The behavior of an actor. A tactic is the highest-level description of this behavior, while techniques give a more detailed description of behavior in the context of a tactic, and procedures an even lower-level, highly detailed description in the context of a technique.
Source(s):
NIST SP 800-150
under Tactics, Techniques, and Procedures (TTPs)
The behavior of an actor. A tactic is the highest-level description of the behavior; techniques provide a more detailed description of the behavior in the context of a tactic; and procedures provide a lower-level, highly detailed description of the behavior in the context of a technique.
Source(s):
NIST SP 800-172
from
NIST SP 800-150