JumpCloud says a "sophisticated nation-state" attacker broke into its IT systems and targeted some of its customers.

The identity and access management provider, particularly popular with sysadmins wrangling Macs on corporate networks, said it first discovered signs of an intrusion on June 27. The biz at the time determined persons unknown got "unauthorized access to a specific area of our infrastructure" using a "sophisticated spear-phishing campaign" that began five days prior.