Joseph Steinberg is a master of cybersecurity. He is one of very few people to hold the suite of security certifications including: CISSP^(R), ISSAP^(R), ISSMP^(R), and CSSLP^(R). Joseph has written several books on cybersecurity, including the previous edition of Cybersecurity For Dummies. He is currently a consultant on information security, and serves as an expert witness in related matters.