"This is the first-ever public confirmation of zero-click mercenary spyware delivered via targeted ads. We call the technique AdFection, and show how it was used to infect devices at #AlJazeera with #Candiru’s #spyware. We also uncover Discover-Tech, and show how the company helps mercenary surveillance vendors track and hack devices around the world."

https://citizenlab.ca/research/how-discover-tech-turned-targeted-ads-into-a-pipeline-for-spyware/