Attributive Questions in High Profile Incidents

On 30 January 2026, CERT.PL published findings concerning an electric sector attack on Poland in December 2025. This report, presumably the most complete on the incident covering multiple sources and coming from those directly responding to the total incident, arrived after earlier reporting from commercial organizations on elements of the Read more

Industroyer2 in Perspective

Background On 12 April 2022, the Ukrainian CERT and ESET disclosed the existence of Industroyer2, a successor to the malware targeting Ukrainian electric distribution and transmission operations in 2016. Industroyer2 arrived after multiple disruptive cyber incidents of varying degrees of success surrounding Russia’s brutal invasion of Ukraine, as presented in Read more

Mind the (Air) Gap

Following the ransomware incident impacting Colonial Pipeline operations in May 2021, many parties asked how such a disruption, impacting one of the main arteries delivering refined petroleum products to the Eastern and Southeastern United States, could occur. Based on information available, the intrusion did not directly impact Industrial Control Systems Read more

The Enigmatic Energetic Bear

“Energetic Bear” (also known as Dragonfly, Crouching Yeti, etc. etc.) has been in the news lately given a recent series of intrusions targeting local government and critical infrastructure entities in the United States. While the group has gained attention recently, its activities go back at least a decade with the Read more