Crucial Taiwan undersea cable severed by old shipwreck — backup microwave communications activated to keep population connected

severed submarine internet cable
(Image credit: Shutterstock)

Dongyin island, the northernmost part of Taiwan and located barely 30 miles from mainland China, has lost its undersea cable linking it to Beigan Island. These two small islands are part of the Matsu Islands, which sit strategically at the northern part of the Taiwan Strait. According to Reuters, bad weather has caused a shipwreck sitting on the seafloor to shift its location, severing the underwater link. Because of this, the government has activated the island’s backup microwave communications link, allowing the 1,500 people on the island to continue enjoying mobile and internet services, although with some delays, depending on the weather.

Even though the island is small and sparsely populated, the Taiwanese military reportedly has a heavy presence in the area owing to its proximity to China. More importantly, its location close to the Chinese coast and the northern mouth of the Taiwan Strait makes it a strategically important position, as it could serve as a forward operating base to control access to the narrow body of water separating Taiwan and China. Dongyin, notably, does not have an airport and is only accessible via ferry service.

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Nevertheless, there have been recent incidents in which Chinese ships are suspected of deliberately damaging undersea internet cables around the main island. Given the threat to Taiwan, its navy and coast guard have increased defensive patrols on the 24 underwater links around the island. It’s also keeping a close eye on 96 vessels that have been blacklisted and are suspected of have links with China. Taiwanese lawmakers even increased the penalty for those who are suspected of attempting to sabotage undersea cables, with offenders facing up to 7 years imprisonment plus a fine of $325,000.

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Jowi Morales
Contributing Writer

Jowi Morales is a tech enthusiast with years of experience working in the industry. He’s been writing with several tech publications since 2021, where he’s been interested in tech hardware and consumer electronics.

  • KaiserTom
    I really, really doubt this was weather. I think the weather was a great cover to demonstrate how winching a shipwreck on the seafloor, during bad weather,bcan sever critical communication cables in a plausibly deniable way. At least for long enough to position forces before anyone realizes what happens.

    Especially if said government doing such a thing also produces/owns the microwave radio hardware being used as a backup. Like Huawei which makes a ton of microwave hardware.

    The possibility very much exists that they can backdoor to either sabotage or silently monitor and cause disruptions to specific traffic over that microwave link. It also reveals how this islands communication backbone works. So the real attack is more informed and can cause more communication chaos.

    I think this is plausibly deniable information gathering by the CCP in Taiwan's military response for this island. It already takes us months to investigate and prove actual targeted attacks, which are increasing, on these cables.
    Reply
  • Arkitekt78
    Not buying this for half a second. This was intentional - no question.
    Reply
  • jackt
    i dont know...
    Reply
  • call101010
    who cares ?
    Reply
  • Co BIY
    I would think this would have been thought of when laying cable next to a shipwreck.
    Reply
  • bloodmutt
    So their extremely important cables just happen to be destroyed over and over for no reason other than just coincidence? Only a fool would believe that.
    Reply
  • VizzieTheViz
    Co BIY said:
    I would think this would have been thought of when laying cable next to a shipwreck.
    Could be the ship was wrecked after the cable was laid
    Reply
  • vinay2070
    Nice, where is the shipwreck heading next?
    Reply
  • usertests
    vinay2070 said:
    Nice, where is the shipwreck heading next?
    A giant clam.
    Reply
  • das_stig
    It's all shadow diplomacy, "we know ,you know, we know that you know, what you did and when you did it but not worth making a big deal out of it". When Taiwan do get to catch a ship doing it in action and can make a connection directly to Beijing, then watch the real political shenanigans in action.
    Reply