Kiteworks, Citrix Incidents Show Challenge of Zero-Day Response

Kiteworks and Citrix faced zero-day vulnerabilities in September 2026, with Kiteworks taking the rare step of urging customers to take systems offline proactively, while Citrix issued patches but did not recommend downtime. The differing approaches highlight challenges in zero-day incident response and vendor decision-making under threat.

This Wire brief sits within Fusion42's coverage of Cybersecurity.