Multiple subsea fiber-optic cables he been cut in the Red Sea, disrupting internet connectivity across the region, Microsoft has confirmed.
Confirmation of the incident comes after Azure cloud computing customers started noticing higher-than-usual latency on September 6, 2025, but Microsoft has already issued temporary fixes to oid disruption as it sets out a longer-term path to restore.
Traffic passing through the Middle East was primarily affected, including both connections to Asia and Europe – all other traffic globally remained unaffected.
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Microsoft confirms its Red Sea cable has been cutThe party responsible for damaging the cable used by Mirosoft has not been confirmed, but other companies including NetBlocks and Linode he also flagged latency issues. Pakistan’s telecom authority also warned of disruptions.
“We do expect higher latency on some traffic that previously trersed through the Middle East,” Microsoft confirmed, noting it would now he to pass through other regions.
“Undersea fiber cuts can take time to repair, as such we will continuously monitor, rebalance, and optimize routing to reduce customer impact in the meantime,” Microsoft added.
Tata Communications and Alcatel Submarine Networks, the companies behind two of the cables in the region, he not yet issued a comment on the outage.
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By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.Yemen’s Minster of Information and Culture, Moammar al-Eryani, called the incident a “wake-up call for the international community.”
It has becoming increasingly obvious that our subsea cable networks aren’t just important for global trade, but that they’re also prone to attacks amid ongoing and escalating geopolitical tensions.
More broadly, earlier cable damage in February 2024 disrupted Asia-Europe traffic. Several cables and pipelines he also been damaged in the Baltic Sea since 2022 in attacks suspected to be related to Russia’s invasion of Ukraine.
In the meantime, Microsoft’s traffic has been restored, albeit with slower-than-usual performance via different routes.
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