Top Cybersecurity Experts 2025

CISO and advisor helping FinTechs turn DORA/NIS2/PSD2, PCI DSS, ISO 27001, and GDPR into practical resilience and business value. 20+ years across architecture, incident response, and program build-out. I prioritise KPIs, clear board communication, and continuous improvement, not checkbox compliance. Highlights: led DORA/NIS2 readiness for cross-border teams (faster audits; 30%+ lower regulatory risk), stood up vCISO/vDPO programs with cloud-native controls, vendor risk, and privacy automation. Community: OWASP Riga and Cloud Security Alliance Chapter Lead. Need to get regulator-ready? Let’s connect.

CEO of TrustNet, a leading provider of cybersecurity and assurance services serving some…

Dr. Rishabh Das is an Assistant Professor at the Scripps College of Communication, Ohio University. With over a decade of hands-on experience in operating, troubleshooting, and supervising control systems in the oil and gas industry, Dr. Das has become a recognized leader in the field of cybersecurity. His award-winning work in developing security architectures and detection algorithms has significantly advanced the protection of legacy industrial controllers against cyber threats. Dr. Das's research portfolio is extensive, encompassing the virtualization of Industrial Control Systems (ICS), threat modeling, penetration testing in ICS, active network monitoring, and the application of Machine Learning (ML) in cybersecurity. His expertise has been sought after by military associations and commercial entities alike, guiding them in meeting their cybersecurity requirements for critical infrastructure.

As the Director of Cybersecurity at Fortra, I lead a distinguished team of cybersecurity experts in delivering Managed Security Programs to global clients. With over a decade of experience in the field, I bring a wealth of expertise in data protection, threat hunting, incident response, cybersecurity policy, IT solutions, and security systems.My mission is to empower organizations to safeguard their most sensitive data and assets against cyber threats while aligning with business objectives and regulatory standards. I thrive on sharing insights and knowledge through publications on diverse cybersecurity topics, ranging from the role of cyber executives to best practices in data security. As a strong advocate for AI and ML technology, I believe in the imperative need for organizations to mature and embrace these innovations. I actively collaborate with professionals and stakeholders to drive innovation and enhance industry standards.

With over 22 years of experience in the hosting industry, I've played a key role in developing and supporting several successful hosting companies. My expertise spans web hosting solutions, blockchain and cryptocurrency technologies, advanced technology infrastructure, domain name brokerage, artificial intelligence, technical writing, and strategic SEO implementation.

Cybersecurity expert with over a decade and a half of deep-dive experience, I bring an unparalleled level of understanding and expertise in strategic Cybersecurity planning, effective risk control, and pioneering product innovation. My career reflects my role as a reliable authority for organizations of all sizes, as well as an effective liaison with different regulatory bodies.

Cyber Threat Intelligence Leader | Nation-State Actor Hunter | Strategic Defense Architect With over 20 years at the forefront of cybersecurity—including senior roles in national security and government defense—I specialize in threat hunting, APT campaign attribution, and intelligence-driven defense. My career spans proactive threat detection, incident response, and mentoring high-stakes SOC/CTI teams in classified environments. I’ve led national-level threat hunting operations, correlated complex TTPs using MITRE ATT&CK, and produced actionable intelligence for executive stakeholders. My expertise includes SIEM, SOAR, threat intelligence platforms, and secure infrastructure design, with a deep focus on the MENA region’s cyber threat landscape. As the author of “Inside the Hacker Hunter’s Mind” and “Inside the Hacker Hunter’s Toolkit”, I share real-world insights into state-level threat actors, OSINT, malware analysis, and digital forensics. I’m passionate about mentoring the next generation of cyber defenders and building resilient, intelligence-led security postures. Let’s connect to discuss cybersecurity challenges, threat intelligence, or how I can contribute to your mission. Key Skills: Cyber Threat Intelligence | APT Attribution | Incident Response | Threat Hunting | SIEM/SOAR | MITRE ATT&CK | OSINT | Malware Analysis | Secure Infrastructure | Executive Reporting | Python/C# Automation | MENA Threat Context

Information and cyber security systems architect / manager with more than 20 years of practical experience, including over 10 years in corporate IT and Cybersecurity management.

Charles Edda & Charles Bouley, Inc. (CECB) is a Texas-based cybersecurity company founded in 1999. The company specializes in managed security risk assessments, including vulnerability scanning, penetration testing, and security awareness training. Its primary clients include small businesses, medical practices, and law firms. The company is currently owned and operated by Dr. Rachel Levitch, who has expanded its services to provide advanced cybersecurity solutions that integrate financial risk management and regulatory compliance. CECB's services follow industry-recognized cybersecurity frameworks such as the National Institute of Standards and Technology (NIST), ISO 27001, and CIS Controls to help organizations establish robust cybersecurity practices and culture.

Would love it if you contact me via OODA.com instead of DM here. Bob Gourley is an experienced board member, a Chief Technology Officer (CTO), Board Qualified Technical Executive (QTE), author and entrepreneur with extensive past performance in enterprise IT, corporate cybersecurity, risk mitigation in artificial intelligence and blockchain projects, and data analytics. CTO of OODA LLC, home of the OODA Network, a community of business leaders, technologists, intelligence and security professionals. Winner of InfoWorld top 25 CTO and Washingtonian Magazine's "DC Tech Titan" list.Served as the CTO for the Defense Intelligence Agency and was previously a naval intelligence officer.

Results-oriented technology leader with over 9 years of experience in Infrastructure Security, Automation, Generative AI, and Software-Defined Operations. Demonstrated ability to lead high-performing teams, streamline enterprise support, and execute strategic initiatives that enhance organizational resilience and operational efficiency. A seasoned cybersecurity professional, experienced in vulnerability and patch management at scale, with a strong track record of driving measurable, data-driven impact through intelligent automation. Skilled in designing and implementing secure, scalable, and compliant infrastructure solutions that align with business and regulatory goals. Proven expertise in project and program management, particularly within Agile and Scrum frameworks, with a focus on cross-functional collaboration, risk mitigation, and continuous improvement. Recognized for combining technical depth with strategic vision to deliver transformative outcomes in complex enterprise environments.

Specialties: Sales | Business Development | SaaS | Negotiation & Persuasion | Native Turkish Speaker | Proxy Geek | Hiring | Training | Affiliation Marketing | SEO | E-Mail Marketing | IP | Proxy

Paul is a leading Cyber Security Expert and an integral part of the SSLTrust team. He is world-renowned for his knowledge of SSL/TLS Certificates and PKI Solutions, and enterprise companies and small business clients frequently seek his expert opinion on website security.

Creating technologies and systems for Cybersecurity & Remote Work that help billions of users in thousands of organizations be able to work from anywhere using any device while maintaining a robust cybersecurity posture. With nearly 2 decades in technical leadership roles at Microsoft, Meta (Facebook), and Citrix, Punit combines research and engineering skills with creative design to conceive novel solutions that secure network, data, and systems of organizations across the globe while also enabling the 'future of work (which is increasingly remote)'. Punit builds systems and solutions that span domains such as cybersecurity, remote work enabling technologies, internet of things, networks, mobile & ubiquitous computing, observability, and large scale distributed systems. Punit works at all scales from proof-of-concept to production at internet scale, and his work has contributed to billions of devices & users. Punit is a passionate proponent & communicator of all things tech and strives to help everyone better understand & leverage technology. Punit revels in all aspects of mentoring, whether it's providing supervision and mentoring in a 1:1 situation, technology consulting, guiding a group of fresh college grads launch themselves into the tech world, or delivering an in-person presentation to a large audience. Punit has been featured in leading newspapers and magazines like USA Today, Entrepreneur, Nasdaq, and MSN. For example: - USA Today article featuring Punit: https://www.usatoday.com/story/special/contributor-content/2025/01/15/tips-from-a-cybersecurity-expert-to-protect-your-business-in-the-digital-age/77722570007 - Entrepreneur article featuring Punit: https://www.entrepreneur.com/finance/how-cybersecurity-protocols-impact-profitability-insights/483375 Punit holds 19 patents worldwide. He has also been awarded with the senior membership of IEEE. Punit's technical expertise includes cybersecurity, malware detection & prevention, threat intelligence, DDoS attack prevention, MITM attack prevention, zero trust security, web content filtering, cloud firewall, remote work enabling technologies, ZTNA, secure service edge (SSE & SASE), clientless-VPN, software defined perimeter, networks & protocols, monitoring & observability, large scale distributed systems, algorithms & problem solving.

Tiernan is dedicated to providing cybersecurity guidance to all of our customers. She brings a wealth of experience in client success, technical presales, and information security. Based in Los Angeles, her expertise lies in roles focusing on consulting and recruitment in the information technology and cybersecurity space.

Driven, goal-oriented security professional, looking to enable organizations to protect themselves from ever-present malicious cyber actors and incidents. I have an innate ability to engage customers and partners at all levels and possess refined presentation skills for audiences of all sizes. I have extensive experience in working with others as part of a team as well as in positions of leadership.

For over 20 years, I've been on the front lines of cybersecurity, working with global organisations to help them answer critical questions like: "How effective are our security measures against a cyber attack?" My passion is empowering companies to identify and fortify their attack surface. I help leadership teams evaluate their security stack's effectiveness and build actionable roadmaps. Some of the topics I cover are Enterprise cybersecurity and strategy, culture and how it impacts cyber resilience. Emerging attacks and attacker innovation in ransomware and increasingly AI security risks. This passion for sharing actionable knowledge is why I also started writing my blog. It's my way of sharing ideas and providing insights for enterprise security defenders and educate the wider community. In my day-to-day role at Pentera, I lead a team of talented security engineers. We partner with leading organisations who are ready to embrace change. As a speaker and mentor, I enjoy challenging the norms, introducing disruptive technologies, and sharing best practices to raise the bar.