Massimo Nardone has more than 29 years of experience in information and cybersecurity for IT/OT/IoT/IIoT, web/mobile development, cloud, and IT architecture. His true IT passions are security and Android. He holds an MSc degree in computing science from the University of Salerno, Italy. Throughout his working career, he has held various positions, starting as a programming developer, and then security teacher, PCI QSA, auditor, assessor, lead IT/OT/SCADA/SCADA/cloud architect, CISO, BISO, executive, program director, OT/IoT/IIoT security competence leader, VP OT security, etc. In his last working engagement, he worked as a seasoned cyber and information security executive, CISO and OT, IoT and IIoT security competence leader helping many clients to develop and implement cyber, information, OT, IoT security activities. He is currently working as Vice President of OT Security for SSH Communications Security. He is an Apress co-author of numerous books, including Pro Spring Security, Pro JPA 2 in Java EE 8 ,Pro Android Games, and has reviewed more than 70 titles.