Last Updated on September 4, 2025 by Narendra Sahoo
If you’re in the cybersecurity world — whether you’re a CISO, ethical hacker, compliance pro, or just love staying ahead of cyber threats — following the right voices can make all the difference.
From founders and educators to threat hunters and security journalists, the people on this list are shaping the way we think about risk, privacy, innovation, and what’s coming next. These aren’t just professionals – they’re the ones who set the tone for the global conversation on cybersecurity.
Here are 10 cybersecurity influencers worth keeping on your radar in 2025 – each offering a unique lens into the evolving digital threatscape.
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CEO, Herjavec Group | 2,263,115 followers
Best known for his Shark Tank fame, Robert Herjavec is also one of cybersecurity’s most recognizable faces in the business world. He leads Herjavec Group, one of the fastest-growing cybersecurity companies globally.
Why follow: He blends boardroom strategy with cyber defense — great for execs and security leaders trying to talk risk in plain English.
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CISO at SoftBank Investment Advisers | 197,268 followers
Gary’s career spans government, startups, and major enterprises – making him a powerhouse of practical security leadership. He writes regularly on security frameworks, threat intelligence, and board-level communication.
Why follow: He’s a go-to source for real-world CISO advice without the jargon — clear, thoughtful, and experience-backed.
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CISO, Mercury Risk| 195,690 followers
Matthew is a cybersecurity leader who simplifies complex threats into clear, actionable strategies. As a trusted advisor and speaker, he helps teams and boards stay ahead without the tech jargon.
Why follow: He’s one of the few who make complex cyber trends easy to understand, without watering them down.
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Independent Cybersecurity Journalist, KrebsOnSecurity.com | 192,630 followers
Brian is the name in investigative cybersecurity journalism. Whether it’s a data breach or a dark web marketplace, chances are he covered it first — and better than anyone else.
Why follow: If you’re not reading KrebsOnSecurity, you’re probably missing critical breach news before it hits mainstream media.
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President of brooksci.com, Adjunct Faculty – Georgetown University | 124,254 followers
Chuck is one of the most connected voices in cybersecurity and government tech policy. His updates offer a window into public-private partnerships and innovation at scale.
Why follow: He’s everywhere cybersecurity meets business, defense, and government — all in one feed.
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Executive Director of cybersecuritygatebreakers.org, LinkedIn Learning Instructor |108,143 followers
Naomi is known for her candid takes on industry gaps, especially when it comes to hiring, mentorship, and breaking into cybersecurity.
Why follow: She’s actively helping diversify and grow the cyber talent pool, and her advice is gold for newcomers and leaders alike.
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CEO, Tigon Advisory Corp, Host of CXO Spice |76,995 followers
Helen merges business growth with cybersecurity and digital transformation. She’s a strong advocate for risk-aware leadership and smarter exposure management.
Why follow: She’s one of the few who talks cyber in boardroom language — making her a favourite among executives and strategy leads.
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Founder, CPF Coaching | 49,173 followers
Christophe is a coach, mentor, and career developer in cybersecurity. His content is packed with real-life tips for breaking into the field and leveling up.
Why follow: If you’re new to cyber or mentoring others, his posts are like free career coaching on your feed.
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Founder and CEO of HaveIBeenPwned.com, Microsoft Regional Director & MVP | 47,814 followers
Troy created HaveIBeenPwned — a free tool used by millions to check if their credentials have been compromised. His work in data breaches and identity security is unmatched.
Why follow: He makes breach data make sense, and teaches how to actually do something with it.
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Founder & Director of VISTA InfoSec | 39,608 followers
With over 32 years in cybersecurity and compliance, Narendra is a seasoned expert in frameworks like PCI DSS, SOC, ISO 27001, and SWIFT. As a QSA and CREST-certified professional, he’s helped hundreds of global organizations build secure, audit-ready environments.
Why follow: He’s the compliance strategist who transforms complex rules into clear, actionable steps, trusted by Fortune 500 leaders worldwide.
Cybersecurity can often feel overwhelming, especially with the ever evolving threat landscape and complex compliance requirements. But by following the top cybersecurity influencers, you can cut through the noise and gain practical insights and real-world tips to help safeguard your business and stay secure online.
At VISTA InfoSec, our mission is to help businesses do more than just pass audits. We believe in building security that actually works in the real world, not just on paper. From PCI DSS and SOC 2 to ISO 27001, HIPAA, DORA, and beyond, we simplify the complex and bring clarity to compliance. With deep, hands-on audit experience, we help you align with global standards, earn customer trust, and stay resilient in the face of constantly changing risks.
This is because when it comes to cybersecurity and compliance, the right guidance can make all the difference.
The post Top 10 Influencers to Follow In Cybersecurity 2025 appeared first on Information Security Consulting Company - VISTA InfoSec.
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