«Almost all of Tehran's traffic cameras had been hacked for years, their images encrypted and transmitted to servers in Tel Aviv and southern Israel, according to two people familiar with the matter. One camera had an angle that proved particularly useful, said one of the people, allowing them to determine where the men liked to park their personal cars and providing a window into the workings of a mundane part of the heavily guarded compound. Complex algorithms added details to the files of these security guards' members, including their addresses, work hours, routes they took to commute and, most importantly, who they were generally assigned to protect and transport, creating what intelligence officers call a "pattern of life".»