NEW: Meet the folks at AccessNow's Digital Security Helpline, who have been investigating government spyware abuses for more than a decade, helping journalists and dissidents all over the world.

Hassen Selmi, who heads the incident response team, told me his team looks into around 1,000 cases a year. Half of those turn into full investigations, and around 25 result in confirmed spyware infections.

Here’s how Selmi’s team fights spyware abuses.