Canonical’s websites were crippled by a distributed denial-of-service (DDoS) attack last week, marking the second such incident to hit the Ubuntu maker this year. The disruption was severe enough that some services remained offline for over four hours.
The targeted websites included ubuntu.com, canonical.com, the Ubuntu blog and developer site, and Ubuntu’s security advisory pages and API. However, developer-facing services like Launchpad and the Snap Store were not affected by the attack. Canonical acknowledged the issue on October 8 in a post to the Ubuntu Discourse forum, stating that its team was working to restore affected services.
It’s worth noting that DDoS attacks work by overwhelming a targeted website or system with traffic from multiple sources, making it difficult for legitimate users to access. The sheer volume of incoming requests can cause a website to become unresponsive or even crash. In this case, Canonical reported that its team was still working to bring affected services back online on October 9.
The attack is reminiscent of a larger incident in late April, where Launchpad and the Snap Store were taken down by a similar DDoS assault. The company described that attack as “sustained, cross-border,” but did not elaborate further. At the time, a hacktivist group calling itself The Islamic Cyber Resistance in Iraq – 313 Team claimed responsibility for the attack.
While it’s unclear whether this latest incident is connected to the previous one, DDoS attacks continue to be a major concern for organizations like Canonical. These types of attacks can have significant economic and reputational consequences, especially if they impact critical services or infrastructure.
Canonical has not publicly disclosed any information about the size or origin of the attack. It’s also worth noting that no one has claimed responsibility for this latest incident. Despite the lack of transparency, it’s clear that DDoS attacks remain a persistent threat to online security.
In light of these incidents, organizations should take steps to protect themselves from similar attacks. This includes implementing robust defense systems, conducting regular security audits, and staying vigilant about potential threats. Additionally, having an incident response plan in place can help minimize downtime and mitigate the impact of a DDoS attack.
By taking proactive measures, organizations like Canonical can reduce their vulnerability to these types of attacks and ensure that their services remain available to users when they need them most.
Source: SecurityWeek — 2026-10-12