GrackerAI

Top Influencers & Voices

Creators, analysts, and practitioners with substantial audiences on LinkedIn, X, YouTube, newsletters, and podcasts. Every entry has 10,000+ followers and a consistent cybersecurity focus.

16 curated entries· Updated quarterly

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Rachel Tobac

San Francisco, USA

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Rachel Tobac is a hacker, social engineer, and CEO of SocialProof Security. One of cybersecurity's most visible voices with a large following on LinkedIn and X.

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Troy Hunt

Gold Coast, Australia

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Troy Hunt is the creator of Have I Been Pwned and one of the most cited voices in consumer cybersecurity and breach reporting.

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Mikko Hyppönen

Helsinki, Finland

Mikko Hyppönen is one of cybersecurity's most recognizable faces globally, with decades of malware research and a reputation as a world-class keynote speaker.

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Bruce Schneier

Cambridge, USA

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Bruce Schneier is a cryptographer, computer security professional and best-selling author who has been shaping public thinking on security, privacy and power for three decades. His blog Schneier on Security and newsletter Crypto-Gram reach more than 250,000 readers.

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Brian Krebs

Arlington, USA

Brian Krebs is an independent investigative reporter and author of KrebsOnSecurity.com, the award-winning cybersecurity news site he founded in 2009 after leaving The Washington Post.

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Graham Cluley

Oxford, UK

Graham Cluley is an award-winning cybersecurity veteran, blogger and keynote speaker. He co-hosts the multi-award-winning 'Smashing Security' podcast and the newer 'The AI Fix' podcast, which has surpassed 10 million downloads.

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Daniel Miessler

San Francisco, USA

Daniel Miessler is the founder of Unsupervised Learning, a newsletter, podcast and community focused on the intersection of cybersecurity, AI, national security, technology and culture.

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Lesley Carhart

Chicago, USA

Lesley Carhart (@hacks4pancakes) is a widely followed incident response leader focused on industrial control systems and OT security. They are Director of Incident Response for North America at Dragos.

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Dave Kennedy

Cleveland, USA

Dave Kennedy is the founder of TrustedSec, an information security consulting firm, and Binary Defense, a managed detection and response provider. He is a former CSO of Diebold and has testified before U.S. Congress on cyber threats.

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Tanya Janca

Victoria, Canada

Tanya Janca, aka SheHacksPurple, is a best-selling author and application security educator who has trained thousands of developers and security professionals on secure coding and application security.

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Katie Moussouris

Seattle, USA

Katie Moussouris is founder and CEO of Luta Security, a consultancy focused on vulnerability coordination, bug bounty program design and security maturity.

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Jake Williams

Augusta, USA

Jake Williams (MalwareJake) is a well-known offensive security practitioner and educator. He is VP of R&D at Hunter Strategy, an IANS Faculty Member, and an independent security consultant focused on AI/ML and cybersecurity.

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John Strand

Spearfish, USA

John Strand is founder of Black Hills Information Security and Active Countermeasures. He is a senior SANS instructor and widely regarded mentor in the offensive and defensive security communities.

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Eva Galperin

San Francisco, USA

Eva Galperin is Director of Cybersecurity at the Electronic Frontier Foundation, focusing on privacy and security for vulnerable populations, including journalists, activists and survivors of domestic abuse.

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Deepak Gupta

San Francisco, USA

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Deepak Gupta is the founder of GrackerAI and publishes at guptadeepak.com on cybersecurity, identity, LLM vulnerabilities, and the Founder's Journey from code to scale. Active across LinkedIn, X, YouTube, and Medium.

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Kim Zetter

San Francisco, USA

Kim Zetter is an award-winning independent investigative journalist who has covered cybersecurity and national security since 1999. She publishes the Zero Day newsletter, focused on espionage, surveillance and the intersection of cyber and national security.

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