Last week (see here) I wrote that Israel provided security for the G20 Summit in Buenos Aires. In fact, Israel Aerospace Industries (IAI) subsidiary ELTA, deployed its Drone Guard detection system and successfully blocked several suspicious drones from flying towards the global leaders.
https://www.calcalistech.com/ctech/articles/0,7340,L-3750997,00.html
https://jewishnews.timesofisrael.com/israeli-technology-effectively-prevents-attacks-during-g20/