Microsoft said so took control of servers that a China-based hacking group was using to compromise targets that matched that country’s geopolitical interests. The hacking group, which Microsoft has dubbed Nickel, has been in Microsoft’s sights since at least 2016, and the software company has been tracking the now-halted intelligence-gathering campaign since 2019. Attacks on government agencies, think tanks and human rights organizations in the United States and 28 other countries – were “very sophisticated,” Microsoft said, and used a variety of techniques, including exploitation [vulnerabilities](//www.wired.com/tag/vulnerabilities/) in software that the targets had not yet corrected. Downstairs but not outside Late...