In response to the president’s call for help, Microsoft CEO Satya Nadella pledged to give the government $150 million in technical services to help upgrade its digital security. On the surface, it seemed a political win for the Biden administration and an instance of routine damage control from the world’s largest software company. But Microsoft’s seemingly straightforward commitment belied a more complex, profit-driven agenda, a ProPublica investigation has found. The proposal was, in fact, a calculated business maneuver designed to bring in billions of dollars in new revenue, box competitors out of lucrative government contracts and tighten the company’s grip on federal business.