CROWDSTRIKE UPDATE CAUSES MAJOR IT OUTAGE, TAKING OUT BANKS, AIRLINES, AND BUSINESSES ACROSS THE WORLD

Summary from the TLDR InfoSec newsletter

Businesses all over the world, from hospitals to banks and other companies, are reporting IT outages. Microsoft started noting issues on its Service Health page in the early hours of today. Shortly thereafter, outages became widespread. CrowdStrike says that a faulty update is causing crashes in Windows systems - Mac and Linux devices are unaffected. The issue stems from invalidly formatted .sys files causing the top level driver to crash. Recovery will be very difficult.