Top Cyber Security Experts In USA

What is Cyber Security?

Do you lock your doors and windows to keep intruders from coming in? Do you have a security system in place at your home that keeps both you and your loved ones protected?

Just like you protect your physical spaces and belongings, cyber security works in a similar way for your digital space. It's like having strong locks, alarms, and security systems to keep unauthorized individuals from accessing your personal information, financial details, and sensitive data.

So, just as you take measures to secure your physical world, cyber security does the same for your digital world. It's all about keeping you safe and protected in both worlds!

Why do you need it?

As technology is evolving at lightning speed, it is vital to secure our digital spaces from potential threats. And to do that we need help from cyber security experts.

Famous Cybersecurity Experts:

Thankfully, we have a bunch of incredible experts who have truly made their mark in the field of cyber security.


In this article, we'll dig deeper into the world of cybersecurity and talk about some of the Cybersecurity Legends in the USA.

1. Brian Krebs

 Brian Krebs

Meet the superstar of the Cyber Security world, Brian Krebs!
His blog called Krebs on Security is like a treasure box of all the information about cyber security threats, data breaches, and much more.

He has got 348.2K followers on Twitter – @briankrebs! This surely indicates that his audience truly trusts and relies on him to provide expert advice.

He stays connected with his audience via LinkedIn as well – Brian Krebs – sharing his insights on the latest trends in cybersecurity.

It's always great to have reliable sources like Krebs on Security to stay informed and protected online!

2. Andy Greenberg

Andy Greenberg

Andy Greenberg is one of the most impressive Cybersecurity Experts! He is an award-winning senior writer for WIRED covering articles on security, privacy, information freedom, and hacker culture.

He has a massive following on Twitter (@agreenberg) – 70K! And is also active on LinkedIn – Andy Greenberg. Andy shares his insights on both platforms. You should definitely check out his articles and investigative reports!

That’s not it! He has got his own website – Andy Greenberg – where you can find an in-depth analysis of everything related to cyber security.

Stay updated on the latest cybersecurity news and events with Andy Greenberg!

3. Graham Cluley

Graham Cluley

With a total of 112.5k followers on Twitter – @gcluley – Graham Cluley is a renowned blogger, speaker, and podcaster.

He is definitely a big name! And what sets him apart is his blog – Graham Cluley. On his blog, he dives deep into cyber security threats & trends, and even shares comments & analysis that you won't find anywhere else.

He hosts a podcast – Smashing Security – inviting different experts to share their news and views. He even stays connected with his community via LinkedIn– Graham Cluley.

He is a trusted voice in the cybersecurity community!

4. Jane Frankland

Jane Frankland

Let me tell you about Jane Frankland! She is not just a cybersecurity entrepreneur but is also an author and speaker who is constantly bringing about change in the industry. Promoting inclusion and diversity in the industry.

On Twitter, she has 31,747 followers – @JaneFrankland! And stays connected with her community on LinkedIn & Instagram as well. She shares her experiences and insights on these platforms and is an inspiration for upcoming cyber security professionals.

Go check out her website – Jane Frankland! She shares her blogs and resources which are especially aimed at empowering women in the field. She is truly an inspiration!

5. Dmitri Alperovitch

Dmitri Alperovitch

Moving on to Demitri Alperovitch! He is the founder and Chairman of Silverado Policy Accelerato and the cofounder and former CTO of Crowd Strike – a leading cyber security company.

He has 203.4K followers on Twitter – @DAlperovitch – and is active on other platforms including LinkedIn. His community admires him for his contributions, and he is famous for his knowledge and skills.

While he doesn’t have a personal website, you can find his content in industry publications and media outlets. He is definitely one of the most impressive cyber security leaders!

6. Bruce Schneier

Bruce Schneier

Another big name in the Cyber Security Industry is Bruce Schneier. He has got quite a fan base i.e. 146.4K followers on Twitter - @schneierblog! He is active on Facebook as well.

Do you know what's impressive? He shares his insights and analysis on cyber security through his blog – Schneier on Security. If you're looking for some in-depth knowledge, this is it!

Want to know more about famous cybersecurity experts? Keep on reading!

7. Dr. Anton Chuvakin

Dr. Anton Chuvakin

Another brilliant mind in the field of cybersecurity is Anton Chuvakin! He's an expert in security information, event management (SIEM), and threat intelligence.

He is making big waves in the industry with a 40K Twitter following – @anton_chuvakin. What's great is that he actively shares his skills and insights on cyber security through his blog and social media channels. He is definitely one of the greatest cyber security influencers.

8. Mikko Hypponen

Mikko Hypponen

Looking for someone with expertise in Malware analysis, cybercrime investigation, and digital privacy? Look no further than Mikko Hypponen.

He is the Chief Research Officer at F-Secure and has quite a following on Twitter – 230.2K (@mikko).

He has his own website, and his work is highly regarded and has been featured in numerous publications and media outlets worldwide.

9. Jean-Philippe (JP) Aumasson

Jean-Philippe (JP) Aumasson

Looking to dive deeper into the world of cryptographic algorithms and protocols, Jean-Philippe Aumasson is definitely a name to know.

With a Twitter following of 18.2K, he's gaining quite the following. What's great is that he actively shares his insights and research on cyber security through his blog and social media channels. His website – JP Aumasson – is a fantastic resource if you're interested in cryptography.

10. Brian Honan

Brian Honan

Brian Honan is a notable figure in the cybersecurity field. He is a cyber security consultant and author who is renowned for his skills in information security management and incident response.

He has got quite an audience i.e. 36.2k followers on Twitter – @BrianHonan. Brian constantly shares his insights on his blog and other social media platforms.

Looking for some valuable resources? Be sure to check out his consultancy firm – BH Consulting. They provide a range of cyber security services to organizations worldwide.

11. John E. Dunn

John E. Dunn

John E. Dunn is a well-regarded cyber security journalist and commentator. His insights and analysis on cyber security are highly respected.

With a following of 990 John E. Dunn shares valuable insights through his articles and social media channels, keeping us informed on the ever-evolving world of cyber security!


12. Amit Bareket

Amit Bareket

Let’s talk about Amit Bareket! The CEO of Perimeter 81 – a cloud-based network security company.

He has a following of 18,880 on LinkedIn and he keeps his audience engaged with his expertise and insights on cloud security and network protection.

Perimeter 81 provides creative solutions to secure remote and cloud-based networks, which is so important in today's digital landscape. Go ahead and check them out to learn more about the services they offer!

13. Dean Sysman

Dean Sysman

Want to know more about asset management and security hygiene? Dean Sysman has got all the answers!

He is the CEO of Anxious – a cyber security asset management platform – go check him out and learn about the impressive contributions he is making to the field. Anxious helps organizations gain visibility and control over cyber security assets.

He has a huge following on Twitter i.e. 24,629 (@DeanSysman). He keeps his audience engaged on other platforms as well as shares his insights and expertise on asset management and security hygiene.

14. Robert Herjavec

Robert Herjavec

I am sure you would recognize Rober Herjavec from his role on ‘Shark Tank’. He is a well-known entrepreneur, investor, and TV personality!

Robert Herjavec is the founder of Herjavec Group which is a cybersecurity firm providing security services and consultation to organizations worldwide!

His Twitter account @robertherjavec has a following of 805.8K. he uses his platforms to share advice on cyber security and entrepreneurship.

15. Shira Rubinoff

Shira Rubinoff

Let’s learn about another cybersecurity influencer – Shira Rubinoff! Not just an expert but an author and speaker as well! She is dedicated to raising awareness and educating people about cyber security.

She has a huge Twitter following of 170K – @Shirastweet – and has a great platform to share her insights and best practices for staying safe online.

16. Bob Fabien

Bob Fabien

Let’s talk of a thought leader and a trusted advisor, Bob Fabien! Award-Winning Silicon Valley Senior Cyber Executive!

He is a cybersecurity expert and consultant well known for his skills and expertise in security operations and incident response.

Bob Fabien Zinga has over 31,000 followers on Twitter – @bobfabienzinga. He is active on other platforms as well such as LinkedIn – Bob Fabien "BZ" Zinga (版主) 🇺🇸🇺🇦 – and his blog – Bob Fabien Zinga – where he shares his insights and best practices on cybersecurity.

17. Richard Stiennon

Richard Stiennon

Richard Stiennon is another recognized thought leader and security influencer in the field.

He is not only a cybersecurity analyst but is also an author and a speaker, well-known for his knowledge of threat intelligence and security strategy!

He has got 45,000 followers on Twitter – @stiennon! He stays connected with his network via LinkedIn, Richard Stiennon, and his website called CSO where he shares his insights and trends on cybersecurity trends and emerging threats.

Still curious about who has made it to the list of Top Cyber Security Experts? We have got you covered, Keep on reading!

18. Naomi Buckwalter

Naomi Buckwalter

A well-known Cybersecurity professional and researcher is Nomi Buckwalter! She is famous for her work in digital forensics and incident response.

She has a community of 96,550 on LinkedIn - Naomi Buckwalter! And stays connected to her audience through her website called Cybersecurity Gatebreakers. She uses her digital platform to share insights and expertise on cybersecurity.

19. Alexandre Blanc

Alexandre Blanc

Looking for someone with expertise in penetration testing and vulnerability assessment? Then check out Alexandre Blanc!

He is a well-known cybersecurity consultant and researcher.

His LinkedIn – Alexandre BLANC Cyber Security – has over 72,000 followers. He is also active on Twitter – @tresronours and has a blog as well! He uses his platforms to share best practices and insights on cybersecurity.

20. Chuck Brooks

Chuck Brooks

Want to know someone with expertise in cybersecurity policy and emerging technologies? Chuck Brooks is it! He is a cybersecurity strategist and a thought leader!

Chuck Brooks has a growing community of 19.8K followers on Twitter – @ChuckDBrooks – and 114,533 followers on LinkedIn – Chuck Brooks. He also has his own website called Brooks Consulting International. He shares his insights and analysis on cybersecurity trends and policy issues via these platforms.

21. John Strand

John Strand

Are you planning to be a trained cybersecurity expert? Go Check out John Strand’s Company, Black Hill Information Security, which offers training and consulting services in cybersecurity.

John Strand is a cybersecurity expert, author, and speaker. He's really well-known for his work in penetration testing and red teaming.

He shares his insights and expertise on offensive security techniques and tactics with his 44.7K Twitter followers – @strandjs – and his 59,119 LinkedIn followers – John Strand.

22. Mansur Hasib

Mansur Hasib

Mansur Hasib an Award-Winning Education Leader, Author, and Keynote Speaker. He is an expert in cybersecurity leadership and governance.

He shares his insights and best practices on cybersecurity management and strategy with his 18,626 LinkedIn community - Dr. Mansur Hasib 🦄 CISSP, PMP, CPHIMS – and Twitter Community – @mhasib. His website, Cyber Security Leadership, has a lot of great resources and a blog for cybersecurity professionals and aspiring leaders like you!

23. Keren Elazari

Keren Elazari

Want to know who is really famous in hack culture and cybersecurity innovations? It's Keren Elazari.

Keren Elazari is a Security Analyst, Author & TED Speaker and is a recognized thought leader and security influencer. She has a following of 15,360 on LinkedIn – Keren Elazari.

You should definitely go check her out for more tips and tricks on cybersecurity!

24. Magda Chelly

 Magda Chelly

Last but not the least, We have Madg Chelly!

She is not only a leading cybersecurity expert but is also the Founder of @rcpl_immunetprm, author of 4 Books, a TEDx Speaker, and has been featured in Forbes. She is known for her work in cybersecurity awareness and education.

She stays connected with her audiences via Twitter – @m49D4ch3lly – as well as Facebook, boosting around 26.2k followers. Sharing her insights and best practices on cybersecurity through her articles and social media channels. You can find more resources on her website to improve your cybersecurity knowledge!



The cyber security landscape in the USA is packed with a bunch of experts. They come from all walks of life, like investigative journalists, entrepreneurs, researchers, and consultants. By using their knowledge and expertise organizations and businesses can take the right step towards securing their digital space.

If you're looking to improve your cybersecurity knowledge and skills, I recommend checking out the resources and training programs offered by the experts I mentioned earlier.

Stay informed and proactive about cyber security! And contribute to a safer and more secure digital world!