Mark HachmanSenior Editor, PCWorld

As PCWorld's senior editor, Mark focuses on Microsoft news and chip technology, among other beats. He has formerly written for PCMag, BYTE, Slashdot, eWEEK, and ReadWrite.

CSO > global security

NSA warns that 'BlueKeep' vulnerability in Windows XP and Windows 7 is especially dangerous

The National Security Agency has joined Microsoft in warning that a recent vulnerability for Windows 7 and Windows XP is "wormable" and can be exploited by malware without user intervention.

xbox console companion

Microsoft readies a renamed Xbox Console Companion app for Xbox management on Windows

Microsoft is informing users that it's renaming its Xbox app for Windows 10 as the "Xbox Console Companion," in preparation for new features to be announced at E3.

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Firefox beefs up security and privacy, blocking third-party trackers, Facebook cookies and more

Mozilla has beefed up Firefox's security and privacy features, blocking all third-party trackers by default for new users, and addressing Facebook cookies, password management, and other tasks as well.

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Intel dreams of the PC's future: 'Ambient PCs,' fancy fabrics, and a monster dual-display gaming rig

Meet the Intel Ambient PC, along with a new pair of dual-display concept PCs.

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Windows 10 May 2019 Update review: Sandbox and a better Windows Update improve your PC

Microsoft's latest Windows 10 May 2019 Update (aka 19H1) offers one key feature, Windows Sandbox, plus a number of minor improvements, including changes in Windows Update.

Intel twin rivers prototype

Microsoft is reportedly prepping a dual-screen Surface tablet

Microsoft is reportedly developing a dual-screen Surface tablet, code-named Centaurus, that sounds something like the "Intel" Twin Rivers concept we saw last week.

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The PCI Express 5.0 spec will bring 128 gigabytes per second to your PC, someday

The PCIe interface for storage, graphics, and other components has a new spec in version 5. It promises 128GBps throughput someday, but PCIe 3 and PCIe 4 are currently active.

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Here's what's inside Intel's boundary-pushing 'Project Athena' laptops—and why

Intel releases the basic specs of what will go into the 'Project Athena" notebooks partners will ship this fall, and describes how engineers blew up years of traditional benchmarking to arrive at them.

Intel performance maximizer

Intel teases 'Performance Maximizer' one-click overclocking tool, with insurance to back it up

Intel shows off a Performance Maximizer overclocking tool for Windows PCs, pairing it with an insurance plan that will replace Core processors damaged by overclocking.

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Microsoft OS exec puts Windows 10 Home Ultra rumors to rest

When Dell said that its 2-in-1 was powered by Windows 10 Home Ultra, the Internet began wondering if Microsoft planned a new version of Windows 10. A top Microsoft exec says that it isn't true.

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Microsoft's Pro Intellimouse for gaming puts a sassy taillight on an otherwise sober design

Microsoft has begun selling the Pro Intellimouse mouse with report rates up to 1,000 times per second. But it comes with an odd throwback USB 2.0 interface, too.

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How the Intel Ice Lake processor's new AI powers will improve your PC

Intel's Ice Lake includes optimizations for AI, which in Intel's world are not digital assistants like Cortana and Alexa. Here's what AI is, and what it can do for you.

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Intel's 'Ice Lake' 10th-gen Core CPUs boost graphics and Wi-Fi, tap AI to offset slower turbo speeds

Intel's 10th-gen Core processor, Ice Lake, balances upgrades to AI performance, graphics, Wi-Fi, and more with slower turbo speeds and a core count that remains unchanged from the prior generation.

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AMD's Lisa Su at Computex, on the record: Threadripper, Huawei, ray tracing and more

AMD chief executive Lisa Su sits down with reporters following her keynote address at Computex. Here is our transcript of the conversation.

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Qualcomm's benchmarks show Snapdragon 8cx running as fast as Intel's Core i5

Qualcomm announces "Project Limitless," a design win with Lenovo that uses its Snapdragon 8cx chip. Qualcomm also releases benchmarks to prove that the 8cx outperforms an older Intel Core i5.