--- title: "20 Leaders Who Built the CISO Era: 2 Decades of Change" url: https://daily.dev/posts/20-leaders-who-built-the-ciso-era-2-decades-of-change-wzeun5wek source_url: https://www.darkreading.com/cybersecurity-operations/20-leaders-ciso-era-2-decades-change type: article source: "Dark Reading" published: 2026-05-12T13:55:36.834Z updated: 2026-05-12T13:56:08.866Z tags: ["security", "cyber"] reading_time: 42 upvotes: 0 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # 20 Leaders Who Built the CISO Era: 2 Decades of Change **[Dark Reading](https://daily.dev/sources/dr)** · 42 min read · 0 upvotes · 0 comments ## Summary Dark Reading's 20th anniversary retrospective profiles 20 influential figures who shaped the modern CISO era and enterprise cybersecurity over the past two decades. The list spans pioneering CISOs like Steve Katz (the first CISO at Citicorp), researchers like Dan Kaminsky (DNS vulnerability), HD Moore (Metasploit), Barnaby Jack (device hacking), and Katie Moussouris (bug bounty programs), as well as controversial figures like Edward Snowden, Kevin Mitnick, Marcus Hutchins, and Albert Gonzalez. Together, these profiles trace how cybersecurity evolved from a technical IT function into a board-level business risk discipline encompassing national security, policy, incident response, and vulnerability research. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [What the CISO role will look like in 2029](https://daily.dev/posts/what-the-ciso-role-will-look-like-in-2029-exxfcgqus) · CSO Online · 0 upvotes · 0 comments - [Cloud CISO Perspectives: Phil Venables on CISO 2.0 and the CISO factory](https://daily.dev/posts/cloud-ciso-perspectives-phil-venables-on-ciso-2-0-and-the-ciso-factory-u74auny9n) · Google Cloud · 0 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#cyber](https://daily.dev/tags/cyber) [View this post on daily.dev](https://daily.dev/posts/20-leaders-who-built-the-ciso-era-2-decades-of-change-wzeun5wek)