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Security Operations · Intermediate

Behavioral Detection

Detecting threats by analyzing actions and sequences of activity rather than static signatures.

Definition

Behavioral engines in EDR and XDR watch process trees, API calls, file modifications and network actions to identify malicious techniques such as credential dumping or mass encryption. They detect fileless and novel attacks. Tuning is needed to reduce false positives from administrative tools.

Example

An EDR blocking a process that rapidly renames and encrypts hundreds of files.

Exam tip

Behavioral/heuristic analysis is the answer for detecting unknown or fileless malware.

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