Companies Struggle to Protect Their Technology Supply Chains - Wall Street Journal

Three years ago, technicians at an Apple Inc. laboratory discovered a worrisome problem with a server that was used by the company’s data-analytics division. The server, built for Apple by a company called Super Micro Computer Inc., was infected with malicious software.

Apple was a big Super Micro customer, with more than 2,000 of these servers in its data centers, but it quickly determined that the problem didn’t affect any servers outside of the single machine in its lab. The company said in a statement posted to its website...

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