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Top 16 Cybersecurity Influencers in the industry (2025)

Staying updated on the latest cybersecurity trends is important. 

Knowing this helps you deal with current threats, follow best practices at work, and keep up with industry news that affects your company.

But how can you find trustworthy information?

Social media is a fantastic way to casually explore valuable information from various sources.

On the flip side, it can be tricky since anyone can call themselves a “cyber security content creator.” This makes it harder to spot the reliable voices out there.

To help you stay ahead, we’ve curated a list of 16 top cybersecurity experts and thought leaders.

Each of these cybersecurity influencers offers a unique perspective on different topics and regularly shares useful content on platforms like Twitter/X and LinkedIn.

At LoopStudio, we collaborate with many cybersecurity companies, so we follow these top voices to remain informed.

Cybersecurity Influencers Role

Cybersecurity experts are a vital pathway to staying informed about today’s cyber threats.

These cybersecurity experts share real-time updates, practical tips, and valuable insights to help you protect your data and systems.

Whether you work in tech, lead a business, or just care about online security, following these experts helps you make better decisions.

They explain complex topic, like trends in cyber warfare and the latest security solutions, in simple and useful ways.

For cybersecurity professionals and angel investors, following these experts gives help you stay in the loop on what’s happening in the ever-changing world of cyber defense.

Top 16 Cybersecurity Influencers to Follow in 2025

Learn everything about the changing world of cybersecurity by keeping up with the latest trends, news, and best practices. 

You´ll learn from innovative cybersecurity thought leaders.

So, check out insights and advice from 16 cybersecurity influencers on social media. 

By following these experts, you can gain a deeper understanding of the field and stay ahead of emerging cyber threats and potential investment opportunities.

1. Mikko Hypponen

Mikko Hypponen - cybersecurity influencers

Mikko Hypponen is a leading global expert in computer security, currently serving as the Chief Research Officer at WithSecure. 

His research has been featured in prestigious publications such as the New York Times, Wired, and Scientific American. Additionally, he has delivered lectures at renowned institutions like Oxford, Stanford, and Cambridge. 

Hypponen also holds positions on the advisory boards of both EUROPOL and the Monetary Authority of Singapore.

Mikko is one of the most respected cybersecurity experts globally.

His work on malware and digital surveillance has helped countless professionals understand modern cyber threats. His lectures and research offer valuable insights into online security challenges.

You should definitely follow him as we do, because he inspires our work every day. 

2. Shira Rubinoff

Shira Rubinoff - cybersecurity influencers

Shira Rubinoff stands as a beacon of leadership in the realm of women in cybersecurity.

She is known as an executive, advisor, influencer, and global speaker, and has made a strong impact in the field.

Shira has built two successful cybersecurity companies and actively supports women in technology.

Her commitment to empowering women and creating inclusive environments in tech and among cybersecurity professionals is inspiring. 

If you’re a woman looking to enter cybersecurity, you should definitely follow Shira.

3. Dr. Magda Chelly

Dr. Magda Chelly- cybersecurity influencers

Dr. Magda Lilia Chelly is a well-known cybersecurity influencer with a lot of experience in the field. 

Chelly has a Ph.D. in Telecommunication Engineering and supports diversity and gender balance in cybersecurity. 

She works as a cybersecurity advisor and is committed to raising awareness about how important cybersecurity is today, from UX to user education.

As a strong voice for diversity in tech, you can learn from her valuable insights into managing cyber risk and defending online security in complex systems.

Dr. Magda has also written and contributed to many publications about cybersecurity, sharing her knowledge and advice on different topics. 

4. Troy Hunt

Troy Hunt is the creator of Have I Been Pwned (HIBP), a well-known site that helps people check if their personal information has been leaked in data breaches. 

Besides HIBP, Hunt is a respected security researcher and teacher who supports data privacy. 

His efforts to raise awareness about data breaches and promote good cybersecurity practices have helped millions protect their online identities.

He frequently discusses data breaches, password security, and the evolving tactics in cyber warfare.

Troy’s position as a top cybersecurity influencer is due to his expertise and his willingness to share knowledge.

5. Jen Easterly

Jen Easterly is a top cybersecurity influencer. 

She’s also an expert in counterterrorism, and national security. 

Jen started her career at the United States Military Academy at West Point and the University of Oxford. 

In 2021, President Biden appointed her as the Director of the Cybersecurity and Infrastructure Security Agency (CISA), where she has made major improvements to the security of America’s critical infrastructure. 

Before this, she was the Head of Firm Resilience at Morgan Stanley, where she helped create the Cybersecurity Fusion Centre, an important project for cybersecurity in the financial sector.

Her leadership in cyber warfare prevention and national infrastructure protection makes her one of the most important cybersecurity professionals today.

6. Chuck Brooks

Chuck Brooks is the president of his own consulting firm, where he provides guidance to clients on cybersecurity strategy, risk assessment, and business development. 

He is also a prominent author on various technology and cybersecurity blogs.

With 120k followers on LinkedIn, Brooks is one of the best cybersecurity influencers who has built a strong presence through his consistent contributions to industry research, news, and media articles. 

7. Sherrod DeGrippo

Sherrod DeGrippo is the Vice President of Threat Research and Detection at Proofpoint. 

With over 15 years of experience in information security, she leads a global team of threat researchers dedicated to delivering comprehensive and tailored threat intelligence solutions. 

She oversees her team of researchers, who work around the clock to investigate advanced threats and provide protections to thousands of customers each day. 

Her team’s work supports cybersecurity experts worldwide in developing effective security solutions.

DeGrippo’s expertise makes her a top cybersecurity influencer. 

8. Keren Elazari

Keren Elazari is a renowned security analyst, researcher, author, and speaker who works with top security companies, government organizations, and Fortune 500 firms.

She is the first Israeli woman to give a TED talk at the official TED Conference. 

Her talk about hackers has been seen by millions and translated into 30 languages, making it one of the most popular TED talks on cybersecurity.

9. Graham Cluley

Graham Cluley is a well-known public speaker, podcaster, blogger, and cybersecurity expert who has been active in the field since the early 1990s. 

For LoopStudio, he is the top cybersecurity influencer that everyone should follow immediately.

Cluley started his career as a programmer and was the first to create Dr. Solomon’s Antivirus Toolkit for Windows, a major computer security breakthrough. 

He has also held important roles at well-known security companies like Sophos and McAfee, which helped him build his reputation as a leader in the industry.

Besides his professional work, Graham is a familiar voice on TV and radio, where he explains complex cybersecurity threats in an easy-to-understand way and shares creative tools. 

10. Eva Galperin

Eva Galperin is the Director of Cybersecurity at the Electronic Frontier Foundation (EFF) and a strong advocate for digital rights and online privacy.

Her work focuses on protecting vulnerable groups from surveillance and censorship. She highlights the importance of encryption tools and pushes for policy changes that safeguard digital freedoms worldwide.

Galperin is well-known for her efforts in protecting global privacy and researching malware, making her a top cybersecurity influencer to follow.

11. Brian Krebs 

Brian Krebs is a journalist and investigative reporter from the United States known for his detailed coverage of money-driven cybercriminals.

He has used his passion for cybersecurity to write many articles for the Washington Post, more than 1,000 blog posts, and a bestselling book with the New York Times.

His work mainly focuses on studying the activities of organized cybercrime groups from Eastern Europe.

He is also the creator of KrebsOnSecurity.com, a respected daily blog that focuses on computer security and cybercrime.

12. Dmitri Alperovitch 

Dmitri Alperovitch is a top cybersecurity influencer.

As the chairman of Silverado Policy Accelerator, a think tank in Washington, D.C., he is involved in geopolitics. 

His deep understanding of cybersecurity strategies makes him a respected voice in the industry.

He co-founded CrowdStrike and was the chief technology officer, playing a key role in the company’s success. 

Additionally, Dmitri advises the Department of Defense, helping to shape security at the United Nations.

13. Jane Frankland 

Jane Frankland is a top voice in cybersecurity.

She works as a leadership coach, board advisor, author, and speaker. 

Jane has been recognized by notable organizations like Wiki, UNESCO, and the LinkedIn Top Voices list.

She shares her knowledge with forward-thinking companies, governments, and international groups like the United Nations, the EU Commission, and the World Digital Assessment Council.

Her website is dedicated to helping women in technology and software development, whether it’s to improve your team’s skills or to book her as a speaker for a conference.

14. Henrik Parkkinen 

Henrik Parkkinen is a well-respected top cybersecurity influencer and a skilled security advisor, recognized as one of the top 40 under 40 in the field.

With over 20 years of experience in Information Security, he is a true expert.

He helps organizations strengthen their security and become more resilient against cyber threats.

Henrik’s skills include security strategy, analysis, assessments, audits, cloud security, governance, advisory, risk management, AI, and business consulting.

15. Aron Lange

Aron Lange is the founder of LearnGRC. 

He works as a Security Officer at Deloitte, where he focuses on physical security, checks contracts for compliance, and conducts internal audits to meet ISO and TISAX standards.

Seeing how hard it is to find helpful resources, Aron started LearnGRC to help GRC professionals learn more.

When he’s not writing for LearnGRC, he works as an information security manager, helping organizations create and manage effective security programs to make the digital world safer for everyone.

That’s why he’s one of our top cybersecurity influencers. 

16. Theresa Payton

Theresa Payton was the first woman to serve as the Chief Information Officer (CIO) of the White House. 

Payton has written several important books about IT strategy and cybersecurity. 

One of her books, Manipulated: Inside the Cyberwar to Hijack Elections and Distort the Truth, was named by the Guardian as one of the Top 10 Books about Cybercrime.

Why do you need to follow these Cybersecurity Influencers?

If you’re diving into the world of cybersecurity, whether you’re a pro, a business leader, or just passionate about the topic, checking out these top voices in cybersecurity can really boost your knowledge and help you tackle digital risks with confidence: 

  • Explore a wide range of cybersecurity topics, from web development and keeping vulnerabilities in check to threat intelligence and security in industrial settings.
  • You’ll find plenty of research, articles, and talks that deepen your understanding of the challenges in cybersecurity, as well as UX design and innovative solutions.
  • Stay updated on key cyber incidents, policy changes, and trends shaping cybersecurity.
  • Connect with fellow professionals, organizations, and thought leaders in the cybersecurity community to share insights and best practices.

Conclusion

Following top cybersecurity influencers gives us helpful insights and helps us navigate the complex world of digital security.

Whether you’re a cybersecurity professional or a beginner, these voices can guide you through the world of online security, from cyber threats and cyber warfare to emerging security solutions and career advice.

At LoopStudio, we believe it’s important to stay ahead in cybersecurity.

We encourage you to connect with them to gain valuable insights.

Through social media, we can create, share, and learn valuable knowledge that will improve both our work and everyday life, learning how these experts view the world through a cybersecurity lens.

We recommend these key voices to help shape the future of digital security together.

If you’re in tech, you really should check out our roundup of the Best Web Development Books for 2025 and Cybersecurity Podcast.

Any questions? Contact us here.

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