Exclusive: Ransomware group publishes Hazeldenes data to darkweb

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Massive Ransomware Attack Targets Critical Infrastructure in March 2026 In March 2026, a sophisticated ransomware attack impacted multiple critical infrastructure sectors across the United States, including energy and healthcare. The attack exploited vulnerabilities in outdated software systems, particularly targeting those running on Windows Server 2016. Initial reports indicate that over 500 organizations were affected, leading to significant operational disruptions. The ransomware, identified as 'DarkSky', is believed to be linked to a state-sponsored group, with demands reaching upwards of $10 million in Bitcoin. The FBI has issued a warning, advising organizations to enhance their cybersecurity measures. As of now, recovery efforts are underway, but many systems remain offline. Affected entities are urged to report any suspicious activity to law enforcement. The situation is evolving, with further investigations ongoing. 2 sources 76