And reveals the small mistake that bricked 8.5M Windows boxes
CrowdStrike has hired two outside security firms to review the Falcon functionality that sparked a global IT outage last month – but it may not have an awful lot to find, because CrowdStrike has identified the simple mistake that caused the meltdown.
These template types are as the name suggests: Templates. They are generalized routines for each picking up different types of potentially bad activity on a system. For Falcon to use them to detect specific threats, so-called template instances are defined by CrowdStrike that customize the template routines to identify particular forms of exploitation and other bad stuff.
That info would tell Falcon how to use the template type to perform the desired detection. The root causes analysis provided a deeper look at what went wrong next: "Therefore, the attempt to access the 21st value produced an out-of-bounds memory read beyond the end of the input data array and resulted in a system crash," the security shop explained in the root cause analysis.
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