Facebook paid a US$40,000 reward to a researcher after he warned the company that its servers were vulnerable to an exploit called ImageTragick. ImageMagick is a command-line tool that can resize, convert and optimize images in many formats. Facebook paid Andrey Leonov a $40,00 bounty, one of the largest rewards it has paid for a single vulnerability report. The company patched the flaw three days after the researcher reported it to Facebook on Oct. 16.”]