They also transmit about $10tn worth of financial transactions everyday.
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These cables face risks fromnatural phenomenasuch as erosion and the rising sea level.

Amid an increasingly unstable geopolitical landscape, theyre also subject to sabotage.
Now, with its investment in the new project, NATO seeks to explore an additional layer of protection.
Once a threat is detected, the system will automatically divert access to satellite bandwidth to reroute data.

For the first two years, HEIST will focus on testing prototypes and navigating regulations.
The initiative is expected to officially launch later this month.
Meanwhile, NATO is investing in technologies that span beyond the underwater domain.

Story byIoanna Lykiardopoulou
Ioanna is a writer at TNW.
With a background in the humanities, she has a soft spot for social impact-enabling technologies.