Gal Nakash

Nakash rose to the rank of lieutenant colonel in Israel’s Office of the Prime Minister. He has a background as a security researcher and hacker, has led teams in multiple cybersecurity areas, and specializes in the human element of security.⁠[1][2][2]

In 2020, Nakash co-founded the cybersecurity company Reco with Ofer KleinOfer KleinOfer Klein is the co-founder and chief executive of the cybersecurity company Reco, having previously founded Kwik, an internet of things shopping button company; he has led Reco’s shift from enterprise collaboration and SaaS security to AI agent security.Open the full entry and Tal ShapiraTal ShapiraTal Shapira is an Israeli computer networking and cybersecurity researcher and the co-founder and chief technology officer of the cybersecurity company Reco; his academic research focuses on using deep learning for encrypted traffic classification and IP hijack detection.Open the full entry and became its chief product officer. Klein said the three developed the platform and its AI algorithm for the Israeli government’s counterintelligence work while serving in Israel, and after that success turned it into a product in 2020.⁠[1][3][4]

After Reco closed a $30 million Series A round in June 2022, the funding announcement on the company blog listed Nakash as its author (under the spelling Gal Nakhash), describing how the product maps collaboration relationships among employees, teams and third parties and plugs into tools such as Slack, Google Drive, Microsoft OneDrive and Jira.⁠[5][5][5]

On September 18, 2023, Nakash and Zscaler chief information security officer Sam Curry presented a 44-minute webinar on BrightTALK on addressing insider risk and unmanaged third-party data risk in SaaS applications, using real-world examples to show the impact on businesses.⁠[6][6][6]

When Reco announced additional funding in April 2025, Nakash lived in Tel Aviv according to his LinkedInLinkedInLinkedIn is a social networking platform for professionals. It was founded in 2002 by Reid Hoffman and others, launched in 2003, and listed on the New York Stock Exchange in 2011; after Microsoft acquired it for approximately $26.2 billion in 2016, it became a wholly owned Microsoft subsidiary. Its revenue comes from membership subscriptions, advertising, and recruitment solutions.Open the full entry profile, while chief executive Klein was based in Orlando in the United States.⁠[7]

On September 9, 2026, Nakash published an article on the company blog analyzing EchoLeak (CVE-2025-32711), a zero-click vulnerability in MicrosoftMicrosoftMicrosoft is a technology company founded by Bill Gates and Paul Allen in 1975 and headquartered in Redmond, Washington, with businesses spanning Windows, Microsoft 365, Azure, enterprise software, artificial intelligence, gaming and devices.Open the full entry 365 Copilot in which attackers used ordinary-looking text rather than malware or attachments to make Copilot process malicious instructions and exfiltrate sensitive data without users opening the email; he argued that patching does not eliminate the underlying risk of AI assistants and that least-privilege access is critical. On October 9, he wrote an explainer on retrieval-augmented generation (RAG) poisoning, in which attackers insert false information or malicious instructions into retrieved content.⁠[8][8][8][8][8][9][9]

On September 29, 2026, Reco announced $55 million in additional funding, bringing its total funding to $140 million; Nakash remained chief product officer.⁠[10][3]

Reco: Official website: https://www.reco.ai/ (opens in a new window).⁠[2]

LinkedIn: Public profile: https://www.linkedin.com/in/naksec/ (opens in a new window)⁠[2]