Patching at Fleet Scale, Twice: How DigitalOcean Closed Januscape and the AMD Safe RET Issue Without Customer Impact

· DigitalOcean · Aug. 24, 2026, 10:24 p.m.
Summary
The blog post details DigitalOcean's rapid and effective responses to two significant security vulnerabilities affecting their cloud infrastructure in July 2026. The first vulnerability, Januscape, required a fleet-wide live patch which was quickly implemented with no customer impact. The second vulnerability involved AMD hypervisors, where a kernel update necessitated more complex operations, including evacuations and reboots. Both incidents showcased the company's agile engineering culture, emphasizing speed, safety, and a commitment to customer experience, while also demonstrating the importance of preparedness in the face of security threats.