Facebook owner Meta Platforms Inc is calling out half a dozen private surveillance companies for hacking or other abuses, accusing them in a report published Thursday of collectively targeting about 50,000 people across its platforms.

The company's fight with the spy firms comes amid a wider move by American tech companies, US lawmakers and President Joe Biden's administration against purveyors of digital espionage services, notably the Israeli spyware company NSO Group, which was blacklisted earlier this month following weeks of revelations about how its technology was being deployed against civil society.

Meta is already suing NSO in a US court. Nathaniel Gleicher, Meta's head of security policy, told Reuters that Thursday's crackdown...