Most Recommended Network Security Experts

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.

📌 Key Areas: Secure Software Engineering | Zero-Trust Security | Cloud & DevOps Security | AI for Cyber Defense | Research & Innovation | Cybersecurity Advocacy I am an award-winning Cybersecurity Professional and Software Engineer with about 10 years of experience building secure, resilient, and scalable systems that safeguard enterprises and critical infrastructures worldwide. At Microsoft, I have spearheaded high-impact security engineering initiatives across Azure, DevOps, and enterprise security driving innovations in zero-trust frameworks, system observability, automation, and AI-integrated security solutions. My contributions have fortified services relied upon by global customers while elevating industry standards in reliability, compliance, and risk management. Beyond corporate impact, I am deeply committed to advancing the cybersecurity community. As an advisor, trainer, and researcher, I actively contribute to academic publications, global workshops, and non-profit initiatives with multiple global organizations like CyberNGO, Mentors Without Borders, TCET, CHARUSAT, PARUL, MSU, Live2Serve and Many More, promoting cybersecurity awareness and training future leaders. Recognized with honors such as the Global Recognition Award 2025 and multiple CISO50 Innovation & Excellence Awards, my mission is to bridge research, engineering, and leadership to shape the future of digital trust and resilience.

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

Co-Founder of SG6, ITRES and DEV6. Cybersecurity consultant with a deep technical background. More than 20 years of experience in the fields of IT Security, Cybersecurity, Security Research and IT Best Practices. Dozens of acredited CVE vulnerabilities since Y2K. I publish practical offensive/defensive research: vulnerability analysis, exploitation notes, reverse engineering, and hardening/detection takeaways.

MH Mehedi Hasan is a Ethical hacker and Programmer, he is a Bangladeshi Muslim hacker. CEO and founder of 14 Gram Cyber Gang Team. He was born on 10 May 2003 in Chauddagram, Comilla. He entered the hacking world in 2018. He hacked the websites of Sugam Darshan Temple, Child Eye Specialist and Lal Baba College in India against the Hindutva group ISKCON in 2024. His main objective is to work against atheist corruption and obscenity. And protect Bangladesh from cyber attack

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.

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.

Don Warden is a seasoned cybersecurity executive and author with over 30 years of experience securing complex environments across diverse industries. His expertise spans digital forensics, cyber threat intelligence, and incident response, where he has led high-stakes investigations into ransomware attacks, insider threats, and cyber extortion. As a trusted advisor, Don has guided organizations and high-profile individuals through threat mitigation, resilience planning, and post-incident recovery. Holding advanced certifications, including Certified Ethical Hacker (CEH) and Certified Cyber Security Analyst (CCSA), along with a Master’s in Cybersecurity and Information Assurance, Don combines technical depth with strategic vision. His passion for ethical hacking and proactive defense drives his approach to strengthening security postures in an evolving digital landscape. Beyond cybersecurity, Don enjoys traveling with his family to remote destinations and is deeply committed to philanthropic efforts that make a meaningful impact on people’s lives.

Shyam Gajula is a Cybersecurity Professional specializing in Endpoint Security, Identity & Access Management (IAM), Zero Trust Architecture, and Cloud Security with 9+ years of experience securing enterprise and hybrid environments. He helps organizations strengthen security posture by implementing identity-centric architectures, continuous risk reduction frameworks, and compliance-focused controls across AWS, VDI, and distributed infrastructures. Shyam holds the AWS Certified Solutions Architect credential and has hands-on expertise in cloud security design, endpoint hardening, authentication frameworks (including SAML 2.0 / SSO), access governance, EDR/agent policy optimization, and secure cloud operations. His research and practical work focus on real-world defenses against modern threats, endpoint risk scoring, and identity-driven security automation. He is a published cybersecurity researcher, an international keynote speaker, and serves as a judge and evaluator for global cybersecurity awards and innovation competitions. Shyam frequently contributes to peer review panels and provides expert insights on best practices for Zero Trust adoption, cloud risk mitigation, and securing modern digital workplaces. Orcid Research Profile: https://orcid.org/0009-0001-4279-9629

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.

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.

Scott Altiparmak is a Senior Information Security Engineer with 8+ years of experience spanning identity and access management, email security, and cloud security, with a focus on building and automating enterprise security programs end to end. He is the creator of Threat Terminal, a live game-based research platform studying how humans detect phishing in the generative AI era, and maintains open-source tools including Enterprise-Zapp and Threat Intelligence Tarot. He serves as Director of Programming for the South Florida ISSA chapter and speaks regularly at industry and academic events including Tech Hub Pulse 2026, PBSC CyberWeek, and the PBSC Cybersecurity Symposium.

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.

I am a cybersecurity professional with over 18 years of experience in offensive security, penetration testing, and cyber defense. I focus on deeply understanding complex security challenges and developing practical, real-world solutions that strengthen organizations against evolving threats. I enjoy working across various security domains and approaching problems with a hands-on, analytical mindset. My colleagues and clients describe me as a hardworking, disciplined professional who remains calm and solution-oriented when handling high-risk incidents and challenging environments. My areas of expertise include vulnerability assessment, exploit development, incident response, network security architecture, and enterprise systems administration. I hold industry-recognized certifications such as OSCP, OSCE, GWAPT, GCIH, CCNA, and RHCE, which demonstrate my commitment to continuous learning and technical excellence.

Alexia P. Idoura is a cybersecurity expert and founder of Security Done Easy, where she helps primarily women-led and lgbtq-led small businesses protect their companies without needing to be technical. She specializes in practical risk prioritization, cyber insurance readiness, phishing and fraud prevention, AI-related security risks, and translating complex cybersecurity concepts into plain English. Alexia is a Stevie Award–winning business blogger, a frequent speaker and educator, and the creator of tools and programs that help founders make confident, informed security decisions.

Hans Study, CISSP, is a security and infrastructure consultant with more than 15 years of experience designing, auditing, and implementing secure network and physical security systems for government, law enforcement, defence, healthcare, transportation, and enterprise organizations across Canada and the United States. His work spans enterprise network architecture, cybersecurity hardening, OT/ICS network security, and physical security system design and integration. He has designed and deployed systems in high-security environments including international airports, law enforcement facilities, defence installations, border crossings, and critical infrastructure sites. Hans specializes in the convergence of IT, OT, and physical security. His technical depth covers platforms including Genetec Security Center, Software House C-CURE, Avigilon, Milestone, Axis Communications, and Bosch on the physical security side, and Cisco, Aruba, Alcatel-Lucent, Fortinet, Palo Alto Networks, and Juniper Networks on the network infrastructure side. His approach is vendor-agnostic, with recommendations driven by operational requirements rather than vendor relationships. A significant portion of his consulting work involves helping organizations achieve compliance with CMMC, ISO 27001, NIST SP 800-171, NIST SP 800-53, NERC CIP, GO-ITS, ITSG-33, and CPCSC within the real technical and organizational constraints they face. Hans has taught at the post-secondary level, delivering courses in Cisco CCNA, networking, and network security. He has trained hundreds of students, many of whom have gone on to careers in IT and networking. He has presented on cybersecurity resilience and infrastructure security at industry conferences and has supported projects valued at millions of dollars across public safety, transportation, government, defence, and enterprise environments. He operates under the brand TSG Labs (The Study Group) based in Ontario, Canada, serving clients across North America.

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.

Renze Jongman is the founder and CEO of Liberty91, an operational cyber threat intelligence platform that makes CTI accessible to mid-market security teams. He spent his early career at the Dutch National High Tech Crime Unit and was a founding member of Europol's Joint Cybercrime Action Taskforce (J-CAT), before moving into the private sector to lead strategic threat intelligence at Barclays in London and run threat intelligence consulting at Mandiant (now part of Google Cloud) across EMEA and the Middle East. He also advises the Abu Dhabi Department of Government Enablement's CTI function. Based in Abu Dhabi, he writes regularly on the practitioner realities of threat intelligence.

Franco Velasquez is the CEO and founder of HostBreach, a cybersecurity advisory firm specializing in external cyber intelligence, attack surface analysis, and intelligence-driven advisory for defense contractors and regulated organizations. His work focuses on understanding how attackers identify, prioritize, and compromise targets using publicly available intelligence, often before traditional security controls detect activity. Franco advises organizations on CMMC readiness, CUI exposure, ransomware risk, and pre-incident threat visibility, helping leaders understand real-world risk beyond checklist compliance. He has experience working with OSINT-based reconnaissance, threat actor behavior analysis, and tabletop attack simulations aligned to observed intrusion patterns. He is frequently consulted on topics including ransomware trends, external exposure management, supply chain risk, and how attackers exploit misconfigurations and unpatched systems. Franco emphasizes practical, intelligence-led decision-making that helps organizations reduce risk before incidents occur.