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no incidents generated since May 20?

Our Cortex XDR instance stopped generating incidents when detecting malware and other threats. (Somewhat similar to "Cortex XDR - Blocked Hashes on newer systems do not show in Incidents" - except in our case, this is across the board on all devices, for all threats and behaviors.)

(If we initiate a malware scan on the affected device, an incident is generated 🟢 for the same file that was previously blocked by Cortex with no incident. I.e. this tells us the incident creation system is not broken - rather, the usual mechanism of creating incident upon detection or blocking is not working for some reason.)

The first assumption is that something has changed on our side - i.e. we accidentally created a policy (or deleted or disabled an existing policy) - which killed the incident generation mechanism.

The 2nd - that something has changed on the back end w/o our involvement resulting in the above change of behavior.

This seems to have occurred sometime in May 2026.

The last auto-generated incident was on May 20 with no such incidents since.
Usually we get at least a few incidents a week - so this is unusual.
Several users reported blocking by Cortex XDR in late May and early June - but no incidents.
No known changes that could have resulted in this change of behavior on our side. (That said, can't rule out an accidental change.)
Initiating a malware scan on the machine on which malware was detected or blocked - resulted in incidents generated for the same files that were blocked.

In either case - where do we go to try to figure out what happened, when, and how to fix it? (Please be gentle and patient - Cortex XDR is just a small part of things on my plate, and I will likely not understand something like "go fix your BIOCs".)

Thank you!