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Damaged European submarine cables impact internet connectivity worldwide
Several undersea cables in the south of France were cut overnight, rendering internet access globally unreliable. Engineers have fixed a broken link and investigations are still ongoing. Russian submarines have been blamed for the Ukrainian conflict, but investigators have yet to find evidence to support this hypothesis.
On Wednesday evening, a serious incident involving an undersea cable in the south of France caused widespread internet connectivity problems. At least three fiber optic cables were cut at 8:30 p.m. (UTC), slowing internet access for users in Europe, Asia and the United States. Cloud companies quickly worked to fix the backbone.
According to a report by cloud security firm Zscaler, the unexpected cable damage resulted in packet loss and increased latency for websites and applications traversing the impacted paths. The company has identified three broken links: Marseille-Lyon, Marseille-Milan and Marseille-Barcelona. Zscaler has made routing adjustments to internet traffic where possible to mitigate the issue. However, in some cases actions were hampered by app and content providers who were still using the severed links.
In a subsequent update released at 1:03:15 UTC, Zscaler confirmed that workers had fixed one of the affected links, resulting in lower packet loss and reduced latency for websites and internet apps. The remaining links (probably Marseille-Milan and Marseille-Barcelona) were confirmed cut by direct fiber tests. However, search operations to find the damaged points of the submarine cable are still in progress….