No prior information
Reproduces an external attacker's position. Measures real exposure, but spends budget on reconnaissance.
Seven lines of work. Most engagements combine two or three, because the questions a client arrives with rarely fit inside a single discipline.
Almost every engagement combines two or three. An intrusion without social engineering leaves out the most profitable vector, and a simulation without a retest changes nothing.
Reproduces an external attacker's position. Measures real exposure, but spends budget on reconnaissance.
The most efficient option in most engagements: starts from a compromised employee or supplier and goes straight for depth.
Maximum coverage per euro. Recommended when the goal is to fix or certify rather than to measure detection.
Describe the environment and the reason behind the engagement. I will reply with the recommended mode and an estimated order of effort.