An aircraft grounded due to the COVID-19 pandemic, operated by Ryanair, is pictured beyond unused Swissport stairs, on the apron at Manchester Airport in Manchester, north west England on May 1, 2020. (Photo by OLI SCARFF/AFP via Getty Images)
Digital systems and internet networks belonging to U.S. oil and gas companies have increasingly come under attack from hackers in recent years, experts tell CyberScoop.