Top 20 Cybersecurity Experts in 2026

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Here’s the list of the Top 20 Cybersecurity Experts in 2026:

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20. Sandra Liu

Sandra Liu is a cybersecurity practitioner and educator who shares practical infosec training, career guidance, and hands-on resources across YouTube, LinkedIn, TikTok, and Instagram. Through the With Sandra brand she offers beginner-friendly labs, course recommendations, and real-world projects to help newcomers build skills and advance in tech with a global audience.

Favikon Authority Score : 8 360

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19. НЕДОХАКЕРЫ Lite

The creator runs a YouTube channel called НЕДОХАКЕРЫ Lite, focusing on exposing scams and fraudulent software. They engage with their audience by reviewing programs submitted by viewers and providing insights on avoiding scams. The channel features a mix of humor and educational content related to cybersecurity and software vulnerabilities. They also promote various online services and giveaways, indicating a commercial aspect to their content.

Favikon Authority Score : 8 419

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18. Rob Braxman

Rob Braxman is a public interest technologist and cybersecurity expert focused on internet privacy and digital security. He educates his audience on the dangers of mass surveillance, data mining, and the implications of emerging technologies like AI. As a licensed HAM radio operator, he also discusses alternative communication methods. His content spans various platforms, including YouTube and Twitter, where he shares insights on privacy tools and strategies to evade digital surveillance.

Favikon Authority Score : 8 455

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17. Leo

Leo is a cybersecurity expert and the owner of The PC Security Channel, which focuses on malware analysis, antivirus testing, and educational content about online security. He offers in-depth reviews, threat demonstrations, and tutorials designed to enhance cybersecurity awareness. Engaging with a community on Discord, Leo emphasizes practical cybersecurity solutions for both individuals and businesses, showcasing a commitment to improving digital safety.

Favikon Authority Score : 8 488

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16. Can Deger

Can Deger is a cybersecurity expert and content creator based in Copenhagen, Denmark. He shares insights on technology, software, and cybersecurity through various platforms, including YouTube and Instagram. His content often includes educational videos, personal experiences in the cybersecurity field, and discussions on tech trends. He engages with his audience through live streams and interactive posts, focusing on practical advice and industry knowledge.

Favikon Authority Score : 8 502

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15. John Hammond

John Hammond is a cybersecurity researcher and educator, known for his engaging content on ethical hacking and cybersecurity education. He works with Huntress Labs and has a background in teaching at the Department of Defense Cyber Training Academy. His social media presence includes programming tutorials, CTF walkthroughs, and insights into cybersecurity threats. He actively promotes free training resources and participates in security conferences, making him a prominent figure in the cybersecurity community.

Favikon Authority Score : 8 511

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14. Mikko Hypponen

Mikko Hypponen is a prominent technology speaker and author, serving as the Chief Research Officer at WithSecure. With over 30 years in cybersecurity, he has built labs, investigated cases, and contributed to major publications like the New York Times and Wired. He is a sought-after speaker at top conferences, including TED and RSA, and has authored books on cybersecurity. His posts often discuss current cybersecurity issues, AI implications, and his speaking engagements.

Favikon Authority Score : 8 513

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13. Abhishek Sagar

Abhishek Sagar, known as Technical Sagar, is a self-taught ethical hacker and YouTuber from India. He specializes in internet security and ethical hacking, sharing his knowledge through Hindi-language tutorials. His content includes tech reviews, ethical hacking courses, and insights on telecom services in India. He engages with his audience through various social media platforms, focusing on educating viewers about technology and cybersecurity.

Favikon Authority Score : 8 531

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12. Matt Johansen

Matt Johansen is a cybersecurity expert and the Head of Software Security at Reddit. He focuses on securing the internet and educating organizations on cybersecurity best practices. He runs a cybersecurity media brand, Vulnerable U, which includes a popular newsletter and social media content. His posts cover current events in infosec, app security, and cloud security, often highlighting vulnerabilities and security threats. He engages with a community of over 20k professionals through his newsletter.

Favikon Authority Score : 8 538

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11. Adam Jícha

Adam Jícha is a content creator since 2007, focusing on technology, gaming, and internet culture. He hosts the podcast 'Temný Internet' and explores the dark web, sharing insights on social media trends and tech news. His YouTube channel features updates on UFOs, gaming, and internet phenomena, engaging a community interested in these topics. He promotes his merchandise and collaborates with brands like Godlike and HAL3000.

Favikon Authority Score : 8 549

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10. María Aperador Montoya

María Aperador Montoya is a criminologist specializing in cybersecurity, with a strong social media presence educating over 270K followers on Instagram. She focuses on preventing cybercrime and empowering individuals and companies to protect themselves online. As the founder of Bevalk, she is developing a unique cybersecurity app centered on user needs. Her content includes practical tips, insights on digital threats, and discussions on the importance of cybersecurity awareness, making her a key figure in the field.

Favikon Authority Score : 8 602

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09. Jadi Mirmirani

Jadi Mirmirani is a seasoned programmer and educator with a focus on Linux, system administration, and cybersecurity. He shares insights on programming, technology, and digital rights through various platforms, including YouTube and Instagram. His content often emphasizes the importance of free speech, human rights, and the significance of data control. He engages with his audience through educational videos, podcasts, and social media posts, promoting a culture of learning and sharing knowledge in the tech community.

Favikon Authority Score : 8 626

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08. Salem Alharbi

Salem Alharbi is a Saudi cybersecurity expert and tech content creator. He specializes in providing insights on information security, technology reviews, and consultations. His social media presence focuses on educating users about privacy, data protection, and the latest tech news, often warning against potential online threats and hacks. He actively engages with his audience through various platforms, sharing tips and solutions for tech-related issues.

Favikon Authority Score : 8 684

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07. Wit Kasperek

Wit Kasperek is a Polish content creator focused on cybersecurity and social commentary. His TikTok and YouTube posts often blend humor with insightful observations about societal issues, including health, urban life, and personal anecdotes. He engages with a wide audience through entertaining and informative content, often addressing contemporary topics in Poland. His posts reflect a casual style, appealing to a diverse demographic interested in both entertainment and education.

Favikon Authority Score : 8 695

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06. Ed Low Level

A security engineer and hacker with a strong online presence, focusing on cybersecurity and software security. He shares insights through videos on YouTube, discussing vulnerabilities, hacking techniques, and security education. With over 870k subscribers, he promotes his courses and platforms for aspiring hackers, emphasizing practical skills in offensive security. His content is technical and educational, appealing to those interested in cybersecurity and programming.

Favikon Authority Score : 8 701

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05. Ryan McBeth

Ryan McBeth is an intelligence analyst and software architect who creates content focused on cybersecurity, military topics, and programming. He is a contributor to NEWSMAX and has authored a novel titled 'The Win Machine.' His social media presence includes detailed analyses of military spending, defense strategies, and geopolitical issues, often critiquing mainstream narratives. He engages with his audience through YouTube, Twitter, and Instagram, sharing insights and promoting discussions on current events and military technology.

Favikon Authority Score : 8 825

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04. Mohamed Hamdi Ouardi

Mohamed Hamdi Ouardi is a cybersecurity expert and educator with over 93K followers. He specializes in information security, cybersecurity architecture, and training. As a university instructor and TEDx speaker, he shares insights on ethical hacking, cloud security, and vulnerability analysis. His content includes free resources for cybersecurity certifications and practice exams, aimed at enhancing skills for IT professionals. He is recognized as a top content creator in cybersecurity on LinkedIn.

Favikon Authority Score : 8 891

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03. Caitlin Sarian

A cybersecurity advocate focused on online safety and data privacy. She shares tips on deleting personal data from the internet and empowers women to enter STEM fields. Her content includes explanations of cybersecurity incidents and practical advice for protecting personal information. She actively promotes the Cyber Career Club, aiming to increase female representation in technology.

Favikon Authority Score : 8 919

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02. Robert Herjavec

Robert Herjavec is an Emmy Award-winning entrepreneur, investor, and cybersecurity expert, known for his role as the lead Shark on Shark Tank. He has authored multiple books and is recognized for mentoring startups. His social media presence emphasizes personal growth, resilience, and the importance of hard work. He shares motivational insights and lessons learned from his journey, often highlighting the value of family and community. His content is focused on entrepreneurship, cybersecurity, and personal development.

Favikon Authority Score : 8 941

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01. David Bombal

David Bombal is a prominent figure in the IT and cybersecurity space, focusing on topics like ethical hacking, networking, and programming. He has a substantial online presence with over 2.5 million YouTube subscribers, where he shares detailed tutorials on Linux, Python, and CCNA. His content is educational, aimed at helping viewers enhance their technical skills and understanding of cybersecurity. He also promotes free courses and resources, making complex topics accessible to a broader audience.

Favikon Authority Score : 8 956

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