近期在欧洲发生的事件包括针对超市制冷系统的疑似攻击、无人机入侵,以及通过手机应用发送的虚假紧急警报。
Recent incidents in Europe have included suspected attacks on supermarket refrigeration systems drone incursions and false emergency alerts sent through mobile apps.
欧洲安全官员还警告称,破坏活动、网络攻击、间谍活动以及与无人机相关的事件等有所增加。
European security officials have also warned about an increase in activities such as sabotage, cyberattacks, espionage and drone-related incidents.