Disruptions to undersea cables have been a particularly alarming issue for Taiwan given it has repeatedly complained about “grey zone” Chinese activities around the island, designed to pressure it without direct confrontation, such as balloon overflights and sand dredging.

Undersea cables are conductors wrapped in insulating materials and laid on the seabed. Their main functions are telecommunications or power transmission. The core of the undersea cables used for Internet signals is optical fiber,

Taiwan's Ministry of Digital Affairs reported undersea cables to the Matsu Islands were disconnected, citing 'natural deterioration.' Backup communications were activated to restore internet services.

Taiwan expresses serious concerns about potential sabotage of its undersea communication cables, which could disrupt critical telecommunications.

Taiwan's Ministry of Digital Affairs announced that undersea cables to the Matsu Islands were disconnected, prompting the activation of back-up communication systems. Two of the cables, which connect Matsu with Taiwan,

Taiwan's navy will be on standby to help protect the island's undersea telecoms cables and deal with suspicious vessels, the defense minister said Thursday, after a Chinese-owned ship was suspected of damaging a cable.

Submarine cables connecting Taiwan to its Matsu Islands, home to approximately 14,000 people, have been disconnected, Taiwan's authorities reported. Alternative communication methods have been established.