Russian hackers broke into the networks of Western oil and gas companies used techniques that companies can detect and oftentimes defend against, experts say. The Russian group, named Energetic Bear, planted malware in technology suppliers’ software and compromised websites visited by energy company employees. The attackers’ favorite malware was Backdoor.Oldrea, which acted as a back door that let the hackers extract data and install additional software. The majority of the targets were in the U.S., Spain, France, Italy, Germany, Turkey and Poland.”]
Source: https://www.csoonline.com/article/2450062/ideas-for-defending-against-cyberespionage.html