Sometimes bad things happen in clusters. At such times, you must have your own experts on board who have been trained, and tested to know how to handle those contingencies, and you must be able to rely on them to do it. Each department head and resident employee experts will mean the difference between defeating the adversaries (Whatever that may be) and being sunk or so critically injured reparations drain time and assists needed to hold your position in the marketplace. When there are too many crucial enemies attacking, you may need more expertise than is available on staff. That means the team needs to be supplemented by contract personnel. Executive management would be well advised to contract with professional consultants, financial experts and the like.