- Copenhagen-based Triton Depth, founded in 2025 by three DTU engineering students, has raised €1 million in seed funding
- It aims to address one of the EU’s most neglected security concerns: the seabed, as sabotage of Baltic cables, shadow fleet activity and underwater drone warfare are growing concerns.
- Triton Depth intends to build a scalable network of passive acoustic sensors it calls ‘Triton Nodes’ to address the problem, leveraging artificial intelligence to identify vessels and objects in real time.
A three-person Danish company founded by students is venturing into a somewhat interesting industry for an EU-based startup: underwater defense.
Triton Depth has received €1 million in seed funding from investors including London-based The Creator Fund and Denmark’s state-owned Export and Investment Fund (EIFO), with the aim of focusing on acoustics to respond to what is arguably Europe’s biggest security threat in the coming days: naval warfare and drone sabotage.
Amid growing concerns about the vulnerability of the European Union, and by extension Denmark, to a variety of maritime threats, EIFO’s investment in Triton Depth could be more than just a value play, but a hallmark of the realization that it needs to address its own defense needs even as NATO continues to meander, with the United States proving to be a volatile partner of late, to say the least.
Use affordable dual-use acoustic technology as the first line of defense
Triton Depth’s approach is attractive to a national defense industry that does not share the budgets possessed by large naval players such as the United States, Russia or China: it is simple, but elegant in its premise, and even partial victories regarding its claims would go a long way to safeguarding Denmark and the EU’s regional interests.
Triton Depth’s approach centers on the use and deployment of its ‘Triton Nodes’, a scalable group of low-maintenance passive acoustic sensors that measure sound underwater before sending information to an AI model that evaluates and classifies the signatures it detects in real time.
The company intends to market its product line as a dual-use technology bet, and CEO and co-founder Carl Borg said his goal is to build “the intelligence layer for the ocean” for both civilian and defense use cases.
The focus on defense arises from Denmark’s own vulnerabilities in the Baltic Sea, which has previously suffered significant economic damage from sabotage, including the destruction of Nord Stream 1 and 2.
With an increasing proportion of its critical infrastructure, including power interconnectors, data cables and offshore wind, lying underwater, EIFO’s investment could be argued to be the Danish state safeguarding its own maritime security and intelligence interests by investing in a smart tripwire for the future.
Other European governments are also actively seeking scalable and affordable ways to monitor coastal and underwater infrastructure, even as Nordic defense budgets continue to rise, with Triton Depth among many defense infrastructure companies set to benefit from a renewed focus on maritime security in the region, even as acoustics are considered a reliable metric for monitoring a variety of infrastructure.
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