NATO military leaders from member countries are currently meeting in Copenhagen, Denmark, as concerns about rising security threats in Europe grow. These threats, which some believe could be linked to Russia, are prompting discussions about how the alliance will respond. A recent focus of concern has been the Netherlands, following reports of a possible sabotage attempt on its railway system. While no group has claimed responsibility for the incident, some analysts are considering whether it might be a test of Russian intelligence capabilities. The Netherlands plays a crucial role in NATO operations, serving as a logistics hub and a key point in the alliance's military corridor leading to Poland, which makes it a strategically important location. Recent security incidents across Europe have included a Russian drone strike near the Polish border that targeted a Ukrainian train, where former British Prime Minister Boris Johnson was present in a nearby convoy. In Lithuania, Italian fighter jets shot down a drone from Belarus, and the Italian defense minister visited the site shortly after. Germany has also accused Russia of attempting to carry out an explosive drone attack in the city of Leipzig, marking a significant moment as Germany officially attributes the attack to Russia, which could open the door for potential retaliation. The pattern of these incidents has drawn comparisons to Cold War-era hybrid warfare tactics, such as those used by the KGB, including disinformation campaigns like Operation INFEKTION. According to the U.S.-based research center CSIS, attacks linked to Russia in Europe have increased more than elevenfold between 2022 and 2024, with transportation infrastructure being a major target, accounting for 27% of the incidents studied. This trend has raised concerns about the growing sophistication and frequency of such attacks. The Copenhagen meeting comes at a time when NATO is carefully considering the conditions under which it might invoke Article 5 of its founding treaty. This article, which states that an attack on one member is an attack on all, was last used after the 9/11 terrorist attacks in the United States. While a serious cyberattack could also trigger Article 5, the alliance typically evaluates each situation individually, taking into account the severity of the attack, the identification of the responsible party, and the consensus of its members. Another topic of discussion is whether NATO should send troops directly to support Ukraine, a move Russian President Vladimir Putin has warned could be considered an act of war. This contrasts with Putin's own call for North Korean military support in Ukraine. NATO is caught in a difficult position: responding too quickly to an unproven attack could lead to unintended escalation, while a lack of response might be seen as a sign of weakness.