As of 2026-11-11T15:44:47Z (UTC), multiple Ubuntu sites are unavailable globally. These include: ubuntu.com status.canonical.com security.ubuntu.com Although archive.ubuntu.com is accessible, the security subdomain being down means security updates will fail. We will continue monitoring the situation here. So far, nobody has claimed any credit for a DDoS or similar attack. Not all the non-responsive sites fail the same way. Notably, the security subdomain returns NXDOMAIN. Interestingly, ...