October 14, 2025—KB5066837 (OS Build 10240.21161)

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October 14, 2025—KB5066793 (OS Builds 22621.6060 and 22631.6060)

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Trick, treat, repeat

Welcome to this week's edition of the Threat Source newsletter. This one is pretty much an updated, Halloween-themed version of my newsletter from July, including data up through Q3. October 14th has passed, so free support for Windows 10 has come to an end, leaving you with no more fixes unless...

September 23, 2025—KB5065790 (OS Build 22631.5984) Preview

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A week in security (September 1 – September 7)

Last week on Malwarebytes Labs: Nexar dashcam video database hacked Roblox introduces age checks to use communication features Give your PC a fresh start: New free tools to boost your PC’s speed, security, and peace of mind TP-Link warns of botnet infecting routers and targeting Microsoft 365...