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Top 24 Cybersecurity Influencers on LinkedIn in 2025

Discover 24 top cybersecurity influencers on LinkedIn. Follow these experts in threat research, security leadership, and policy for advanced insights.

Success Stories
8
min read
Top 24 LinkedIn Influencers to Follow

Staying ahead of cybersecurity threats has become increasingly challenging in today’s tech-driven world.

The complexity of attacks, emerging technologies, and evolving compliance requirements make it difficult to navigate the cybersecurity landscape effectively.

The risks of not staying informed in cybersecurity can be devastating, potentially leading to data breaches, financial losses, and damaged reputation.

Luckily, these top cybersecurity influencers to follow share insights, practical advice, and real-world experiences that can help you strengthen your security.

From seasoned CISOs and threat researchers to policy experts and security awareness specialists, each influencer brings unique expertise to help you navigate the complex world of cybersecurity.

We classified them into five categories based on their main areas of expertise:

  • Security Leadership & Strategy
  • Threat Research & Technical Security
  • Human Factors & Security Culture
  • Government & Policy
  • Career Development & Mentoring

Following these security experts will give you access to a wealth of knowledge, emerging trends, and best practices in the cybersecurity space and overall online security to protect your organization effectively.

Security Leadership & Strategy

Eugene Kaspersky

Eugene Kaspersky LinkedIn profile header

Eugene Kaspersky is the CEO of Kaspersky Lab, a global cybersecurity company and one of the top influencers.

He is known for his expertise in malware research and cybersecurity solutions.

Eugene shares insights on global cyber threats and security technologies with a mission to raise cybersecurity awareness.

Why follow Eugene?

  • Gain knowledge from a leader in cybersecurity solutions.
  • Stay informed about cyber threat landscapes.
  • Learn about advancements in security technologies.
Screenshot of Eugene Kaspersky's LinkedIn post

Michael Coates

Michael Coates LinkedIn profile header

Michael Coates is the Chief Operating Officer and Chief Information Security Officer (CISO) at CoinList, specializing in cybersecurity and cryptocurrency trading.

With extensive experience in securing large-scale systems, he shares knowledge on cloud security, data protection, and building effective security programs.

Why follow Michael?

  • Gain insights into securing cloud environments and protecting data.
  • Learn from his experience in leading security at major tech companies and cybersecurity firms.
  • Stay updated on innovative approaches to cyber security challenges.
Screenshot of Michael Coates' LinkedIn post

Royce M.

Royce M. LinkedIn profile header

Royce M. is a seasoned Chief Information Security Officer (CISO) with over 20 years of experience across various industries, including technology, financial services, healthcare, telecom, and retail.

He excels in crafting and implementing robust security strategies tailored to diverse organizational needs.

Royce is passionate about next-generation security, zero-trust architectures, and the integration of artificial intelligence in cybersecurity.

Why follow Royce?

  • Gain insights into advanced security strategies and zero-trust frameworks.
  • Learn about the application of AI in enhancing cybersecurity measures.
  • Stay updated on best practices from a leader with extensive cross-industry experience.
Screenshot of Royce M.'s LinkedIn post

Sarah Armstrong-Smith

Sarah Armstrong-Smith LinkedIn profile header

Sarah Armstrong-Smith is the Chief Security Advisor at Microsoft, focusing on enterprise cybersecurity strategies.

She has a background in disaster recovery and business continuity, providing a holistic approach to organizational resilience.

As one of the top female cybersecurity specialists, Sarah is recognized for her influence and inspiration in the tech and cybersecurity fields.

Why follow Sarah?

  • Learn about integrating cybersecurity with business continuity planning.
  • Gain insights into effective risk management practices.
  • Stay informed on strategies for enhancing organizational resilience.
Screenshot of Sarah Armstrong-Smith's LinkedIn post

Tom Meehan, CFI

Tom Meehan, CFI LinkedIn profile header

Tom Meehan is the CEO of CONTROLTEK, a leader in asset protection and security solutions.

With extensive experience in security products and loss prevention, he shares insights on cybersecurity, artificial intelligence, and risk management.

Tom also contributes as the retail technology editor for Loss Prevention Magazine and co-hosts the CrimeScience podcast.

Why follow Tom?

  • Stay informed on advancements in technology and security.
  • Gain insights into the integration of AI in loss prevention.
  • Learn from a recognized leader in asset protection and cybersecurity.
Screenshot of Tom Meehan, CFI's LinkedIn post

Threat Research & Technical Security

Graham Cluley

Graham Cluley LinkedIn profile header

Graham Cluley is an award-winning cybersecurity expert, blogger, researcher, and public speaker.

He has been involved in the industry since the early 1990s, and he is putting cybersecurity topics in the spotlight.

Graham shares analyses of security threats and vulnerabilities.

Why follow Graham?

  • Stay updated on the latest security threats that occur in evolving cyber environment.
  • Gain insights from his extensive experience in cybersecurity.
  • Learn about malware and cyber attack prevention.
Screenshot of Graham Cluley's LinkedIn post

Mark Dodds

Mark Dodds LinkedIn profile header

Mark Dodds is the co-owner and Operations Director of Compex IT, an IT support and strategy firm.

With over 25 years in the IT industry, Mark specializes in providing tailored IT solutions for financial services firms, including financial planners, accountants, and wealth management professionals.

He focuses on enhancing operational efficiency and ensuring data security.

Why follow Mark?

  • Learn about secure software development practices.
  • Gain insights and expertise into application security challenges and solutions.
  • Stay updated on integrating security into DevOps processes.
Screenshot of Mark Dodds' LinkedIn post

Jetro WILS

Jetro WILS LinkedIn profile header

Jetro WILS is a Cloud & Information Security Officer with expertise in cybersecurity advisory, cloud security, governance, compliance, and risk management.

He has experience implementing security frameworks in the tech industry, especially facing challenges of adopting cloud technology securely and staying compliant with information security legislation.

Why follow Jetro?

  • Understand data protection laws and their implications.
  • Learn about compliance strategies for different regulatory environments.
  • Stay informed on best practices in data security.
Screenshot of Jetro WILS' LinkedIn post

Kayne McGladrey

Kayne McGladrey LinkedIn profile header

Kayne McGladrey is a Field CISO at Hyperproof, specializing in driving continuous compliance and cybersecurity.

He excels in communicating complex cybersecurity concepts to non-technical audiences.

Kayne shares perspectives on emerging threats and security trends.

Why follow Kayne?

  • Understand the alignment of cybersecurity strategies with business goals.
  • Stay updated on emerging cyber threats and mitigation techniques.
  • Gain insights from his contributions to industry standards and publications.
Screenshot of Kayne McGladrey's LinkedIn post

Human Factors & Security Culture

Jessica Barker

Jessica Barker LinkedIn profile header

Jessica Barker is a cybersecurity expert specializing in the human aspects of security.

She co-founded Cygenta, a company that integrates cybersecurity with psychology and sociology to address human factors in security.

Jessica shares insights on building security awareness and fostering a positive security culture within organizations.

Why follow Jessica?

  • Understand the psychological and social elements that add to the human side of cybersecurity.
  • Learn strategies for enhancing security awareness among employees.
  • Stay informed about creating and maintaining a strong security culture.
Screenshot of Jessica Barker's LinkedIn post

Shira Rubinoff

Shira Rubinoff LinkedIn profile header

Shira Rubinoff is a cybersecurity executive, advisor, and global keynote speaker.

She has built two cybersecurity product companies and is recognized for her work in promoting women in technology.

Shira is one of the top female cybersecurity influencers who shares insights on the human factors in cybersecurity and leadership.

Why follow Shira?

  • Gain perspectives on the intersection of human behavior and cybersecurity.
  • Learn about leadership and fostering diversity in tech.
  • Stay informed on emerging cybersecurity trends and best practices.
Screenshot of Shira Rubinoff's LinkedIn post

Monica Verma

Monica Verma LinkedIn profile header

Monica Verma is a cybersecurity thought leader and speaker dedicated to helping professionals excel in AI, cybersecurity, and leadership to reduce their vulnerability to cyber threats.

She focuses on risk management and security strategies.

Monica shares knowledge on building resilient security programs.

Why follow Monica?

  • Gain practical advice on risk management.
  • Learn about developing effective security strategies.
  • Stay updated on best cybersecurity practices.
Screenshot of Monica Verma's LinkedIn post

Government & Policy

Chuck Brooks

Chuck Brooks LinkedIn profile header

Chuck Brooks is the President of Brooks Consulting International, specializing in cybersecurity and emerging technologies.

He has over 25 years of experience and teaches at Georgetown University.

Chuck shares knowledge of cybersecurity trends and technology innovations.

Why follow Chuck?

  • Gain insights into cybersecurity and emerging tech.
  • Learn from his experience in government and private sectors.
  • Stay updated on technological innovations and security strategies.
Screenshot of Chuck Brooks' LinkedIn post

Jen Easterly

Jen Easterly LinkedIn profile header

Jen Easterly is the Director of the Cybersecurity and Infrastructure Security Agency (CISA).

She leads national efforts to defend critical infrastructure against cyber threats.

Jen shares information on national cybersecurity initiatives.

Why follow Jen?

  • Stay updated on U.S. cybersecurity policies.
  • Gain insights into protecting critical infrastructure.
  • Learn about government efforts in cybersecurity.
Screenshot of Jen Easterly's LinkedIn post

Career Development & Mentor

Dan Lohrmann

Dan Lohrmann LinkedIn profile header

Dan Lohrmann is a cybersecurity leader, advisor, and keynote speaker with over 25 years of experience.

As the field chief information security officer (CISO) for the public sector at Presidio, Inc., Dan shares expertise on cybersecurity strategies and public sector security.

Why follow Dan?

  • Gain insights from a seasoned cybersecurity strategist to stay ahead of the curve.
  • Learn about public sector cybersecurity challenges and solutions.
  • Stay updated on the latest in cyber defense and risk management.
Screenshot of Dan Lohrmann's LinkedIn post

Career Development & Mentoring

Jane Frankland

Jane Frankland LinkedIn profile header

Jane Frankland is an award-winning cybersecurity expert, entrepreneur, and author.

She founded the IN Security Movement and authored the best-selling book IN Security: Why a Failure to Attract and Retain Women in Cybersecurity is Making Us All Less Safe.

Jane advocates for increased diversity in the field of cybersecurity and shares insights on leadership and industry trends.

Why follow Jane?

  • Gain perspectives on enhancing diversity and inclusion within cybersecurity.
  • Access expert analysis on current cybersecurity challenges and solutions.
  • Stay informed about initiatives aimed at empowering women in tech.
Screenshot of Jane Frankland's LinkedIn post

Mike Miller

Mike Miller LinkedIn profile header

Mike Miller is a renowned cybersecurity professional with over 25 years of experience, currently serving as a virtual Chief Information Security Officer (vCISO) at Appalachia Technologies.

He specializes in both offensive and defensive cybersecurity, as well as Governance, Risk, and Compliance (GRC).

Mike is dedicated to mentoring individuals aspiring to enter the cybersecurity field, offering guidance on career development and LinkedIn optimization.

Why follow Mike?

  • Receive practical advice on breaking into the cybersecurity industry.
  • Learn strategies for enhancing your professional presence on LinkedIn while reducing vulnerability to cyber threats.
  • Stay informed about the latest trends in cybersecurity from an experienced practitioner.
Screenshot of Mike Miller's LinkedIn post

Naomi Buckwalter

Naomi Buckwalter LinkedIn profile header

Naomi Buckwalter is an information security leader and keynote speaker with over 20 years of experience in IT and security.

She is the founder and Executive Director of the Cybersecurity Gatebreakers Foundation, a nonprofit dedicated to closing the cybersecurity talent gap.

She is also a LinkedIn Learning Instructor discussing the state of tech and cybersecurity hiring, aiming to provide insights and guidance to professionals in the field.

Why follow Naomi?

  • Gain insights into the cybersecurity labor shortage and breaking down industry barriers.
  • Learn about the importance of hiring and training entry-level professionals to strengthen cybersecurity defenses.
  • Stay informed on the latest trends in tech and cybersecurity hiring.
Screenshot of Naomi Buckwalter's LinkedIn post

Joe Head

Joe Head LinkedIn profile header

Joe Head is the founder of The Blueprint, a community dedicated to helping cybersecurity professionals enhance their careers.

Joe offers guidance on creating unique value propositions and standing out in the industry.

His posts cover topics like CISO skills, job search strategies, and the challenges of starting a business.

Why follow Joe?

  • Access resources tailored for cybersecurity career advancement.
  • Learn strategies to differentiate yourself in a competitive market.
  • Engage with a community aimed at fostering success in cybersecurity.
Screenshot of Joe Head's LinkedIn post

Ron Sharon

Ron Sharon LinkedIn profile header

Ron Sharon is a technology and cybersecurity leader with over 17 years of experience in the IT industry. 

Ron's expertise and passion for information technology make him a valuable influencer.

He offers mentorship and coaching to budding and seasoned leaders.

Why follow Ron?

  • Gain insights from a cybersecurity expert with a strong background in IT security and infrastructure.
  • Learn about innovative approaches to information security and risk mitigation.
  • Stay informed on the latest trends and best practices in cybersecurity.
Screenshot of Ron Sharon's LinkedIn post

Lisa Bock

Lisa Bock LinkedIn profile header

Lisa Bock is a cybersecurity author and educator with a broad range of IT skills, including Cisco Security, CyberOps, Wireshark, biometrics, ethical hacking, and IoT. 

She has published five books and over 50 courses, sharing her expertise to help others secure their data.

Why follow Lisa?

  • Access comprehensive resources on various IT security topics.
  • Learn practical techniques for implementing cryptographic solutions.
  • Stay updated on emerging technologies and cybersecurity trends.
Screenshot of Lisa Bock's LinkedIn post

Cybersecurity Journalism & Research

Brian Krebs

Brian Krebs LinkedIn profile header

Brian Krebs is an investigative reporter specializing in cybercrime.

He authors the blog KrebsOnSecurity.com, covering topics like data breaches and cyber threats. Brian provides in-depth analyses of cybercriminal activities.

Why follow Brian?

  • Stay informed about the latest cyber threats and breaches.
  • Gain insights from detailed investigations into cybercrime.
  • Learn about cybersecurity from a journalist with extensive expertise.
Screenshot of Brian Krebs' LinkedIn post

Nicole Perlroth

Nicole Perlroth LinkedIn profile header

Nicole Perlroth is a globally recognized cybersecurity journalist, author, and advisor.

Formerly the lead cybersecurity investigations reporter at The New York Times, she now serves as Managing Partner of Silver Buckshot Ventures and Venture Partner at Ballistic Ventures.

Besides reporting on cybersecurity, Nicole shares analyses of cyber warfare and security vulnerabilities.

Why follow Nicole?

  • Gain insights into cyber threats and digital espionage.
  • Learn about the global impact of cybersecurity issues.
  • Stay informed on cyber policy and national security with the latest cybersecurity news.
Screenshot of Nicole Perlroth's LinkedIn post

Steve Morgan

Steve Morgan LinkedIn profile header

Steve Morgan is the founder of Cybersecurity Ventures and editor-in-chief at Cybercrime Magazine.

He wrote more than 160 articles about cybercrime and cybersecurity.

Steve shares data-driven insights into cybersecurity trends.

Why follow Steve?

  • Access comprehensive cybersecurity market research.
  • Stay informed about cybercrime statistics and forecasts.
  • Gain insights into the economic impact of cybersecurity and privacy threats.
Screenshot of Steve Morgan's LinkedIn post

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Consistency and quality are non-negotiable when aiming for a leadership role in cybersecurity.

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FAQ

What does cybersecurity entail?

Cybersecurity involves protecting systems, networks, and data from digital attacks aimed at accessing, altering, or destroying sensitive information, extorting money, or disrupting operations.

How can I obtain expert advice on cybersecurity?

Engaging with cybersecurity influencers is an excellent way to gain expert advice. These professionals share insights, trends, and best practices, helping others stay informed about the latest developments in cybersecurity.

Will AI impact cybersecurity?

AI significantly impacts cybersecurity by enhancing threat detection and response capabilities. However, it also introduces challenges, as cybercriminals can exploit AI for more sophisticated attacks. Therefore, integrating AI into cybersecurity strategies requires carefully considering its benefits and potential risks.

How can one stay ahead of trends in cybersecurity?

To stay ahead in cybersecurity, regularly follow industry news, engage with expert insights, participate in training programs, and connect with cybersecurity influencers who share the latest developments in the field.

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