Common Good Cyber Interviews CDAC Team

Post author:Jordan Paik
Post published:May 29, 2025
Post category:Blog
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We interviewed Ian Pelekis and Seungmin (Helen) Lee from Next Peak, part of the Cyber Defense Assistance Collaborative (CDAC). CDAC is a group of leading cybersecurity companies, former U.S. government officials, and top U.S. cyber defense leaders who came together to provide operational cyber defense assistance to Ukraine during the 2022 Russian invasion. Currently, CDAC works in collaboration with participating private sector cybersecurity organizations to meet cyber defense aid requests from Ukrainian government ministries and state-owned organizations.

Cyber Defense Assistance And Ukraine: Lessons And Moving Forward

Post author:Jordan Paik
Post published:March 12, 2025
Post category:Blog
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| By Gregory Rattray and Seungmin (Helen) Lee | In an era of international instability, the safety and resiliency of our digital existence faces deep challenges. Such instability has undermined the ability of governments to counter aggression in cyberspace. In this growing vacuum, the conduct of cyber defense assistance by the private sector will both change and grow in increasing importance.

The Cyber Defense Assistance: Imperative Lessons from Ukraine

Post author:Jordan Paik
Post published:February 12, 2023
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| Written By Gregory Rattray, Geoff Brown, and Robert Taj Moore | Russia’s further invasion of Ukraine in February 2022 was a watershed moment. Governments, citizens, and companies faced a choice—they could support Ukraine in its fight to defend its independence or they could sit back while Russia destroyed the post-war order that has stood since 1945. On an unprecedented scale, a major nation-state had engaged in coordinated, convergent digital and physical attacks in an effort to conquer a neighboring country.

CDAC Featured on “Click Here” Podcast Episode: “Rounding up a cyber posse for Ukraine”

Post author:Jordan Paik
Post published:November 18, 2022
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They call themselves the Cyber Defense Assistance Collaboration (CDAC), and it is the brainchild of Greg Rattray, a former chief information security officer at JP Morgan Chase. For months, he has been helping build a kind of public-private partnership to combat destructive cyberattacks. This is the first time he’s speaking in depth about the initiative publicly.