Franaszek runs the advertising research firm Adalytics based in the US. Recently, he was studying where ads for the US Department of Homeland Security end up online, and the project took him to an image-sharing website called ImgBB. There, Franaszek uncovered something sickening: sexually explicit images of a very young child, with adverts for Fortune 500 companies running alongside them.
Source: How big tech’s ad systems helped fund child abuse online