Canonical’s websites, including the Ubuntu site, Snap store, and Launchpad, are currently experiencing significant downtime due to a "sustained, cross-border" attack that began around 6 PM UK time on April 30. While Canonical works to resolve the issue, they have not labeled it explicitly as a DDoS attack, instead referring to it as an ongoing assault affecting the availability of their online services.
Users may notice that several related websites are offline, such as lists.ubuntu.com, security.ubuntu.com, and the main archive server. However, the Ubuntu APT repositories are still accessible since they are mirrored across multiple servers and locations, allowing for the continued download of OS ISO images.
Despite the ongoing issues, the Ubuntu operating system itself remains unaffected and secure. Canonical has acknowledged the problem but has yet to provide clarity on the source or motivation behind the attack, although there are reports of a hacktivist group claiming responsibility.
For more updates on the situation, affected users can monitor status.canonical.com.