The tool includes protection against return-oriented programming (ROP) attacks, an advanced technique attackers use to combine short pieces of valid code already present in a system for a malicious purpose. The defense against those kind of attacks was developed by Ivan Fratric, a researcher at the University of Zagreb, Croatia, who earned a Ph. D. in computer science. Microsoft plans to announce the winner of its BlueHat Prize security competition on Thursday. The technology was integrated in EMET within three months, Microsoft said.”]