Germany, Sweden, and Finland are currently investigating potential sabotage of critical underwater communication cables in the Baltic Sea, following two recent incidents of damage.

Experts emphasize the need for improved safeguarding of subsea infrastructure to prevent espionage and economic instability, particularly as reliance on these cables grows.

Companies have reported unusual activities, including unknown vehicles photographing their premises and contact from Russian organizations aiming to reach Russian-speaking employees.

While NATO members involved did not assign blame for the incidents, suspicions quickly turned toward Russia, especially as the war in Ukraine marked its 1,000th day.

German Interior Minister Nancy Faeser has highlighted the seriousness of the threat level and indicated that authorities are prepared to offer assistance, although they have not yet been involved in the investigation.

While full protection of undersea cables is challenging due to the vastness of the oceans, NATO countries are coordinating monitoring efforts within their territorial waters.

The Federal Communications Commission in the US is considering proposals to enhance national security standards for undersea internet cable systems, which are vital for global internet traffic.

Russia has proposed extending its territorial waters in the Baltic Sea, raising alarms among Baltic states regarding potential threats.

In response to these threats, NATO has increased naval patrols around undersea infrastructure and warned that any deliberate attacks against critical infrastructure will provoke a united response from the alliance.

In light of the incidents, Lithuania has announced increased surveillance of its waters and is coordinating further measures with allies.

Further collaborative steps among allies regarding the incidents will be discussed, according to the Lithuanian navy.

The failure of undersea cables cannot be fully compensated by land or satellite connections, but typically does not cause a total internet blackout due to the decentralized nature of internet infrastructure.