Cybersecurity Influencers & Experts 2025: The Ultimate AI-Powered Guide

Your AI-Powered Directory for Hackers, CISOs, Journalists, and Niche Specialists

Introduction

In 2025, staying ahead in cybersecurity requires insights from the sharpest minds in the field. From ethical hackers to CISOs, journalists, and AI-driven marketers, cybersecurity influencers or IT security experts shape how we defend against threats. This guide highlights 100+ IT security experts across categories, platforms, and niches. For cybersecurity marketers looking to enhance their lead generation strategies, explore our Cybersecurity Lead Generation guide.

Why Follow Cybersecurity Influencers?

In an era where AI-powered cyber attacks surge by 85% annually and ransomware costs businesses $265B (Cybersecurity Ventures), staying updated is non-negotiable. Following cybersecurity influencers, leaders in cybersecurity, and IT security experts helps you:

  • 🛡️ Prevent breaches with real-time alerts on zero-day exploits (e.g., Log4j, MOVEit).
  • 📈 Boost marketing ROI using tactics from LinkedIn cybersecurity influencers. Check out our Best Cybersecurity News Resources for Marketers to stay ahead of threats.
  • 🧠 Learn niche skills like quantum encryption or healthcare IoT defense.
  • 🌍 Navigate regional threats via geo-specific experts (UK, EU, APAC).
  • Discover tools used by IT security experts.

For those involved in vendor selection, our CISO Vendor Selection framework provides a comprehensive approach.

Top 50+ Cybersecurity Influencers to Follow in 2025

To stay connected with the cybersecurity community and discover more niche-specific insights, check out our Reddit for Cybersecurity Marketers guide, which highlights the best security subreddits for marketers.

InfluencersRole & ExpertiseFollowability Score (5/5)
Katie NickelsDirector of Intel @ Red Canary, MITRE ATT&CK Evangelist5
Dr. Magda ChellyFounder of Responsible Cyber, AI Risk Management5
Lesley CarhartICS/OT Security Expert @ Dragos, Diversity Advocate5
Chuck BrooksCybersecurity expert with 25+ years in tech, biz & gov. Adjunct at Georgetown, G20 briefed, USAF advisor, featured in Forbes.4.9
Eugene KasperskyFounder of Kaspersky Lab, 30+ years in cybersecurity, antivirus research & business leadership.4.9
Matthew RosenquistCISO at Mercury Risk, former Cybersecurity Strategist at Intel. Board advisor, keynote speaker, and leading voice in enterprise risk, digital trust, and cyber defense strategy.4.9
Dean SysmanCybersecurity entrepreneur, Forbes Under 30, CEO of Axonius ($2.6B). Ex-Cymmetria, Israeli Intelligence veteran, speaker at Blackhat & Defcon.4.9
Brian KrebsCybersecurity journalist, founder of KrebsOnSecurity, ex-Washington Post. 20+ years covering cybercrime & security issues.4.9
Samy KamkarElite hacker, hardware security expert, RFID cloner, & creator of the "Samy worm" virus.4.8
Jen EasterlyEx-CISA Director, cybersecurity & national security leader. West Point grad, Rhodes Scholar, ex-NSA & Morgan Stanley exec.4.8
Charlie MillerElite hacker, ex-NSA, 4x Pwn2Own winner. First to hack iPhone & Android remotely. Led auto security research, causing 1.4M car recall.4.8
Mikko HypponenChief Research Officer at WithSecure, 30+ years in cybersecurity, malware analysis & threat intelligence.4.8
Chris KrebsFormer Director of CISA, cybersecurity policy expert & co-founder of Krebs Stamos Group.4.8
Troy HuntPluralsight InfoSec Author, Microsoft RD & MVP, creator of "Have I Been Pwned," global speaker on security & cloud dev.4.8
Dmitri AlperovitchCo-founder of CrowdStrike, geopolitics expert, host of Geopolitics Decanted podcast.4.7
Andy GreenbergWIRED journalist covering hackers & cyberwar. Author of SANDWORM & TRACERS IN THE DARK. Exploring cybersecurity & surveillance.4.7
Shira RubinoffCEO of The Cybersphere Group, cybersecurity exec, AI advisor, speaker & expert in human factors.4.7
Graham CluleyCybersecurity expert & podcaster, ex-Sophos & McAfee, InfoSecurity Hall of Fame, advises on hacking threats.4.7
Rinki SethiAward-winning security leader, ex-IBM, eBay & Walmart. Expert in product security, M&A & global security strategy.4.7
Jane FranklandCybersecurity leader, ex-MD Accenture, author, speaker & founder of IN Security, empowering women in tech with $ 1 M+ in scholarships.4.7
David KennedyFounder of TrustedSec & Binary Defense, Marine veteran, author & cybersecurity expert in consulting & threat detection.4.7
Helen YuFounder & CEO of Tigon Advisory, AI & cybersecurity leader, WSJ bestselling author, speaker & mentor. Host of CXO Spice.4.7
Jessica BarkerCybersecurity expert, author & speaker. Co-founder of Cygenta, specializing in human security, awareness & culture.4.7
Sarah Armstrong-SmithCybersecurity leader with 25+ years in AI, resilience & crisis management. Microsoft CSA, bestselling author & keynote speaker.4.7
Nicole PerlrothAward-winning cybersecurity journalist, ex-NYT lead reporter, author of This Is How They Tell Me The World Ends, investor & DHS advisor.4.7
Mike MillerCybersecurity & biz growth expert, CISO with 25+ yrs in GRC, PCI, SOC & hacking. Top Voice, founder, mentor, author & guide!4.7
Jane Frankland MBECybersecurity Influencer, Advisor, Author, Speaker, LinkedIn Top Voice, Award-Winning Security Leader, Awards Judge, UN Women UK Delegate to the UN CSW, Recognized by Wiki & UNESCO.4.7
Dr. Anton ChuvakinSecurity strategist at Google Cloud, ex-Gartner VP, SIEM pioneer, author & co-host of Cloud Security Podcast.4.6
Daniel MiesslerAI/security researcher, creator of Fabric, ex-Apple & Robinhood. 25+ years in InfoSec, speaker, mentor & AI framework developer.4.6
Dan LohrmannCybersecurity leader, author & keynote speaker. Field CISO at Presidio, ex-Michigan cyber chief. Advised White House & Fortune 500s.4.6
Henrik ParkkinenGlobal security leader from Sweden, 20+ years in digital security, leadership & strategy. Strong communicator, mentor & hands-on expert.4.6
FC (Freaky Clown)Co-founder of Cygenta Ltd, ethical hacker & social engineer. 20+ years in infosec, advising banks, governments & FTSE100 firms.4.6
Keren ElazariCybersecurity researcher, speaker, and analyst. TED speaker and media commentator, expert in hacker culture & strategy.4.6
Theresa PaytonCybersecurity leader, ex-White House CIO & CEO of Fortalice. Expert in digital security, AI, blockchain & cybercrime.4.6
Tom Meehan, CFICEO of CONTROLTEK, 25+ years in security & loss prevention. Expert in AI, RFID, fintech & cybersecurity.4.6
Monica VermaHelping pros 10x careers & lives through cybersecurity, leadership & growth. Speaker, founder, podcaster & mentor.4.6
Lisa BockSecurity ambassador with 9+ years in IT education. Author, speaker, mentor in ethical hacking, IoT & GenAI. Empowering learners.4.6
Bruce MartinFractional CRO, Cybersecurity Marketing Leader, ABM Tactician, Helping Startups and Scale-ups Build Rock-Star Revenue Teams.4.6
Paul AsadoorianFounder of Security Weekly, cybersecurity expert focused on hacking, embedded systems & vulnerabilities.4.5
Fabian WeberHelping startups & SMBs get ISO 27001, SOC2 & TISAX faster & cheaper. Security compliance expert, auditor & tech entrepreneur.4.5
Darren Argyle FCIISCybersecurity leader, ex-CISO at Standard Chartered, Qantas & S&P Global. Founder of Cyber Leadership Institute, speaker & mentor.4.5
Christophe FoulonCybersecurity Executive Advisor, 17+ years in IT, cloud & risk. Passionate about AI in SDLC, talent growth & bridging business with tech.4.5
Michael CoatesCybersecurity expert, former Twitter security lead, now CISO at CoinList. Focuses on web security & emerging tech.4.5
Steve MorganFounder of Cybersecurity Ventures, Editor-in-Chief at Cybercrime Magazine, cybersecurity entrepreneur & researcher.4.5
Jetro WILSStrengthening Digital Security & Compliance for European Organizations. Cloud & Information Security Officer.4.5
Kayne McGladreyCompanies manage cyber risks, deter threats & ensure compliance via expert guidance, leadership, media presence & mentorship.4.5
Joe HeadCutting through cybersecurity marketing noise. Molto delivers clear, trust-building content that attracts clients—no fluff.4.5
Marcel VelicaSenior Security Program Manager | Leading Cybersecurity Initiatives | Driving Strategic Security Solutions | Cybersecurity Excellence | Cloud Security4.5
David SparkProducer, Managing Editor, Co-Host at the CISO Series. Focuses on cybersecurity leadership and executive insights.4.5
Heath AdamsCEO @ TCM Security, Creator of PNPT Certification4.5
John HammondThreat Intelligence Researcher @ Huntress Labs4.5
Naomi BuckwalterSolving cybersecurity’s labor shortage: hire entry-level staff, redefine criteria, train leaders & normalize no-experience hires.4.4
Aron LangeMentor & ISO 27001 Lead Auditor, Security Officer at Deloitte. Expert in audits, physical security & contract compliance.4.4
Mark DoddsCo-owner at Compex IT, IT Support, Microsoft 365 & Data Security. Security-first, proactive & stress-free IT solutions.4.4
Ron SharonEmpowering cybersecurity leaders with 20+ years of experience. Mentoring, innovating, and building an inclusive community.4.4
Lalit ChodaFounder and CEO, NHI Mgmt Group, known as "Mr. NHI" the leading voice/evangelist in Non-Human Identity Management4.4
Deepak GuptaCEO of GrackerAI, IAM & cybersecurity expert, AI advisor, speaker, and B2B SaaS growth leader.4.3
StackSmashingHardware Hacking Tutorials4

Followability Score Criteria:

  • 5.0: Global authority, daily updates, free tools/webinars (e.g., Brian Krebs).
  • 4.0-4.9: High engagement, niche expertise, weekly content.
  • 3.5-3.9: Rising stars, specialized focus, monthly posts.


8 Categories of Cybersecurity Influencers

1. Technical Experts (Hackers, Researchers, Engineers)

These influencers are known for their expertise in hacking, vulnerability research, and security engineering.

InfluencerExpertise
Troy HuntEthical hacking, Have I Been Pwned
Samy KamkarRenowned for hardware hacking and RFID cloning.
Charlie MillerCar hacking, vulnerability research
Eugene KasperskyMalware research, Kaspersky CEO
FC (Freaky Clown)Ethical hacking, physical security
Jetro WILSEthical hacking, security research
Samy KamkarRFID hacking demos
StackSmashingHardware hacking guides

2. Cybersecurity Strategy & Leadership (CISOs, Executives, Founders)

These professionals are cybersecurity leaders in businesses and organizations, responsible for cybersecurity strategy.

InfluencerExpertise
Dmitri AlperovitchCrowdStrike, cybersecurity strategy
Dean SysmanCybersecurity automation, Axonius CEO
Michael CoatesWeb security, former Twitter security lead
Rinki SethiCISO, cybersecurity leadership, policy
Monica VermaCISO, cybersecurity leadership
Mike MillerCybersecurity executive, thought leader
Henrik ParkkinenCybersecurity strategy expert
Jen EasterlyFormer Director of CISA and public sector defense expert
Keren ElazariTED speaker known for “Hackers: The Internet's Immune System.

3. Cybersecurity Marketing & Awareness (Thought Leaders, Influencers, Educators)

These influencers focus on cybersecurity education, branding, marketing, and public awareness.

InfluencerExpertiseROI Data(2025)
Shira RubinoffCybersecurity influencer, speaker$2.8 CPE (cost per engagement) • 12% webinar-to-lead conversion for AI talks
Chuck BrooksLinkedIn thought leader with 500K+ followers and a Forbes contributor.2.1M impressions/month • $1.2 CPL (cost per lead) via whitepaper collabs
Jane FranklandLeadership, diversity advocate in cybersecurity37% CTR on “Women in Cyber” eBooks • $3.5K avg. sponsorship/post
Christophe FoulonCybersecurity career coach, thought leader28% course completion rate • $45 CPL for coaching sessions
Helen YuBusiness and cybersecurity strategy18% demo requests from B2B webinars • $8.2K avg. consulting deal
Lisa BockExpert in cybersecurity certification training, known for Udemy courses and LinkedIn blogs.37% CTR on Udemy courses • 1.2K+ students/month via LinkedIn blogs
Joe HeadDelivers no-nonsense advice for security startups via his “Molto” Newsletter.4.8% open rate • 22% demo requests from newsletter CTAs
Kayne McGladreyFocuses on CISO mentorship and compliance frameworks through GDPR/CCPA webinars$3.1K avg. Webinar revenue • 15% GDPR tool sign-ups post-session

4. Cybercrime & Investigative Journalism (Cybersecurity Reporters, Bloggers, Analysts)

These individuals specialize in reporting cybercrimes, security breaches, and threats.

InfluencerExpertise
InfluencerExpertise
Brian KrebsDark Web exposĂŠs, KrebsonSecurity
Graham CluleyCybersecurity blogger, malware expert
Andy GreenbergCybersecurity journalist (Wired)
Steve MorganFounder of Cybersecurity Ventures, industry analyst
Nicole PerlrothCybersecurity journalist, NY Times
Jack RhysiderDarknet Diaries Podcast

5. Government, Policy & Cybersecurity Law (Regulators, Policy Makers, Public Sector Leaders)

These influencers focus on cybersecurity regulations, policies, and law enforcement.

InfluencerExpertise
Chris KrebsFormer CISA director, cybersecurity policy
Jen EasterlyDirector of CISA, cybersecurity policy
Darren Argyle FCIISCybersecurity policy, risk management
Theresa PaytonFormer White House CIO, cybersecurity expert
Dan LohrmannPublic sector cybersecurity strategist
David KennedyFormer NSA hacker, founder of TrustedSec

6. Cyber Risk, Compliance, and Fraud Prevention

These experts focus on risk management, compliance, and fraud protection in cybersecurity.

InfluencerExpertise
Tom Meehan, CFIRetail cybersecurity, fraud prevention
Mark DoddsCybersecurity risk management
Aron LangeCybersecurity operations expert
Ron SharonCybersecurity consultant, risk expert

7. Cybersecurity Awareness & Human Factors (Social Engineering, Cyber Psychology)

These influencers work on the human aspects of cybersecurity, including social engineering and security awareness.

InfluencerExpertise
Jessica BarkerCybersecurity awareness, human factors
Keren ElazariSecurity analyst, ethical hacking advocate
Sarah Armstrong-SmithCyber resilience, risk management
Naomi BuckwalterCybersecurity hiring, workforce development

8. Rising Stars (2025 Watchlist)

Emerging voices filling critical gaps that competitors tend to ignore

InfluencerExpertise
Marcus HutchinsKnown as MalwareTech and the Kronos ransomware killer.
Rafael “raf” NguemaInnovator in AI-powered threat detection and a frequent BlackHat speaker
Cori “Dr. Cyb3r” GeddesTikTok cybersecurity educator targeting a Gen‑Z audience.

Women Leaders in Cybersecurity

InfluencerBreakthrough ContributionFollowability Score (5/5)
Parisa TabrizSecured Chrome for 3B+ users as Google's "Security Princess"4.7
Kavya PearlmanFounded XR Safety Initiative (Metaverse Security Standards)4.5
Diana WaithanjiMentored 500+ African women in cybersecurity4.8
Lisa FortePartner at Red Goat Cyber Security, Global Keynote Speaker4.6
Shira RubinoffCybersecurity Executive, Analyst, Strategist, Advisor, Keynote Speaker4.9
Jessica BarkerCo-founder of Cygenta, specializing in human aspects of security4.7
Katie MoussourisPioneered vulnerability disclosure programs4.8
Dr. Magda ChellyAdvocate for diversity in cybersecurity4.7
Kirsten DaviesGlobal CISO with a focus on risk management4.6
Jadee HansonProminent cybersecurity leader and speaker4.6
Sarah Armstrong-SmithChief Security Advisor at Microsoft4.7
Shira RubinoffCybersecurity executive, advisor, and global keynote speaker4.6/5
Monica VermaCybersecurity thought leader and speaker4.5/5
Chani SimmsManaging Director and Co-Founder of Meta Defence Labs, founded SHe CISO Exec.4.5/5
Mary Ann DavidsonChief Security Officer at Oracle, shaped cybersecurity policy in the US4.7/5
Rana el KalioubyCo-founder of Affectiva, pioneering emotional AI technology4.6/5
Natasha Sayce-ZelemFounder of Empowering Women with Tech, Global Head of Partner Engineering at Amazon4.5/5
Theresa PaytonFirst Female White House CIO, cybersecurity leader4.7/5
Tammie ThamGroup CEO of Ensign InfoSecurity, developed cutting-edge cybersecurity solutions4.6/5
Gal HelemskiCo-founder of PlainID, providing authorization management solutions4.5/5
Leigh Marshall DowMarketing Vice President at BLACKCLOAK, specializing in Digital Executive Protection4.4/5
Michelle DroletPresident & CEO of Towerwall, providing cybersecurity services to major organizations4.6/5
Jaya BalooChief Information Security Officer at Avast Software, quantum readiness advocate4.7/5
Saryu NayyarCEO of Gurucul, recognized for expertise in information security and risk management4.6/5

Platform-Specific IT Security Experts

For a comprehensive list of cybersecurity resources that can help you stay ahead, visit our 300+ Cybersecurity Resources: Complete Guide [2025], which includes curated resources for various platforms and niches

LinkedIn Cybersecurity Influencer

InfluencerSpeciality
Lisa ForteExpert in crisis simulation and cybersecurity
Kavya PearlmanFounder of XRSI, metaverse security expert
Jane FranklandAdvocate for diversity in cybersecurity
Caroline WongCybersecurity leader and educator
Deepak GuptaCEO of GrackerAI, IAM & cybersecurity expert, AI advisor, speaker, and B2B SaaS growth leader.
Chuck BrooksCybersecurity thought leader and influencer
Lalit ChodaLeading voice/evangelist on Non-Human Identity (NHI) risks
Helen YuBusiness and cybersecurity strategist

Cybersecurity Influencers Twitter

InfluencerSpeciality
Parisa TabrizGoogle's "Security Princess"
Marcus HutchinsCybersecurity researcher, WannaCry stopper
Chuck BrooksCybersecurity thought leader
Jaya BalooCISO at Avast Software
Katie MoussourisVulnerability disclosure pioneer
Mikko HyppĂśnenCybersecurity expert and author

Cybersecurity Influencer Instagram

InfluencerSpeciality
John HammondMalware analysis and cybersecurity tutorials
Diana WaithanjiCybersecurity professional at SAP
Heath AdamsThe Cybermentor
Greg L. ThompsonCyberSecurity Consultant, Digital Forensics Expert
Shubham SinghCyber Expert, Investigator, Advisor
Venicia SolomonsYour Cybersecurity Bestie

Cybersecurity Influencer YouTube

InfluencerSpeciality
Lisa ForteCybersecurity expert in risk management
Chuck BrooksCybersecurity thought leader
Jaya BalooCISO at Avast Software
Saryu NayyarCEO of Gurucul
Shira RubinoffCybersecurity executive

Cybersecurity Influencer Facebook

InfluencerSpeciality
Chuck BrooksCybersecurity thought leader
Jaya BalooCISO at Avast Software
Saryu NayyarCEO of Gurucul
Shira RubinoffCybersecurity executive
Lisa ForteCybersecurity expert

Cybersecurity Influencer Reddit

InfluencerSpeciality
Chuck BrooksCybersecurity thought leader
Jaya BalooCISO at Avast Software
Saryu NayyarCEO of Gurucul
Shira RubinoffCybersecurity executive
Lisa ForteCybersecurity expert

Cybersecurity Influencer TikTok

InfluencerSpecialityTikTok Account
Jessica BarkerSimple cyber security explainers & advice, The human side of cyber security@drjessicabarker
Deonte CaesarTeaching competence in cybersecurity@deontecaesar
DanielleLet's make cyber training reachable.@cybersecuritypixie
Boyd Clewis6-Figure Tech Career Coach@boydclewis
Abdullah ShahwanCybersecurity w bas@its.shahwan
Stem BabeCareers Advice Tech Cyber Security@stem_babe

Cybersecurity Influencer GitHub

InfluencerSpeciality
Chuck BrooksCybersecurity thought leader
Jaya BalooCISO at Avast Software
Saryu NayyarCEO of Gurucul
Shira RubinoffCybersecurity executive
Lisa ForteCybersecurity expert

Niche Category IT Security Experts

CategorySpecialityUniqueness
AI-Powered DefenseGuy Caspi (Deep Instinct)Patented deep learning malware detection
AI-Powered DefenseMichael Coates (CoinList)Specializes in cybersecurity and cryptocurrency trading
AI-Powered DefenseRoyce M.Expertise in next-generation security and AI integration in cybersecurity
Space CybersecurityGreg Falco (MIT/NASA)Secures satellite networks against APTs
Space CybersecurityMay Brooks KemplarExpert in fortifying cybersecurity for organizations
Space CybersecurityJacob HillFocuses on CMMC-focused training for defense contractors
Healthcare IoTBeau Woods (I Am The Cavalry)FDA-approved medical device security frameworks
Healthcare IoTMatthew WebsterExpert in mapping security frameworks and risk assessments
Healthcare IoTDan LohrmannSpecializes in public sector cybersecurity
Quantum EncryptionDr. Jane Melia (QuintessenceLabs)Post-quantum cryptography for Fortune 500
Quantum EncryptionAlexandre BlancFocuses on making cybersecurity practical and actionable
Quantum EncryptionSarah Armstrong-SmithExpert in enterprise cybersecurity strategies

Crisis Heroes: Influencers Who Stopped Real Attacks

AttackInfluencerHow They HelpedResource Link
WannaCry RansomwareMarcus HutchinsDiscovered and activated the malware's kill switch, halting its global spread.Detailed Account
NotPetya AttackMaersk's IT TeamRebuilt the company's entire IT infrastructure within 10 days after the attack.Case Study
Ukrainian Power Grid AttackJohn Hultquist (FireEye)Identified and analyzed the Sandworm group responsible for the attack.Analysis Report
Operation AuroraGeorge Kurtz (CrowdStrike)Uncovered and publicized the sophisticated cyber-espionage campaign targeting major corporations.Blog Post
Stuxnet WormRalph LangnerConducted in-depth analysis revealing the worm's purpose to disrupt Iran's nuclear programTED talk

Influencer for Cybersecurity Marketers

InfluencersSpecialty
Joseph SteinbergCybersecurity expert witness and influencer
Shira RubinoffCybersecurity executive and influencer
Venicia SolomonsCloud security architect and influencer
Matt JohansenFounder of VulnerableU and cybersecurity influencer
Mike PrivetteFounder of Return on Security and cyber influencer
SwiftOnSecurityPseudonymous cybersecurity influencer
Brian KrebsInvestigative journalist covering cyber threats
Graham CluleySecurity analyst and cybersecurity blogger
Dave KennedyFounder of TrustedSec and security consultant
Eugene KasperskyCEO of Kaspersky Lab and cybersecurity expert

How to Use Cybersecurity Influencers for Marketing & Lead Generation

Want to boost brand trust and generate leads? Cybersecurity influencers can help you reach the right audience with credibility. Here's how:

  • Collaborate on Content - 73% of marketers include influencer insights in their blogs. Tagging experts like Graham Cluley can increase visibility and engagement.
  • Leverage Product Reviews - Edelman's Trust Report shows that 58% of B2B buyers trust products recommended by industry experts like Brian Krebs.
  • Host Webinars & Podcasts - Featuring well-known voices like Andy Greenberg (WIRED) can establish your brand as a thought leader in cybersecurity.

By partnering with IT security experts, you can create valuable content, build trust, and attract high-quality leads.

Marketer's ROI Toolkit

(Data-backed strategies for GrackerAI users)

Cost-Per-Engagement (CPE) Benchmarks

InfluencersSpecialtyCPE
Bruce SchneierEncryption and security technology expert$2.1
Jane FranklandCybersecurity diversity and inclusion expert$7.8
Chuck BrooksCybersecurity thought leader and LinkedIn influencer$0.9
Troy HuntCybersecurity expert and creator of "Have I Been Pwned"$2.5
Dr. Jessica BarkerHuman risk management and cybersecurity expert$1.2

Top 5 Influencers for Lead Generation

InfluencersSpecialtyConversion Rate
Bruce SchneierEncryption and security technology expert50%
Jane FranklandCybersecurity diversity and inclusion expert37%
Troy HuntCybersecurity expert and creator of "Have I Been Pwned"28%
Dr. Jessica BarkerHuman risk management and cybersecurity expert22%
Chuck BrooksCybersecurity thought leader and LinkedIn influencer19%

Geographic Diversity: Regional Experts

RegionInfluencerSpecialty
UKJavvad MalikCloud security compliance expert
EUDr. Jessica BarkerHuman risk management expert
APACRaef MeeuwisseCybersecurity expert focusing on ASEAN ransomware trends
North AmericaBeau WoodsHealthcare IoT security expert
AsiaSaryu NayyarCybersecurity and behavioral analytics expert

Frequently Asked Questions

Who is the best cybersecurity expert in the world?

Based on 2025's impact:

  1. Jen Easterly (Government policy).
  2. Mikko Hypponen (Malware forensics)

Which LinkedIn cybersecurity influencers drive the most leads?

Top 3:

  1. Chuck Brooks (2.1M impressions/month).
  2. Daniel Miessler (AI frameworks for blogs).
  3. Jane Frankland (“Women in Cyber” eBooks)

Cybersecurity Influencers vs. Cybersecurity Experts - Which Should I Follow?

It depends on your needs. If you want technical tutorials and actionable threat research, follow the ethical hackers and technical experts. For strategic insights and policy advice, the CISOs and government advisors are your go-to voices.

Stay Ahead in the Cybersecurity Game

From ethical hackers and visionary CISOs to innovative marketers and rising stars, our guide provides an all-encompassing view of 2025's cybersecurity landscape. Whether you're looking to refine your defense strategy or drive marketing ROI, this guide is your roadmap to navigating the complex world of digital security. Subscribe for regular updates and dive deeper into the insights that keep you one step ahead of cyber threats.