- The question asks about a software developed by the Centre for Development of Advanced Computing (CDAC) to safeguard against cyber attacks and data theft. - CDAC is a premier R&D organization under India's Ministry of Electronics and Information Technology, involved in various aspects of IT, including cyber security. - Around the time this question would have been relevant (leading up to 2010), CDAC was indeed involved in developing network security solutions. - Among the options, AVARODH is a name associated with network security/intrusion prevention systems developed by CDAC. The term "Avarodh" in Hindi means obstruction or hindrance, which aligns with the function of preventing cyber threats.