The world's top Cybersecurity Experts
1Bruce SchneierSecurity technology and public-interest cryptographyCybersecurity ExpertsUS
Bruce Schneier
Security technology and public-interest cryptography
Security technology and public-interest cryptography
2Mikko HypponenGlobal threat researchCybersecurity ExpertsFinland
Mikko Hypponen
Global threat research
Global threat research
3Katie MoussourisVulnerability disclosure and bug bountiesCybersecurity ExpertsUS
Katie Moussouris
Vulnerability disclosure and bug bounties
Vulnerability disclosure and bug bounties
4Troy HuntData-breach research and Have I Been PwnedCybersecurity ExpertsAustralia
Troy Hunt
Data-breach research and Have I Been Pwned
Data-breach research and Have I Been Pwned
5Brian KrebsCybercrime investigationCybersecurity ExpertsUS
Brian Krebs
Cybercrime investigation
Cybercrime investigation
6Keren ElazariSecurity research and the hacker perspectiveCybersecurity ExpertsIsrael
Keren Elazari
Security research and the hacker perspective
Security research and the hacker perspective
7Ron DeibertDigital surveillance and rightsCybersecurity ExpertsCanada
Ron Deibert
Digital surveillance and rights
Digital surveillance and rights
8Eva GalperinProtecting at-risk and targeted usersCybersecurity ExpertsUS
Eva Galperin
Protecting at-risk and targeted users
Protecting at-risk and targeted users
9Sarah Armstrong-SmithEnterprise cyber resilienceCybersecurity ExpertsUK
Sarah Armstrong-Smith
Enterprise cyber resilience
Enterprise cyber resilience
10Magda ChellyCyber risk and resilienceCybersecurity ExpertsTunisia / Singapore
Magda Chelly
Cyber risk and resilience
Cyber risk and resilience
11Saket ModiCyber-risk quantificationCybersecurity ExpertsIndia
Saket Modi
Cyber-risk quantification
Cyber-risk quantification
12Vivek RamachandranOffensive security research and trainingCybersecurity ExpertsIndia
Vivek Ramachandran
Offensive security research and training
Offensive security research and training
13Albert Antwi-BoasiakoNational cyber capacity and policyCybersecurity ExpertsGhana
Albert Antwi-Boasiako
National cyber capacity and policy
National cyber capacity and policy
14Obadare Peter AdewaleCyber defence and data protectionCybersecurity ExpertsNigeria
Obadare Peter Adewale
Cyber defence and data protection
Cyber defence and data protection
15Dmitri AlperovitchCyber strategy and geopoliticsCybersecurity ExpertsUS
Dmitri Alperovitch
Cyber strategy and geopolitics
Cyber strategy and geopolitics
Nominations for the 2027 edition are open.
Know a Cybersecurity Expert who genuinely leads the field? Put them forward for next year's ranking. Anyone can be nominated, including yourself, and every nomination is judged by the panel against the same published criteria.
Nominate a Cybersecurity Expert for 2027