Should you fear the latest Mac firmware exploit?

A researcher says he's found a way to exploit a security flaw in newer Macs' boot firmware. But will malicious parties ever take advantage of it? Probably not.

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Daniele Dal monte/Thinkstock

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Glenn Fleishman is the author of dozens of books. His most recent include Take Control of Your M-Series Mac, Take Control of Securing Your Mac, Take Control of Zoom, and Six Centuries of Type and Printing. In his spare time, he makes Tiny Type Museums. He’s a senior contributor to Macworld, where he writes Mac 911.