| Defence expenditures and NATO's five-percent commitment | NATO | report |
| digital-strategy.ec.europa.eu/en/library/submarine-cable-security-toolbox-and-cable-projects-european-interest | — | government |
| nato.int/en/news-and-events/articles/news/2025/01/14/nato-launches-baltic-sentry-to-increase-critical-infrastructure-security | — | report |
| nato.int/en/news-and-events/articles/news/2026/10/21/natos-critical-undersea-infrastructure-network-focuses-on-delivering-security | — | report |
| nato.int/en/multimedia/multimedia/videos/2026/10/26/deterring-hybrid-threats-at-sea | — | report |