Skip to content
Massive Ransomware Attack Targets Critical Infrastructure in March 2026

Massive Ransomware Attack Targets Critical Infrastructure in March 2026

First seen 12 Mar 2026, 16:38 UTC • •

Article Content

Browse articles
ThreatCluster AI
ThreatCluster •March 13, 2026 at 16:15 UTC
  • •Over 500 organizations affected by the ransomware attack targeting critical infrastructure.
  • •The ransomware, named 'DarkSky', demands over $10 million in Bitcoin.
  • •FBI warns of potential links to state-sponsored cybercriminal groups.

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 The attack exploited vulnerabilities in outdated software systems, particularly targeting those running on Windows Server 2016.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.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated 217d ago How this analysis works

Timeline

2026-03-01
Ransomware attack begins targeting critical infrastructure.
2026-03-05
FBI issues warning about the DarkSky ransomware.
2026-03-10
Over 500 organizations report disruptions due to the attack.
2026-03-12
Recovery efforts continue as systems remain offline.

More articles in this cluster (2)

Following this threat?

Track Hazeldenes in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed