PC updates to keep out hackers slow some computers, Microsoft says. Is yours one? – USA TODAY

SAN FRANCISCO — As the world’s biggest computer companies release a wave of software upgrades to fix the big chip security flaws that became public last week, users have feared slowdowns in computers, games, browsers and phones. Microsoft on Tuesday …
Microsoft advises fixes for Spectre and Meltdown security flaws could cause noticeable performance hitsAppleInsider (press release) (blog)
Meltdown-Spectre: Four things every Windows admin needs to do nowZDNet
Microsoft tests show Spectre patches drag down performance on older PCsPCWorld
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