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PCDRA · Question #98

Cortex XDR automatically disables BIOC rules that reach how many hits over what period of time?

The correct answer is A. 5,000 or more hits over a 24-hour period. Cortex XDR automatically disables Behavioral Indicators of Compromise (BIOC) rules if they generate 5,000 or more hits within a 24-hour period.

Submitted by ahmad_uae· Apr 18, 2026Reporting and Tuning

Question

Cortex XDR automatically disables BIOC rules that reach how many hits over what period of time?

Options

  • A5,000 or more hits over a 24-hour period
  • B1,000 or more hits over a 24-hour period
  • C5,000 or more hits over a 12-hour period
  • D1,000 or more hits over a 12-hour period

How the community answered

(47 responses)
  • A
    94% (44)
  • C
    2% (1)
  • D
    4% (2)

Why each option

Cortex XDR automatically disables Behavioral Indicators of Compromise (BIOC) rules if they generate 5,000 or more hits within a 24-hour period.

A5,000 or more hits over a 24-hour periodCorrect

Cortex XDR implements an automatic disabling mechanism for BIOC rules that trigger excessively, specifically when they generate 5,000 or more hits over a 24-hour period. This measure prevents alert fatigue and ensures that only relevant, high-fidelity alerts are prioritized, indicating a rule that may be too broad or misconfigured.

B1,000 or more hits over a 24-hour period

1,000 or more hits over a 24-hour period is below the threshold for automatic disabling of BIOC rules in Cortex XDR.

C5,000 or more hits over a 12-hour period

While 5,000 hits is the correct quantity, the period for automatic disabling is 24 hours, not 12 hours.

D1,000 or more hits over a 12-hour period

Both the hit count (1,000) and the time period (12 hours) are incorrect for the automatic disabling threshold.

Concept tested: Cortex XDR BIOC rule management

Source: https://docs.paloaltonetworks.com/cortex/cortex-xdr/7-1/cortex-xdr-pro-admin/behavioral-indicators/bioc-rules.html#id8a4746f3-6262-4318-ae7f-99881fc1829d

Topics

#BIOC rules#Cortex XDR tuning#Alert management#Rule management

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