The fact
Sabotage, drone overflights, and recruitment of 'disposable' agents have been reported.
Berlin is increasing vigilance against this growing hybrid threat.
2 sources — click a link to read an article on the topic:
Why it matters
Ces actions ciblent les infrastructures critiques allemandes et pourraient perturber la logistique militaire, notamment les livraisons d'armes à l'Ukraine, dès les prochains mois.