Gerard Johansen is an information security professional with over a decade of experience in areas such as penetration testing, vulnerability management, threat assessment modeling, and incident response. Beginning his information security career as a cybercrime investigator, Gerard has built on that experience while working as a consultant and security analyst for clients and organizations ranging from healthcare to finance. Gerard is a graduate of Norwich University with a Masters of Science in Information Assurance, and he is a certified information systems security professional.

Gerard is currently employed with an information security consulting firm in the United States focusing on penetration testing and threat assessments. He has also contributed to several online publications focused on various aspects of penetration testing.

Lee Allen is currently working as a security architect at a prominent university. Throughout the years, he has continued his attempts to remain up to date with the latest and greatest developments in the security industry and the security community. He has several industry certifications including the OSWP and has been working in the IT industry for over 15 years.

Lee Allen is the author of Advanced Penetration Testing for Highly-Secured Environments: The Ultimate Security Guide, Packt Publishing.

Tedi Heriyanto currently works as a principal consultant in an Indonesian information security company. In his current role, he has been engaged with various penetration testing assignments in Indonesia and other countries. In his previous role, he was engaged with several well-known business institutions across Indonesia and overseas. Tedi has an excellent track record in designing secure network architecture, deploying and managing enterprise-wide security systems, developing information security policies and procedures, performing information security audits and assessments, and providing information security awareness training. In his spare time, he manages to research, learn, and participate in the Indonesian Security Community activities and has a blog http://theriyanto.wordpress.com. He shares his knowledge in the security field by writing several information security books.

Shakeel Ali is a Security and Risk Management consultant at Fortune 500. Previously, he was the key founder of Cipher Storm Ltd., UK. His expertise in the security industry markedly exceeds the standard number of security assessments, audits, compliance, governance, and forensic projects that he carries out in day-to-day operations. He has also served as a Chief Security Officer at CSS Providers SAL. As a senior security evangelist and having spent endless nights without taking a nap, he provides constant security support to various businesses, educational organizations, and government institutions globally. He is an active, independent researcher who writes various articles and whitepapers and manages a blog at Ethical-Hacker.net. Also, he regularly participates in BugCon Security Conferences held in Mexico, to highlight the best-of-breed cyber security threats and their solutions from practically driven countermeasures.