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Top Cybersecurity Experts in 2025
This highlights the top digital security influencers of 2025, who are key figures in addressing modern online safety challenges. These creators excel in mentoring cybersecurity enthusiasts, offering expertise in areas like penetration testing, network security, and incident response.
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All real-time rankings of all platforms and countries are available here.
Here's the list of the Top 20 Cybersecurity Experts in 2025:
20. Marcelo Vázquez
Marcelo Vázquez, also known as S4vitar, is a cybersecurity content creator and founder of Hack4u. With a focus on providing accurate information and debunking myths, Marcelo creates informative videos on topics like the deep web and hacking. He also offers personalized mechanical keyboards through Hack4u, designed for offensive and defensive cybersecurity challenges. Marcelo's content aims to guide beginners in the field of cybersecurity and he recently launched a course on hacking. With a growing YouTube channel and a dedicated community, Marcelo continues to share his knowledge and passion for cybersecurity.
Followers on social media: 738 K
Favikon Authority Score : 8 487pts
19. TracketPacer
TracketPacer, also known as the 'Karen of network engineering,' is a content creator who specializes in network engineering and cybersecurity. With a humorous and informative approach, she shares her knowledge and experiences in the field, debunking WiFi myths and providing cybersecurity facts. TracketPacer is passionate about making technology accessible and enjoys giving presentations to kids in STEM clubs. In addition to her content creation, she is a network engineer with expertise in designing networks for launch vehicles destined for outer space.
Followers on social media: 1.3 M
Favikon Authority Score : 8 503 pts
18. Can Deger
Can Deger, also known as Lunizz, is a security architect, streamer, and gamer. He shares content on various topics such as cybersecurity, gaming, living in Europe, and relationships through his Twitch channel. Additionally, he has a Discord channel where he answers frequently asked questions related to cybersecurity. Can Deger is also a father of three and often shares personal updates and moments with his followers. He is known for his humor and engaging content, making him a popular figure in the online community.
Followers on social media: 1.2 M
Favikon Authority Score : 8 526 pts
17. Salim Djerrar Mohammed
Salim Djerrar Mohammed, also known as @salimdjerar on Instagram and TikTok, is an FTMO Trader and Cyber Security Engineer. With a strong background in trading and expertise in cyber security, Salim shares valuable insights and knowledge through his social media platforms. He posts informative content related to trading, useful applications, websites, and technology. Salim is the founder of @ozarkschool, an educational platform for learning trading. For collaborations and inquiries, Salim can be reached at salim.collab@gmail.com. Stay updated with his latest content on Instagram and TikTok @salimdjerar.
Followers on social media: 1 M
Favikon Authority Score : 8 577 pts
16. John Hammond
With a passion for cybersecurity, John Hammond is a hacker, researcher, and educator who provides free cybersecurity education without the fluff. He stages phishing attacks and credential harvesting sites to retrieve passwords and 2FA codes. In addition, he manipulates resources in other locations to execute arbitrary code or leak secrets. John also explores network traffic from botnet attacks and Wireshark for packet analysis. He has spoken at events such as the World Affairs Conference and NahamCon2022 CTF, and provided workshops on JavaScript desktop applications and CI/CD hacking.
Followers on social media: 2.4 M
Favikon Authority Score : 8 584 pts
15. Telugu Tech Advisor
Telugu Tech Advisor is a tech enthusiast, YouTuber, blogger, and software engineer. They provide real-world practical ethical hacking concepts in Telugu, helping people secure themselves on the internet. Their content covers computer and mobile tips, tricks, internet, tech explainers, and how-to tutorials. They also offer paid promotions and collaborations. Check out their YouTube channel for more videos and subscribe to stay updated with their latest content.
Followers on social media: 256 K
Favikon Authority Score : 8 585 pts
14. Adam Jicha
Adam Jícha is a content creator and podcast host, known for his work since 2007. He specializes in exploring the dark web, discussing technology, and sharing his love for movies. With a passion for new technologies and gaming, Adam also experiments with unique stream designs and provides entertaining content for his audience.
Followers on social media: 674 K
Favikon Authority Score : 8 594 pts
13. Kevin Roberts
SrHoe is an individual on TikTok who focuses on exploring ethical hacking and sharing knowledge related to cybersecurity. His content includes hacking series, tutorials on tools like Kali Linux, and discussions on topics such as Google Dorking and VPNs. He also provides insights on making money in cybersecurity and creates videos on cyber threats like malware and the dark web. SrHoe's videos aim to educate and inform viewers about various aspects of cybersecurity in a concise and engaging manner.
Followers on social media: 1.3 M
Favikon Authority Score : 8 619 pts
12. Lukas Stefanko
Lukas Stefanko is a Malware Analyst at ESET with a background in computer security. Specializing in Android and Mobile security, he actively shares insights on cyber threats targeting users in India and Pakistan. Lukas demonstrates security vulnerabilities through practical experiments, such as Juice Jacking and Bluetooth exploits. His expertise includes malware research and providing prevention tips to safeguard against cyber attacks.
Followers on social media: 1.7 M
Favikon Authority Score : 8 634 pts
11. Wit Kasperek
Wit Kasperek is a science popularizer and cybersecurity expert based in Kraków. With a TikTok following of 1.9 million and over 230k subscribers on YouTube, he shares his knowledge on various topics, including cybersecurity, science, herbs, and travel. Wit is known for his logical puzzles and informative content. He is also involved in promoting science and education. Follow him on Facebook, Instagram, and TikTok for engaging and educational content. Stay tuned for his TV appearances on solving criminal mysteries and exploring Polish history on TVP Historia.
Followers on social media: 2.2 M
Favikon Authority Score : 8 638 pts
10. Abhishek Sagar
Abhishek Sagar, also known as Technical Sagar, is a self-taught white hat hacker and YouTuber. He is the CEO of Sagar Web Solutions and shares technical knowledge in his mother tongue, Hindi, through his YouTube channel. With a passion for internet and ethical hacking, Abhishek has been learning and teaching for over 13 years. He is also a singer, actor, mimicry artist, host, and vlogger. Through his content and expertise, Abhishek aims to help people and contribute to the community. He is well-known for his ethical hacking courses and technology updates.
Followers on social media: 3.1 M
Favikon Authority Score : 8 638 pts
9. Salem Alharbi
Salem Alharbi is an information security expert, tech reviewer, and content creator. He specializes in providing consultations and news related to technology, including cybersecurity, technical reviews, and troubleshooting. With expertise in social media platforms and application updates, Salem can solve various issues, such as hacked Sony accounts, compromised accounts on Twitter, Instagram, and Snapchat, and recovering hacked YouTube channels. He is also knowledgeable in resolving Hotmail issues and Twitter account lockouts. Salem is a Saudi journalist and content publisher who focuses on technology news and smart devices. He has acquired certified courses in cybersecurity and is interested in privacy and data protection. With a strong passion for solving technical problems, Salem is dedicated to helping others in the digital space.
Followers on social media: 1 M
Favikon Authority Score : 8 741 pts
8. Thunder Keck
Thunder Keck, a tech enthusiast and content creator, shares informative videos on topics like internet privacy, cybersecurity, and technology. With a background in Stanford CS and sustainability, Thunder engages followers with tutorials and discussions on useful websites, dark web exploration, and data privacy. Through a mix of educational content and tech-related tips, Thunder Keck provides insights into digital security and emerging technologies.
Followers on social media: 1.3 M
Favikon Authority Score : 8 784 pts
7. Black Hat
Black Hat is a series of high-profile global events and trainings focused on information security research, development, and trends in a vendor-neutral environment. Operating for more than 20 years, Black Hat Briefings are driven by the needs of the security community, bringing together the best minds in the industry. The annual conferences are held in the United States, Europe, and Asia, providing a premier venue for elite security researchers and trainers to find their audience. Black Hat inspires professionals at all career levels, encouraging growth and collaboration among academia, world-class researchers, and leaders in the public and private sectors.
Followers on social media: 1.9 M
Favikon Authority Score : 8 750 pts
6. Obayda G Abu Kweder
Obayda G Abu Kweder is a tech content creator and YouTuber specializing in cybersecurity, AI, and the metaverse. With a focus on technology news, reviews, comparisons, and educational materials, Obayda provides easy and simplified explanations for the Arab audience. He also covers topics such as filmmaking, PC and phone technology, and provides insights into the latest tech trends. For inquiries and collaborations, contact him via email or Telegram.
Followers on social media: 1.5 M
Favikon Authority Score : 8 768 pts
5. Chuck Keith
Chuck Keith, known as NetworkChuck, shares IT insights and tech knowledge on YouTube. He covers topics like hacking skills, IT challenges, and innovative tech solutions. With a focus on cybersecurity and networking, Chuck provides valuable content for tech enthusiasts and professionals. He engages with his audience through informative videos and practical demonstrations, making complex tech concepts accessible to all. Chuck's passion for technology shines through his engaging content, making him a valuable resource in the tech community.
Followers on social media: 5.6 M
Favikon Authority Score : 8 874 pts
4. David Bombal
David Bombal is an Author, Instructor, and YouTuber with a significant online presence. He has over 2.4 million subscribers on YouTube and more than 1.1 million students enrolled in his Udemy courses. Known for his expertise in Ethical Hacking, CCNA, Python, and Linux, David creates free content and courses on various platforms. With a background in networking and over 15 years of experience, he continues to develop training materials on emerging technologies. David's YouTube channel showcases his work and provides valuable insights into cybersecurity and networking.
Followers on social media: 3.3 M
Favikon Authority Score : 8 910 pts
3. Ryan Mcbeth
Ryan McBeth is an Intelligence Analyst, software architect, novelist, and triathlete. He is known for his contributions to AeroMedLab and NEWSMAX, as well as his YouTube channel where he creates content on Programming, Cybersecurity, OSINT, and Military topics. With a background in system architecture, Ryan delves into various geopolitical issues, military strategies, and technology advancements in his posts on social media.
Followers on social media: 1.1 M
Favikon Authority Score : 8 923 pts
2. Ryan M. Montgomery
Ryan M. Montgomery is a serial entrepreneur and child safety advocate. Known for his expertise in penetration testing and cybersecurity, he uses his platform to raise awareness about online dangers and provide tips for staying safe. With a focus on protecting children from explicit content and cyberbullying, Ryan shares valuable information and insights through his social media presence and YouTube channel. He also collaborates with organizations and individuals to expose predators and promote online safety. Ryan's dedication to making the internet a safer place has earned him recognition and support from his followers and the cybersecurity community.
Followers on social media: 1.2 M
Favikon Authority Score : 8 951 pts
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1. Robert Herjavec
Robert Herjavec, CEO of Global Cybersecurity Firm Cyderes, is a dynamic entrepreneur and leading Shark on ABC’s Shark Tank. Born in Eastern Europe, he arrived in North America on a boat with his parents after escaping communism in the former Yugoslavia. In 2003, Robert founded Herjavec Group, which merged with Fishtech Group to become Cyderes. Cyderes excels in cybersecurity services and operates globally. Robert shares motivational business advice on TV and is a bestselling author. His focus on family and success is evident in his posts.
Followers on social media: 4 M
Favikon Authority Score : 8 980 pts
How does Favikon rank influencers?
Favikon offers a reliable, data-driven approach to rank social media creators across various industries. This ranking is based on the Favikon score obtained by each creator according to their performance on social media. The Favikon authority score is not only linked to the number of subscribers, but is calculated according to several other important criteria. These criteria include maintaining an active presence on multiple social media, engagement rate, growth rate, as well as other factors that demonstrate the breadth and depth of their connection with their audience. We believe it's important to consider the holistic aspects of a creator's presence in order to get a complete assessment.
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