The European Union’s cybersecurity agency ENISA confirmed on Monday that the hack on Collins Aerospace, owned by RTX, was a ransomware attack, but did not say where the attack originated from. Read more: Ransomware Hack Caused European Airport Delays, Canceled Flights“The subset of attacks deliberately engineered for maximum disruption, often by Western-based groups, are the outliers, but they are becoming more visible and more ambitious,” he added. Ransomware is malicious software used by cybercriminals to encrypt a company’s data and demand payment for its release. Other groups, however, are becoming more brazen in the kind of targets they choose, cybersecurity experts said. “We have been lucky so far, as the motivation of cyber criminals has been disruption or financial gain,” Thomas said.