Dr. Ondrej Krehel is recognized worldwide for his Digital Forensic expertise and Ethical Hacking. Dr. Krehel holds an Ph.D. in Computer Forensics from Police Academy in Bratislava, a Master of Science degree in Mathematical Physics from Comenius University in Bratislava, and an Engineering Diploma from Technical University in Zvolen, Slovakia.
As Featured On
Two decades of experience in security and forensics. Dr. Krehel has conducted a wide range of court expert witness testimonies (including Federal Courts such as Southern District of New York). He has headed red team exercises, cyber resilience matters, forensics investigations, including data breached through computer intrusions, theft of intellectual property, massive deletions, defragmentation, enterprise risk matters, entropy classifications, advanced file recovery and carvings, anti-money laundering, financial fraud, mathematical modeling, and computer hacking.
Blog posts by Dr. Ondrej Krehel. His experiences with information security, and real life engagements.
In the News
Articles, videos, podcasts and videos, explaining domestic and nation state threat actors and their strategies.
Dr. Krehel interviews where he shares the experiences of his years of service in the field of cybersecurity.
“Mobile security is often misrepresented by the high confidence levels of users themselves. While enterprises are adopting new mobile cybersecurity strategies, it’s the users who are the closest to the BYOD technologies, and often are responsible for their choices of action on their devices. “
Cybersecurity Expert Public Speaker
Dr. Ondrej Krehel, is recognized worldwide for his Digital Forensic expertise and Ethical Hacking. He actively participates in high-profile engagements around the world, whereby his professional experience is leveraged to achieve the most rapid root-cause analysis and remediation.
Dr. Krehel is a former lecturer at FBI Training Academy and Chief Information Security Officer of IDT911, the nation’s premier identity theft recovery and data breach management service. Dr. Krehel previously led forensic investigations and cybersecurity consulting at Stroz Friedberg encompassing US government engagements and missions, including military cyber special operations.
“Being compromised and your data exposed is becoming life’s certainty. Today, we have to consider the cyber dimension as a new element of our daily lives.”
Dr. Krehel holds an Ph.D. in Computer Forensics from Police Academy in Bratislava, a Master of Science degree in Mathematical Physics from Comenius University in Bratislava, and an Engineering Diploma from Technical University in Zvolen, Slovakia.
Dr. Krehel is a co-founder of QuBit Conference in Prague, Czech Republic, the premier event in cybersecurity resiliency, privacy, enterprise risk management and digital forensics, and is a member of the High Technology Crime Investigation Association (HTCIA), the Information Systems Security Certification Consortium (ISC) and the International Council of Electronic Commerce (EC Council). His certifications include Certified Information Systems Security Professional (CISSP), EnCase Certified Examiner (EnCE), and Certified Ethical Hacker (CEH). Dr. Krehel is one of the few to hold a Certified Ethical Hacker Instructor (CEI) accreditation, and to be authorized to lecture Ethical Hacking courses to government and private sectors.
“With cybercrime-related costs to hit $6 trillion annually by 2021 and continued high-profile breaches hit the news headlines, more organizations fear that one cyber-attack can suddenly put a stop to growth and profitability of a company—leading enterprises, are no exception. “