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The cybersecurity landscape can be tricky to understand and follow as it is constantly changing. These cybersecurity experts and influencers are some of the most trusted names in the business that do their best to shine light on a complicated industry. These are all experts who are thought leaders, accomplished speakers, and active in the cybersecurity arena on social media and we believe they are worth a follow.


Brian Krebs .@briankrebs (294.9K follower)
Brian Krebs worked as a reporter for The Washington Post from 1995 to 2009, authoring more than 1,300 blog posts for the Security Fix blog. As an independent investigative journalist, he writes about cybercrime on his website, KrebsonSecurity. He is also the author of “Spam Nation,” a New York Times bestseller.

Bruce Schneier .@schneierblog (126.1K followers)
Bruce Schneier is an internationally renowned security technologist and author. Described by The Economist as a “security guru,” he is a special advisor to IBM Security, a fellow and lecturer at Harvard’s Kennedy School, and a board member of EFF.

Graham Cluley .@gcluley (99.2K followers)
Since the early 1990s, Graham Cluley has been at the head of the InfoSec world. His expertise has led him to roles with some of the biggest security names such as McAfee and Sophos. In 2011, he was inducted into the InfoSecurity Hall of Fame in Europe. Now he concentrates on cybercrime news and speaking on security issues all over the world. He is the co-host of @SmashinSecurity podcast.

Zack Whittaker .@zackwhittaker (60.9K followers)
Zack Whittaker is a security editor for TechCrunch. He is also a writer-editor at CBS Interactive, covering primarily cybersecurity and national security with a tech focus. Citations include The New York Times, BBC News, Foreign Policy, Fortune, Reuters, The Washington Post, Wired, and more.

Dan Goodin .@dangoodin001 (38K followers)
Dan Goodin is security editor at Ars Technica, where he oversees coverage of malware, computer espionage, botnets, and hardware hacking. A journalist with more than 15 years’ experience, he has been chronicling the exploits of white-hat, grey-hat and black-hat hackers since 2005.

Larry Dignan .@ldignan (31.4K followers)
Larry Dignan is Editor in Chief of ZDNet and Editorial Director of ZDNet’s sister site TechRepublic. He was most recently Executive Editor of News and Blogs at ZDNet. Larry has covered the technology and financial services industry since 1995, publishing articles in, Inter@ctive Week, The New York Times, and Financial Planning magazine.

Eleanor Dallaway .@InfosecEditor (15.7K followers)
As the editor of Infosecurity Magazine, Eleanor Dallaway is at the forefront of the security industry. She spends her days interviewing industry professionals, keeping the website updated with news on an hourly basis, editing the magazine, and attending industry events. This makes Infosecurity Magazine a beacon of news, opinion, and knowledge for any level of professional in the tech world.

Industry Thought Leaders

Gaurav Banga .@gaurav_banga (4.8K followers)
Gaurav Banga is the founder and CEO of Balbix, and he serves on the boards of several other companies as well. Before founding Balbix, Gaurav was the co-founder and CEO of Bromium. Gaurav is a technologist, an entrepreneur, and a cybersecurity expert who is frequently called upon by the media and publications for comments on cybersecurity related topics.

Anton Chuvakin .@anton_chuvakin (32.1K followers)
Anton Chuvakin is a computer security specialist currently working as Research Vice President at Gartner for Technical Professionals (GTP) Security and Risk Management group. He is an author of several books and a contributor to “Know Your Enemy II,” “Information Security Management Handbook,” and others. Anton has published dozens of papers on log management, SIEM, correlation, security data analysis, PCI DSS, and security management. His blog titled “Security Warrior” was one of the most popular in the industry.

Joseph Steinberg .@JosephSteinberg (76.4K followers)
Joseph Steinberg wears many hats, including cybersecurity, blockchain, and tech thought leader. As a speaker, technology influencer, advisor, and expert witness, he has many followers and is a well-read columnist who has amassed millions of readers as a regular contributor to Forbes and Inc. magazines.

Troy Hunt .@troyhunt (170.3K followers)
Troy Hunt writes a weekly blog, creates courses for Pluralsight, and is an Australian Microsoft Regional Director and Microsoft Most Valuable Professional for developer security. He is frequently quoted in the press talking about security and has also testified before U.S. Congress on the impact of data breaches.

Mikko Hypponen .@mikko (202.6K followers)
Mikko serves as the CRO at F-Secure and was once named to PC Magazine’s list of 50 Most Influential People.

Daniel Miessler .@DanielMiessler (111.7K followers)
Daniel Miessler is a security and tech blogger who has been a practicing security tester and consultant for close to 20 years. His primary focus is on the security of network, web applications, mobile, and IoT systems across multiple verticals and within both consumer and top Global and Fortune enterprises.

Kevin Beaumont .@GossiTheDog (74.3K followers)
Kevin Beaumont has been described as an “influential UK infosec geezer” by The Register, “a cybersecurity expert” by BBC News, and one of the “Top 20 Influencers” by Imperva. He writes for doublepulzar, SecurityBytes, a Medium Corporation, and other publications.

Shira Rubinoff .@shiratweet (55.1K followers)
Shira is one of the most influential female cybersecurity experts, focusing on the intersection of tech, psychology, and cybersecurity. Shira is the co-founder and president of Green Armor Solutions, president of SecureMySocial, and serves on the boards of numerous information security and tech forums.

David Linthicum .@DavidLinthicum (38.5K followers)
David is a cloud computing thought leader who has published 13 books and 5,000 articles, has been named the #1 cloud influencer (Apollo Research), and has several TV and Radio appearances. He’s also served as CTO and CEO of numerous companies.

Brian Honan .@BrianHonan (34.8K followers)
Brian Honan has been in the Information Security space for over a decade, and in the technology space for more than 30 years. He is an internationally renowned expert in the cyber and InfoSec spaces, as well as a blogger, author, founder and head of Ireland’s Computer Security Incident Response Team, and former Special Advisor on Cybersecurity to Europol. His experience has him at the forefront of some of the biggest changes in the world of security, including being an Ambassador for the GDPR Awareness Coalition.

Dave Lewis .@gattaca (39.9K followers)
Dave Lewis is a speaker, blogger at Liquidmatrix, and Global Security Advocate for Akamai. Between international speaking gigs and being a contributor to Forbes whenever there’s big security news, he still finds time to contribute to CSOnline and advise companies on their security.

Kevin Mitnick .@kevinmitnick (254.4K followers)
Kevin Mitnick is famous, or infamous, for hacking into 40 different corporations. The hacks were done for the challenge, not for nefarious gain. However, the stunt landed Mitnick on the Most Wanted List. Kevin’s unique background has made him a highly sought-after public figure in the InfoSec community and the media. In addition to public speaking, Mitnick is an author of multiple security-related books, including his autobiography about being a wanted man.

Katie Moussouris .@k8em0 (99.4 followers)
Katie is the founder of Luta Security, and an industry leader on hacking, bug bounty and vulnerability disclosure. She also created Microsoft’s Bug Bounty Program.

Daniel Hooper LinkedIn
Daniel is a strategic information technology (IT) leader with extensive experience in building and maintaining security programs. He’s passionate about aligning strategy and roadmaps with business needs.

Jayson Street .@jaysonstreet (55.5K followers)
Jayson Street is VP of InfoSec at SphereNY. He is a sought-after speaker and an author of the “Dissecting the Hack” series. He is also Global Ambassador and Coordinator for DEF CON.