The work contains the first results of an ongoing study on extortion and cooperation in zero-day markets. The speaker will present a detailed overview of some inherent obstacles that market players face and describe the strategies, which allow maximizing profits.Alfonso De Gregorio is a security technologist, founder of BeeWise, and Principal Consultant at secYOUre. He also served as the chief security architect at an HSM vendor, expert at the European Commission, and visiting scholar at the Computer Security and Industrial Cryptography (COSIC) research group. He has been a speaker at Fault Diagnosis and Tolerance in Cryptography (FDTC), ISS World Prague, RSA Conference Europe, Metricon, Security by Design: From Theory to Practice, IFIPTM, and other conferences.Alfonso de Gregorio Alfonso de Gregorio