts and fake news, meet Alt-Twitter. In the last few days a growing number of Twitter accounts have been started claiming to be the "alternative" or "rogue" voices of U.S. government workers and agencies.

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Trump, May agree to take on ISIS in cyberspace

The U.K. and U.S. are planning to work more closely to combat the spread of extreme Islamist ideology in cyberspace, British Prime Minister Theresa May said on Friday.

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Alphabet earnings surge on mobile, YouTube

Alphabet reported significantly higher revenue for the fourth quarter of 2016 on the back of increased mobile and YouTube video advertising.