Recent OS X security update breaks Ethernet for most Macs

Did your Mac's Ethernet port mysteriously stop working recently? If so, you could have fallen afoul of a nasty bug that was introduced in a recent OS X security update. Here's how to fix it. As pointed out on Reddit, a recent OS X security update called "031-51913 Incompatible Kernel Extension Configuration Data 3.28.1" blacklists […] (via Cult of Mac - Tech and culture through an Apple lens)