The indictment against four members of the Chinese Army for allegedly hacking Equifax came after an uptick in activity originating from intelligence services.

Mandiant is pushing back against a claim in David Sanger's new book that its researched was partly aided by 'hacking back' into Chinese government systems.

Publishing research about hackers can boost a cybersecurity firm's reputation but muddle the hard work of federal law enforcement agencies. The government said the trouble is only…