The blackmailers, whoever they were, showed a firm grasp of data-haven dynamics. They had played cleverly on the divisions and rivalries among the havens; threatening one bank, then depositing the shakedown money in another. The havens, who naturally loathed publicity, had covered up the attacks. They were deliberately vague about the nature of the depredations. They feared publicizing their weaknesses. It was clear, too, that they suspected one another.