The 90 voices
The reference list this tracker is built around. 55 of the 90 publish a blog or outlet feed that is polled directly — those are marked tracked. The rest post mainly on X, which needs paid API access to read.
Source: Feedspot's Top 90 Cyber Security Influencers,
captured 2026-08-09. Follower counts are from that snapshot and will drift.
| # | Name | Handle | Followers | Tier | Feed |
|---|---|---|---|---|---|
| 1 | Robert Herjavec Founder & CEO of global cybersecurity firm Cyderes. Shark on ABC's Shark Tank, Dragon on CBC's Dragon's Den. Best-selling author. |
@robertherjavec | 798,200 | Macro | tracked Robert Herjavec |
| 2 | SwiftOnSecurity Computer security person. Former helpdesk. Microsoft MVP in Security 2018-2023. |
@swiftonsecurity | 414,800 | Macro | tracked SwiftOnSecurity (Mastodon) |
| 3 | John Hammond Cybersecurity researcher at Huntress. Just Hacking Training. |
@_johnhammond | 308,800 | Macro | tracked Huntress Blog |
| 4 | Kevin Mitnick Chief Hacking Officer at KnowBe4. Security consultant, public speaker and author. |
@kevinmitnick | 286,300 | Macro | tracked Mitnick Security |
| 5 | Troy Hunt Creator of Have I Been Pwned. Microsoft Regional Director. Pluralsight author. Australian. |
@troyhunt | 242,100 | Macro | tracked Have I Been Pwned |
| 6 | Eugene Kaspersky CEO of Kaspersky. 30+ years in cybersecurity. |
@e_kaspersky | 187,000 | Macro | tracked Eugene Kaspersky |
| 7 | Eva Galperin Director of Cybersecurity at the EFF. Co-founder of the Coalition Against Stalkerware. |
@evacide | 185,300 | Macro | tracked Eva Galperin (Mastodon) |
| 8 | Lesley Carhart ICS DFIR at Dragos. Martial artist, marksman, humanist, USAF retired. They/them. |
@hacks4pancakes | 158,700 | Macro | tracked Lesley Carhart (tisiphone) |
| 9 | Meg West Cybersecurity, dogs, travel and fitness. Opinions are their own. |
@cybersecmeg | 154,300 | Macro | tracked Meg West |
| 10 | Daniel Miessler Founder of Unsupervised Learning. Building AI that magnifies humans. |
@DanielMiessler | 154,100 | Macro | tracked Unsupervised Learning |
| 11 | Jason Haddix CEO, CISO, trainer, hacker and speaker at Arcanum InfoSec. AI + hacking + security leadership. |
@jhaddix | 150,500 | Macro | tracked Jason Haddix |
| 12 | Bruce Schneier Internationally renowned security technologist and author, described by The Economist as a 'security guru'. |
@schneierblog | 142,300 | Macro | tracked Schneier on Security |
| 13 | Binni Shah Linux evangelist, malware and security enthusiast, investor. |
@binitamshah | 135,300 | Macro | tracked Binni Shah |
| 14 | Jake Williams Breaker of software. VP R&D at Hunter Strategy. CTI/DFIR. IANS faculty. GSE #150. He/him. |
@malwarejake | 134,200 | Macro | tracked Jake Williams (Mastodon) |
| 15 | Katie Moussouris CEO of Luta Security. MIT and Harvard visiting scholar, Mason NatSec fellow, hacker. |
@k8em0 | 115,300 | Macro | tracked Katie Moussouris |
| 16 | Jeff Moss Founder of Black Hat and DEF CON. CISA Cyber Security Advisory Council, UK Gov Cyber Advisory Board. He/him. |
@thedarktangent | 109,700 | Macro | tracked Jeff Moss |
| 17 | hackerfantastic.x Co-founder of Hacker House. Cybersecurity and Web3. Author of Hands-on Hacking. |
@hackerfantastic | 104,900 | Macro | tracked hackerfantastic.x |
| 18 | Lady G Security engineer, genetic scientist, NYU alum, AWS Cert SME, NSIN emerging leader 2022. |
@gabsmashh | 104,500 | Macro | tracked Lady G |
| 19 | Alex Stamos Security leader and researcher, Stanford. |
@alexstamos | 97,700 | Micro | tracked Alex Stamos |
| 20 | Nicole Perlroth Cyber raconteur. Bestselling author of 'This Is How They Tell Me The World Ends'. Previously cyber at the NYT. |
@nicoleperlroth | 91,800 | Micro | tracked Nicole Perlroth |
| 21 | Jackie Singh Building Kinexis AI. Journalism and infosec. Previously US Army, GDMS, Mandiant, Intel. |
@hackingbutlegal | 90,000 | Micro | tracked Jackie Singh |
| 22 | Rob Fuller IAM, red team and CTI director. Hak5, NoVAHackers, National CCDC, MARFORCYBER auxiliary. |
@mubix | 81,300 | Micro | tracked Rob Fuller (malicious.link) |
| 23 | Robert M. Lee Co-founder and CEO of Dragos. SANS FOR578 and ICS515 course author. NSA and USAF veteran. |
@robertmlee | 79,100 | Micro | — |
| 24 | Eric Geller Senior reporter at Cybersecurity Dive covering all things digital security. Co-host of Hot Takes. |
@ericgeller | 77,000 | Micro | tracked Cybersecurity Dive |
| 25 | Joseph Steinberg Cybersecurity expert witness and board member. Lecturer, Columbia University. |
@JosephSteinberg | 70,300 | Micro | tracked Joseph Steinberg |
| 26 | Jeremiah Grossman InfoSec pro and investor. Founded WhiteHat Security and Bit Discovery. BJJ black belt. |
@jeremiahg | 65,100 | Micro | tracked Jeremiah Grossman |
| 27 | Maddie Stone Security researcher. Previously Google Project Zero and TAG. 0days all day. She/her. |
@maddiestone | 64,000 | Micro | tracked Google Project Zero |
| 28 | Ed Skoudis President of SANS Technology Institute College. SANS fellow. CEO of Counter Hack. RSA keynoter. |
@edskoudis | 62,400 | Micro | — |
| 29 | Brute Logic Cybersecurity R&D. XSS and WAF bypass research. Hack to learn. |
@brutelogic | 59,900 | Micro | — |
| 30 | Richard Bejtlich TaoSecurity. Inactive on Twitter since 1 November 2022. |
@taosecurity | 59,100 | Micro | tracked TaoSecurity |
| 31 | Adam Levin Consumer advocate. Former host of the 'What the Hack' podcast. Author of Swiped. Founder of CyberScout. |
@adam_k_levin | 57,900 | Micro | — |
| 32 | Shira Rubinoff Cybersecurity and AI advisor, thought leader, keynote speaker and author. |
@shirastweet | 56,300 | Micro | — |
| 33 | Ray Associate producer emeritus of Darknet Diaries. Cybersecurity researcher. He/him. |
@rayredacted | 56,200 | Micro | — |
| 34 | Katie Nickels Director of Intel at Red Canary. SANS certified instructor for FOR578 CTI. She/her. |
@likethecoins | 55,000 | Micro | tracked Red Canary |
| 35 | Lisa Forte Cyber security partner at Red Goat. Climber and caver. She/her. |
@lisaforteuk | 54,900 | Micro | — |
| 36 | Marcus J. Carey Hacker, author, artist, mentor and inventor. Tribe of Hackers. Ex US Navy, NSA, Threatcare. |
@marcusjcarey | 52,600 | Micro | — |
| 37 | Chris Vickery Data breach hunter. InfoSec and cybersecurity. |
@vickerysec | 52,100 | Micro | — |
| 38 | Tracy Maleeff Librarian turned infosec. Philadelphia. |
@infosecsherpa | 51,600 | Micro | tracked Tracy Maleeff |
| 39 | Eric Vanderburg Cybersecurity, privacy and tech leader, author, consultant and speaker. VP Cybersecurity at TCDI. |
@evanderburg | 51,500 | Micro | — |
| 40 | Kenneth Holley Founder and chairman of Silent Quadrant. Principal architect of digital resilience. |
@kennethholley | 45,600 | Micro | — |
| 41 | Richard Stiennon Cybersecurity industry analyst. Curating data on 3,800+ vendors and 10,400+ products. |
@stiennon | 45,300 | Micro | — |
| 42 | Bob Carver Cybersecurity, infosec, IoT, privacy, AI/ML and cloud commentary. Keynote speaker. |
@cybersecboardrm | 44,500 | Micro | — |
| 43 | Jobert Abma Co-founder of HackerOne. Tweets about security and life as a hacker. |
@jobertabma | 42,300 | Micro | — |
| 44 | Dan Goodin Security editor at Ars Technica. |
@dangoodin001 | 40,800 | Micro | tracked Ars Technica Security |
| 45 | Heath Adams Founder of TCM Security. YouTuber, professor, veteran. TCM Academy and PNPT. |
@thecybermentor | 40,100 | Micro | — |
| 46 | Dr. Anton Chuvakin SIEM, DFIR and EDR. Formerly Gartner, now Google Cloud Office of the CISO. Host of Cloud Security Podcast. |
@anton_chuvakin | 39,800 | Micro | tracked Anton Chuvakin |
| 47 | Dustin Volz Wall Street Journal reporter covering cyber and intelligence. Previously Reuters and National Journal. |
@dnvolz | 36,800 | Micro | — |
| 48 | Brian Honan CEO of BH Consulting, head of Ireland's CSIRT (IRISSCERT), former special advisor on cybersecurity to Europol. |
@BrianHonan | 36,000 | Micro | tracked BH Consulting |
| 49 | Wendy Nather Security research and strategy, Cisco. |
@wendynather | 33,900 | Micro | tracked Wendy Nather (Mastodon) |
| 50 | Whitney Merrill DPO. Privacy and infosec lawyer. Hacker. Fighting for privacy and digital civil liberties. Ex EA, FTC. |
@wbm312 | 32,300 | Micro | tracked Whitney Merrill (Mastodon) |
| 51 | Mohit Kumar Founder of The Hacker News. Cyber alchemist, educator by choice. |
@unix_root | 32,000 | Micro | tracked The Hacker News |
| 52 | Kelly Shortridge Senior director at Fastly. Software resilience and modern infosec. |
@swagitda_ | 31,600 | Micro | tracked Kelly Shortridge |
| 53 | Alan Woodward Computer scientist with interests in cybersecurity and quantum technology. University of Surrey. |
@profwoodward | 31,600 | Micro | — |
| 54 | Whitney Champion Lead solutions architect at LimaCharlie. Founder of Recon InfoSec. HackerTracker creator. She/her. |
@shortxstack | 31,000 | Micro | — |
| 55 | Daphne Keller Platform Regulation Director, Stanford Cyber Policy Center. Former Google associate general counsel. |
@daphnehk | 30,700 | Micro | tracked Stanford Cyberlaw |
| 56 | Kate Brew Editor of a corporate cybersecurity blog. OWASP and LASCON ATX. Georgia Tech alum. |
@securitybrew | 29,500 | Micro | — |
| 57 | Swati Khandelwal Senior cybersecurity and privacy reporter for The Hacker News. |
@swati_thn | 27,800 | Micro | tracked The Hacker News |
| 58 | Ryan Naraine Host of Three Buddy Problem. Writing at SecurityWeek. Conference: LABScon. |
@ryanaraine | 27,800 | Micro | tracked SecurityWeek |
| 59 | Dr Magda Chelly Founder of Responsible Cyber. Four books. TEDx speaker. WEF expert network cybersecurity. PhD, S-CISO, CISSP. |
@m49D4ch3lly | 26,000 | Micro | — |
| 60 | Corelan Infosec researcher and trainer. Exploit development. |
@corelanc0d3r | 25,500 | Micro | tracked Corelan |
| 61 | Chris Parker Founder of WhatIsMyIPAddress. Online privacy, safety and cybersecurity. Host of the Easy Prey podcast. |
@chrispcritters | 23,000 | Micro | — |
| 62 | Rafay Baloch Cybersecurity researcher, published author, public speaker. Featured by Forbes, BBC and WSJ. |
@rafaybaloch | 21,300 | Micro | tracked Rafay Baloch |
| 63 | Window Snyder Founder and CEO of Thistle Technologies. |
@window | 21,200 | Micro | — |
| 64 | Keren Elazari Friendly hacker and security researcher. Founder of BSidesTLV and Leading Cyber Ladies. TED speaker. |
@k3r3n3 | 21,000 | Micro | — |
| 65 | Steve Morgan Founder of Cybersecurity Ventures, editor-in-chief at Cybercrime Magazine. |
@cybersecuritysf | 19,900 | Micro | tracked Cybercrime Magazine |
| 66 | Rob May Cybersecurity ambassador and AI thought leader. Founder of ramsac. TEDx and keynote speaker. |
@robmay70 | 19,800 | Micro | — |
| 67 | James Arlen Infosec geek, hacker, social activist, author, speaker. Chief Information Security Officer. |
@myrcurial | 19,100 | Micro | tracked James Arlen (Mastodon) |
| 68 | Jessica Barker Human cyber security. Co-founder of Cygenta. Author of the bestseller Confident Cyber Security. |
@drjessicabarker | 18,800 | Micro | — |
| 69 | Javvad Malik The unholy alliance between information security and cynicism, wrapped in storytelling and YouTube. |
@j4vv4d | 16,900 | Micro | tracked Javvad Malik |
| 70 | Marc Goodman Global security adviser and futurist. NY Times bestselling author. Disruptive impact of advancing tech. |
@futurecrimes | 16,800 | Micro | — |
| 71 | Eleanor Dallaway Tech journalist. Founder of Assured Intelligence. Published in The Guardian, The Times and Infosecurity. |
@eleanordallaway | 16,600 | Micro | tracked Assured Intelligence |
| 72 | Rinki Sethi VP and CISO at Bill.com. Board member at ForgeRock. Ex Twitter, Rubrik, IBM, Palo Alto Networks. |
@rinkisethi | 14,500 | Micro | — |
| 73 | Raj Samani Chief scientist at Rapid7 (ex McAfee). Co-author of the CSA Guide to Cloud. Advisor to Europol EC3. |
@raj_samani | 14,400 | Micro | tracked Rapid7 Blog |
| 74 | Rik Ferguson Security researcher and VP of security intelligence. |
@rik_ferguson | 14,000 | Micro | — |
| 75 | Christophe Veltsos University professor on cyber risk and systemic risk. He/him. |
@drinfosec | 13,500 | Micro | tracked Christophe Veltsos (Mastodon) |
| 76 | Ted Demopoulos Author of Getting Started in InfoSec Consulting. Independent consultant, keynote speaker, SANS instructor. |
@teddemop | 13,100 | Micro | — |
| 77 | Jane Frankland Award-winning leader, speaker, bestselling author, awards judge and women's activist. |
@janefrankland | 12,200 | Micro | tracked Jane Frankland |
| 78 | Theresa Payton CEO of Fortalice. Advisor to global boards. Cybersecurity and business intelligence. Author of Manipulated. |
@TrackerPayton | 11,900 | Micro | — |
| 79 | Teri Radichel CEO of 2nd Sight Lab. Cybersecurity author, pentester and instructor. AWS Security Hero. GSE 240. |
@teriradichel | 10,300 | Micro | tracked Teri Radichel (Cloud Security) |
| 80 | Tim Starks Senior reporter at CyberScoop. Russia-sanctioned. Ex Washington Post and Politico. |
@timstarks | 9,300 | Nano | tracked CyberScoop |
| 81 | Adrian Sanabria The Defenders Initiative. Enterprise Security Weekly podcast. Founder of BSides Knoxville. IANS faculty. |
@sawaba | 9,300 | Nano | tracked Adrian Sanabria (Mastodon) |
| 82 | Kim Nash Deputy editor, WSJ Pro Cybersecurity. Corporate and government cybersecurity issues. |
@knash99 | 8,700 | Nano | — |
| 83 | Rebecca Herold The Privacy Professor. Privacy & Security Brainiacs SaaS services. Infosec/privacy/IT engineer and expert witness. |
@privacyprof | 7,300 | Nano | — |
| 84 | Jeff Stone Editor at Bloomberg tracking info ops, scams, hacks and weirdness. |
@jeffstone500 | 6,700 | Nano | — |
| 85 | Christina Camilleri Leading trust & safety for Netflix Games. Previously infosec at Riot Games and Bishop Fox. |
@0xkitty | 6,300 | Nano | — |
| 86 | Dave Bittner Host of the CyberWire, Hacking Humans and Caveat podcasts. |
@bittner | 5,400 | Nano | tracked Dave Bittner (Mastodon) |
| 87 | Dr. Alissa Abdullah Fortune 100 CSO. Former deputy CIO at the White House. Podcasts: Mastering Cyber and CISO 500. |
@dralissajay | 5,200 | Nano | — |
| 88 | Kevin Beaumont Security researcher, writes at DoublePulsar. |
@GossiTheDog | 1,700 | Nano | tracked DoublePulsar |
| 89 | Sivan Tehila Founder and CEO of Onyxia Cyber. Program director of cybersecurity at Yeshiva University. |
@securitywitch | 1,500 | Nano | tracked Onyxia Cyber |
| 90 | InfoSanta Cybersecurity educator and engineer. Writer, keynote speaker, LinkedIn Learning author. She/her. |
@stephandsec | 13 | Nano | tracked InfoSanta (Mastodon) |