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.

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.

Karthikeyan Ramdass a seasoned cybersecurity professional with over 18 years of experience securing mission-critical systems for leading Fortune 500 companies across industries including aviation, finance, automotive, and technology. I have played a pivotal role in protecting organizations such as Southwest Airlines, Wells Fargo, Morgan Stanley, Toyota Motors North America, AIG, Cognizant, Salesforce, and Deluxe Corporation. Specializing in application security, vulnerability management, secure architecture, and supply chain defense, led the design and implementation of enterprise-scale security frameworks, CI/CD pipelines, and advanced security testing solutions. Extensive experience in SAST, DAST, SCA, zero-day vulnerability management, and penetration testing, ensuring compliance with global standards such as NIST CSF, PCI DSS, and OWASP Top 10.

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

I am a cybersecurity specialist with extensive experience protecting individuals and small businesses from digital threats. My background spans digital asset security, fraud investigation, and identity-theft mitigation, with a strong focus on safeguarding online financial environments such as cryptocurrency wallets, online banking systems, and high-risk digital platforms. I've led and advised on numerous investigations involving online scams, financial fraud, and unauthorized asset transfers, helping clients recover lost funds and strengthen their long-term security posture. My work emphasizes practical, evidence-based defense strategies, digital forensics, and proactive risk management. I regularly consults on threat prevention, privacy protection, and emerging cyber risks, offering clear guidance that bridges technical depth with real-world application.

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.

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.

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.

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.

We Expect The Unexpected - Creative Information Security Practices To Protect Your Security Blind Spots BlueSteel Cybersecurity delivers a new approach in intelligent cybersecurity protection, compliance, engineering, and strategy services. We translate the complexity of cybersecurity protection into clear and actionable insights to bridge the widening gap between organizational objectives and critical cybersecurity protection. Our enterprise-level security services are carefully engineered to help our partners prepare for future threats while meeting strict compliance requirements. We are experts in security, data, software, and IT with decades of experience analyzing and communicating complex information upon which critical decisions are made. Our goal is to prove our value – and the value of cybersecurity processes and protections – through innovative solutions that help our clients achieve their information security goals Learn more: www.bluesteelcyber.com.

I've worked in the cybersecurity industry for the last 20 years consulting for the top financial and legal services firms in the country. I have demonstrated history in design, implementation, and management of security programs to address risks across the cyber kill chain. Skilled in Security Strategy, Awareness, Emerging Security Technologies, Risk Assessments, Red Team Exercises, Governance, and Education. Primary focused on the law and finance sectors but have applicable knowledge to all industries.

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.

I began working with computers as far back as DOS and Lantastic. I started working professionally in the IT Field since 1999 and have worked with every Microsoft server since Windows NT. I now hold the role as CISO at ITRemedy/ Happy Computer where we consult with networks from single users to clients that run into the 100's of devices.

Leading UK cyber security expert as featured on BBC News, The Times radio, Daily Mail, The Guardian and The Telegraph. Partner at CyPro where we are revolutionising cyber security for high-growth companies, at every stage of their journey.Experienced CISO (Chief Information Security Officer) with over 17 years experience within cyber security. From a consulting background from KPMG and Deloitte, having led Deloitte’s Security Assurance and Compliance service line in the UK for a number of years and have experience running large security and data privacy transformation programmes in global FTSE100 firms. Jonny maintains CISM, CISSP, CISA, CRISC, CIPM, CIPP/E, Prince2 and ISO27001 accreditations and have featured as a media commentator on cyber security topics for the likes of BBC News, The Times radio, Daily Mail, The Guardian and The Telegraph.Past Clients Include: MetroBank, JP Morgan, UBS, M&G Prudential, Royal Sun Alliance, Cigna, Euroclear, Prudential, Schroders, Royal London, British Gas, William Hill, Shell, Virgin Trains, AstraZeneca, Deloitte, PTS Consulting, Grant Thornton, Wessex Water, amongst others.---------------------------------------------------I have extensive experience across information security and cybersecurity as a CISO (Chief Information Security Officer), Interim-CISO and Head of Information Security, including both strategic and operational disciplines:1. Strategic - such as Security Strategy; Target Operating Model design; Cyber Maturity Assessment; Risk & Compliance for NIS, SWIFT, GDPR, HIPAA, PCI-DSS, ISO 27001; Data Privacy; Security Awareness Training; Business Continuity Planning and Disaster Recovery; Governance, Risk, and Compliance (GRC); Security Policy Development; and Security Audits)...and;2. Operational - such as setup and running of Security Operations Centers (SOC); Incident Response; Threat Intelligence; Vulnerability Management; Security Architecture; Identity and Access Management (IAM); Intrusion Detection/Prevention Systems (IDS/IPS); Cloud Security; Endpoint Protection; Network Security and Third Party / Vendor Risk Management.