Top 20 Cybersecurity Influencers in the USA to Follow in 2025

(March 12 2025)
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Top 20 Cybersecurity Influencers in the USA to Follow in 2025

The cybersecurity industry stands as a critical sector at present because cyber threats demonstrate increased sophistication each year. You need to track cybersecurity experts who provide information about new threats and best practices along with industry trends to stay knowledgeable.

This blog presents a list of 20 leading cybersecurity influencers who operate within the United States. The list includes cybersecurity professionals such as ethical hackers and journalists along with CISOs and government security leaders. Cybersecurity experts provide valuable updates that help professionals, students, and business owners remain knowledgeable about the latest security developments.

 

Why Follow Cybersecurity Influencers?

  • Keep Your Knowledge Up-to-Date – Discover new cyber threats and learn about security solutions and vulnerabilities.
  • Explore cybersecurity certifications and learn about career opportunities along with professional development options.
  • Networking – Establish connections with security professionals alongside companies and cyber security communities.

The Cybersecurity Awareness section provides updates on security regulations along with best practice guidelines.

 

Criteria for Selecting Influencers

The list of cybersecurity influencers represents value because selection criteria were based on specific qualifications.

  • Experts who have amassed substantial knowledge and made notable contributions to their field.
  • The influencer shares premium insights alongside valuable research and security awareness content.
  • Industry leaders occupy important roles as CISOs, analysts or educators within the cybersecurity sector.
  • This individual interacts with the cybersecurity community across social media platforms while sharing content through blogs, books and professional conferences.

 

Top 20 Cybersecurity Influencers in the USA

Cybersecurity Journalists & Analysts

These experts analyze cyber threats while investigating data breaches and security policies.

1. Brian Krebs (@briankrebs)
Who is he? Investigative journalist behind Krebs on Security
Why follow? Exposes cybercriminal activities and security breaches.

2. Kim Zetter (@KimZetter)
Who is she? Award-winning investigative journalist
Why follow? Kim Zetter wrote the book Countdown to Zero Day which explores cyber warfare alongside national security issues.

3. Nicole Perlroth (@nicoleperlroth)
Who is she? Cybersecurity journalist and author
Why follow? The author of This Is How They Tell Me The World Ends worked as a New York Times reporter.

4. Andy Greenberg (@a_greenberg)
Who is he? Senior cybersecurity reporter at WIRED
Why follow? Covers cybercrime, hacking, and government surveillance.

 

Ethical Hackers & Security Researchers

Security experts perform vulnerability assessments while executing penetration tests to identify system threats.

1. Troy Hunt (@troyhunt)
Who is he? Founder of Have I Been Pwned
Why follow? Tracks data breaches and online security threats.

2. Marcus Hutchins (@MalwareTechBlog)
Who is he? Marcus Hutchins gained recognition for his role in halting the WannaCry ransomware attack as a security researcher.
Why follow? Shares malware analysis and hacking insights.

3. Jayson E. Street (@jaysonstreet)
Who is he? Ethical hacker and social engineering expert
Why follow? Facilitates live hacking demonstrations while providing security awareness training sessions.

4. Alyssa Miller (@AlyssaM_InfoSec)
Who is she? Cybersecurity researcher and speaker
Why follow? This professional champions both diversity inclusion and ethical hacking practices within the cybersecurity sector.

 

Cybersecurity Policy & Government Experts

The specialists develop cybersecurity regulations and national security policies.

1. Chris Krebs (@C_C_Krebs)
Who is he? The previous head of the Cybersecurity and Infrastructure Security Agency was Chris Krebs.
Why follow? Delivers expert analysis on national security strategies and election cybersecurity protection.

2. Bruce Schneier (@schneierblog)
Who is he? Renowned cryptographer and cybersecurity policy expert
Why follow? This expert provides profound analysis on cybersecurity policy while also discussing advancements in AI and encryption techniques.

3. Katie Moussouris (@k8em0)
Who is she? Bug bounty pioneer and security policy expert
Why follow? This professional promotes ethical hacking methods and publicizes security vulnerabilities.

4. Alex Stamos (@alexstamos)
Who is he? Former Facebook CISO and Stanford cybersecurity lecturer
Why follow? Discusses social media security and misinformation threats.

 

Cybersecurity Educators & Trainers

Cybersecurity professionals deliver educational content across blogs and courses while utilizing social media platforms.

1. John Hammond (@_JohnHammond)
Who is he? Cybersecurity YouTuber and educator
Why follow? Provides practical training sessions in ethical hacking and malware analysis techniques.

2. Gerald Auger (@SimplyCyber)
Who is he? Cybersecurity professor and YouTuber
Why follow? Provides career advice and security training.

3. Lesley Carhart (@hacks4pancakes)
Who is she? Incident response expert and educator
Why follow? Discusses the career possibilities in digital forensics and cybersecurity.

 

CISOs & Cybersecurity Business Leaders

Security executives alongside business leaders who shape cybersecurity strategies in large organizations.

1. Caroline Wong (@carolinejwong)
Who is she? Chief Strategy Officer at Cobalt
Why follow? Advocates for security metrics and vulnerability management.

2. Dmitri Alperovitch (@DAlperovitch)
Who is he? Co-founder of CrowdStrike
Why follow? The expert delivers specialized insight into national security threats and cyber warfare dynamics.

3. Theresa Payton (@TrackerPayton)
Who is she? Former White House CIO
Why follow? She provides expert information about cybersecurity policies and cyber risk strategies in government sectors.

 

Cybersecurity Social Media Influencers

We connect with security experts to make cybersecurity understandable to broader groups.

1. Alissa Knight (@AlissaKnight)
Who is she? Cybersecurity influencer, filmmaker, and hacker
Why follow? This influencer delivers content about API protection mechanisms hacking techniques as well as cybersecurity education.

2. Shira Rubinoff (@ShiraRubinoff)
Who is she? Cybersecurity thought leader and author
Why follow? Shares cybersecurity insights for businesses and executives.

Maintaining awareness about cybersecurity risks and opportunities for career advancement becomes possible by following cybersecurity influencers who provide valuable information. Cybersecurity enthusiasts focused on ethical hacking or cloud security should follow these 20 professionals for valuable insights into the dynamic cybersecurity field.  Who do you follow in cybersecurity? Let us know in the comments!