Amnesty International revealed this week that its Security Lab has uncovered a “sophisticated hacking campaign by a mercenary spyware company.” They say it has been running “since at least 2020” and takes aim at Android smartphones with a number of “zero-day” security vulnerabilities. (A “zero day” vulnerability is an exploit that is previously undiscovered and unmitigated.)  Amnesty International disclosed the details of the campaign to Google’s Threat Analysis Group, so it—as well as other affected companies, including Samsung—have since been…