[![Logo](https://www.paloaltonetworks.com/wp-content/uploads/2021/07/PANW_Parent.png)](https://www.paloaltonetworks.com/) [![Unit42 Logo](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/unit42-logo-white.svg)](https://unit42.paloaltonetworks.com/) Menu * [Tools](https://unit42.paloaltonetworks.com/tools/) * [ATOMs](https://unit42.paloaltonetworks.com/atoms/) * [Security Consulting](https://www.paloaltonetworks.com/unit42) * [About Us](https://unit42.paloaltonetworks.com/about-unit-42/) * [**Under Attack?**](https://start.paloaltonetworks.com/contact-unit42.html) * [Threat Research Center](https://unit42.paloaltonetworks.com "Threat Research") * [Insights](https://unit42.paloaltonetworks.com/category/insights/ "Insights") * [General](https://unit42.paloaltonetworks.com/category/general/ "General") [General](https://unit42.paloaltonetworks.com/category/general/) # Happy 9th Anniversary, CTA: A Celebration of Collaboration in Cyber Defense ![Clock Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-clock.svg) 4 min read * ![Profile Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-profile-grey.svg) By: * [Kathi Whitbey](https://unit42.paloaltonetworks.com/author/kathi-whitbey/) * ![Published Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-calendar-grey.svg) Published:January 23, 2026 * ![Tags Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-category.svg) Categories: * [General](https://unit42.paloaltonetworks.com/category/general/) * [Insights](https://unit42.paloaltonetworks.com/category/insights/) * ![Tags Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-tags-grey.svg) Tags: * [Cyber Threat Alliance](https://unit42.paloaltonetworks.com/tag/cyber-threat-alliance/) * [Unit 42](https://unit42.paloaltonetworks.com/tag/unit-42/) * [![Download Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-download.svg)](https://unit42.paloaltonetworks.com/cta-9th-anniversary/?pdf=download&lg=en&_wpnonce=af535c9c4e "Click here to download") * [![Print Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-print.svg)](https://unit42.paloaltonetworks.com/cta-9th-anniversary/?pdf=print&lg=en&_wpnonce=af535c9c4e "Click here to print") Share![Down arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/down-arrow.svg) * ![Link Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-share-link.svg) * [![Link Email](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-sms.svg)](mailto:?subject=Happy%209th%20Anniversary,%20CTA:%20A%20Celebration%20of%20Collaboration%20in%20Cyber%20Defense&body=Check%20out%20this%20article%20https%3A%2F%2Funit42.paloaltonetworks.com%2Fcta-9th-anniversary%2F "Share in email") * [![Facebook Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-fb-share.svg)](https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Funit42.paloaltonetworks.com%2Fcta-9th-anniversary%2F "Share in Facebook") * [![LinkedIn Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-linkedin-share.svg)](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Funit42.paloaltonetworks.com%2Fcta-9th-anniversary%2F&title=Happy%209th%20Anniversary,%20CTA:%20A%20Celebration%20of%20Collaboration%20in%20Cyber%20Defense "Share in LinkedIn") * [![Twitter Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-twitter-share.svg)](https://twitter.com/intent/tweet?url=https%3A%2F%2Funit42.paloaltonetworks.com%2Fcta-9th-anniversary%2F&text=Happy%209th%20Anniversary,%20CTA:%20A%20Celebration%20of%20Collaboration%20in%20Cyber%20Defense "Share in Twitter") * [![Reddit Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-reddit-share.svg)](https://www.paloaltonetworks.com//www.reddit.com/submit?url=https%3A%2F%2Funit42.paloaltonetworks.com%2Fcta-9th-anniversary%2F&ts=markdown "Share in Reddit") * [![Mastodon Icon](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-mastodon-share.svg)](https://mastodon.social/share?text=Happy%209th%20Anniversary,%20CTA:%20A%20Celebration%20of%20Collaboration%20in%20Cyber%20Defense%20https%3A%2F%2Funit42.paloaltonetworks.com%2Fcta-9th-anniversary%2F "Share in Mastodon") ## The Genesis of Collective Defense At certain moments in a career, you get the rare opportunity to look back and say, *this work mattered*. Not because of an individual accomplishment, but because it contributed to something larger --- something that changed how an industry thinks and operates. The Cyber Threat Alliance (CTA) is one of those efforts. When the CTA was first conceived in 2014, the cybersecurity industry looked very different than how it does today. Threat intelligence was widely viewed as a competitive advantage, tightly guarded and rarely shared beyond company walls. Collaboration between major security vendors --- especially direct competitors --- was almost unheard of. The prevailing mindset was simple: information was power, and power was proprietary. Against that backdrop, a bold idea emerged: What if competitors worked together for the collective defense of customers and the broader digital ecosystem? What if sharing high-fidelity threat intelligence could raise the cost for adversaries and make everyone safer? As Mark McLaughlin, then CEO of Palo Alto Networks, famously put it at the time, the importance of the future CTA was clear: "Don't let this fail." With that charge, four industry leaders --- Palo Alto Networks, Fortinet, McAfee (Intel Security) and Symantec --- came together on a handshake agreement to prove that collaboration at scale was not only possible, but necessary. It was, by any measure, a radical idea. Yet those early conversations laid the foundation for what would become the Cyber Threat Alliance. ## The Architecture of Trust: Turning Vision into Reality Turning that vision into reality required more than shared intent. A small working group representing each founding company was tasked with answering hard questions: what the CTA should be, what it should not be and how it could operate independently while earning trust across the industry. With guidance from experts familiar with the ISAC and ISAO landscape, the group worked through governance models, legal frameworks and operational structures. This involved reading more bylaws and legal documents than anyone ever hoped to encounter, but it was essential work. The CTA needed to be built deliberately, with integrity and clarity of purpose. As the organization took shape, strong leadership became critical. That need was met when Michael Daniel, fresh from serving as Cybersecurity Coordinator for President Obama, stepped in to lead the CTA. His experience, credibility and ability to navigate both policy and industry realities helped propel the organization forward during its formative years. Fast forward to 2026. As the CTA marks its ninth anniversary, the mission that sparked its creation remains relevant and urgent. The CTA has grown its influence beyond data sharing. The CTA stands in a unique position to provide oversight and technical influence as a global leader in cybersecurity policy by representing the member companies in one place. With the expanding membership that spans across the globe, the CTA is now an essential piece of global cybersecurity infrastructure. Adversaries continue to evolve, borders remain irrelevant to cyber threats and no single organization can defend alone. What has changed is our proof point: collaboration works. ## Reflecting on Nine Years and the Road Ahead For those of us who have had the privilege of being involved since the earliest days, it has been remarkable to watch a bold idea turn into a trusted global institution. What began as a handful of competitors agreeing to try something different has grown into an organization that meaningfully influences how the industry shares intelligence, engages on policy and works together to protect customers worldwide. Being part of that journey --- helping shape the foundation, watching it mature and continuing to support its growth --- has been one of the most professionally rewarding experiences of my career. The CTA's success is not defined solely by years or membership numbers, but by the collective commitment of its members to act in the interest of the broader ecosystem. Every shared indicator, every technical contribution and every policy engagement strengthens not just individual companies, but the security of communities across the globe. As we look ahead, the call to action is simple: stay engaged, stay committed and continue to collaborate. Whether through sharing intelligence, contributing technical expertise or helping shape global cybersecurity policy, each member plays a role in ensuring the CTA remains a trusted and effective force against today's most pressing cyber threats. The work is far from done. Together, we are better positioned than ever to meet what comes next. Happy 9th Anniversary, CTA! ![Dark blue and orange graphic celebrating the 9th anniversary of the Cyber Threat Alliance with a large orange circular "9" and a red "ANNIVERSARY YEARS" ribbon.](https://unit42.paloaltonetworks.com/wp-content/uploads/2026/01/CTA-9-Year-Blogs_Palo-Alto-Networks-01-01-1030x700.png) Figure1. Celebrating 9 Years of the CTA ## Additional Resources [Sharing Threat Intelligence Makes Everyone Safer](https://paloaltonetworks.com/blog/2023/06/sharing-threat-intelligence/) -- Michael Sikorski, Palo Alto Networks ## More About The Author Kathi Whitbey is the Lead Principal Program Manager for Unit 42 at Palo Alto Networks, where she has spent more than a decade driving strategic programs and initiatives. She played a pivotal role in the formation and incorporation of the Cyber Threat Alliance (CTA), including leading early efforts to design and operationalize the CTA Platform for secure intelligence sharing among member companies.Deeply committed to the mission of Unit 42, Kathi is a strong advocate for the team's work and a dedicated mentor to emerging professionals in cybersecurity and risk management. Her career includes leadership roles in software development management and technical training across multiple U.S. government organizations, including the Department of State, where she traveled globally to deliver training on custom software applications. In addition to her professional work, Kathi has served as a volunteer Emergency Medical Technician, including a 12-month deployment supporting the U.S. Navy at Camp Lemonnier in Djibouti, Africa. She holds a Master's degree in Information Systems and brings together technical expertise, operational leadership and a deep commitment to service and collaboration. Back to top ### Tags * [Cyber Threat Alliance](https://unit42.paloaltonetworks.com/tag/cyber-threat-alliance/ "Cyber Threat Alliance") * [Unit 42](https://unit42.paloaltonetworks.com/tag/unit-42/ "Unit 42") [Threat Research Center](https://unit42.paloaltonetworks.com "Threat Research") [Next: The Next Frontier of Runtime Assembly Attacks: Leveraging LLMs to Generate Phishing JavaScript in Real Time](https://unit42.paloaltonetworks.com/real-time-malicious-javascript-through-llms/ "The Next Frontier of Runtime Assembly Attacks: Leveraging LLMs to Generate Phishing JavaScript in Real Time") ### Table of Contents * ### Related Articles * [Who Does Cybersecurity Need? You!](https://unit42.paloaltonetworks.com/cybersecurity-is-for-everyone/ "article - table of contents") * [Why Threat Intelligence: A Conversation With Unit 42 Interns](https://unit42.paloaltonetworks.com/threat-intelligence-interns/ "article - table of contents") * [LabyREnth CTF 2017: We're At It Again...](https://unit42.paloaltonetworks.com/unit42-labyrenth-ctf-2017/ "article - table of contents") ## Related General Resources ![Pictorial representation of a woman in glasses viewing a reflection of a monitor screen. The reflection features multicolored numbers, arrows, and graphs.](https://unit42.paloaltonetworks.com/wp-content/uploads/2026/09/07_Opinion_Overview_1920x900-1-786x368.jpg) [![category icon](https://unit42.paloaltonetworks.com/wp-content/uploads/2025/08/Insights-icon-white.svg)Insights](https://unit42.paloaltonetworks.com/category/insights/) September 2, 2026 [#### An AI-Assisted Cyber Attack: Inside a Unit 42 Investigation](https://unit42.paloaltonetworks.com/ai-assisted-cyber-attack-inside-a-unit-42-investigation/) * [Agentic AI](https://unit42.paloaltonetworks.com/tag/agentic-ai/ "Agentic AI") * [Frontier AI](https://unit42.paloaltonetworks.com/tag/frontier-ai/ "Frontier AI") [Read now ![Right arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-right-arrow-withtail.svg)](https://unit42.paloaltonetworks.com/ai-assisted-cyber-attack-inside-a-unit-42-investigation/ "An AI-Assisted Cyber Attack: Inside a Unit 42 Investigation") ![New research reveals that AI safety refusal lives in a thin neural layer, highlighting the critical need for external, multi-layered security.](https://unit42.paloaltonetworks.com/wp-content/uploads/2026/08/02_General_Overview_1920x900-786x368.jpg) [![category icon](https://unit42.paloaltonetworks.com/wp-content/uploads/2025/08/Insights-icon-white.svg)Insights](https://unit42.paloaltonetworks.com/category/insights/) August 28, 2026 [#### Perturbation Probing: A New Diagnostic for the Fragility of LLM Safety](https://unit42.paloaltonetworks.com/perturbation-probing-llm-safety/) * [AI](https://unit42.paloaltonetworks.com/tag/ai/ "AI") * [Jailbreak](https://unit42.paloaltonetworks.com/tag/jailbreak/ "Jailbreak") * [LLM](https://unit42.paloaltonetworks.com/tag/llm/ "LLM") [Read now ![Right arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-right-arrow-withtail.svg)](https://unit42.paloaltonetworks.com/perturbation-probing-llm-safety/ "Perturbation Probing: A New Diagnostic for the Fragility of LLM Safety") ![Pictorial representation of a male individual viewing multiple monitor screens. 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"Frontier AI") [Read now ![Right arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/icon-right-arrow-withtail.svg)](https://unit42.paloaltonetworks.com/cyber-extortion-economy/ "Out of the Crypt: The Evolving Cyber Extortion Economy") * ![Slider arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/slider-arrow-left.svg) * ![Slider arrow](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/slider-arrow-left.svg) ![Close button](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/icons/close-modal.svg) ![Enlarged Image]() ![Newsletter](https://unit42.paloaltonetworks.com/wp-content/uploads/2026/03/unit42-footer-subscribe-desktop.png) ![UNIT 42 Small Logo](https://unit42.paloaltonetworks.com/wp-content/themes/unit42-v6/dist/images/palo-alto-logo-small.svg) Get updates from Unit 42 ## Peace of mind comes from staying ahead of threats. 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