CS0-003 Domain 1: Security Operations

Which ATT&CK tactic is initial access?

Multiple choice — select one answer

Answer choices

  1. a. Query proxy/DNS for rare newly seen domains
  2. b. Initial Access
  3. c. IOC hash (MD5/SHA256)
  4. d. STIX/TAXII intel feeds

Architectural breakdown & explanation

Initial Access covers entry vectors.

Correct answer(s): b. Initial Access

Exam domain: Domain 1: Security Operations (33% weight on the official guide).

Official documentation & study links

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