Browsing Tag

Critical Infrastructure

11 posts

Technology and cybersecurity issues affecting critical infrastructure.

Server racks in a data center used for enterprise networking and security systems

Gunra Ransomware Puts VPN Gateways and Backups on the Same Incident List

A new FBI, CISA, NSA, Secret Service, DC3, and South Korean police advisory says Gunra ransomware affiliates are abusing exposed VPN and firewall paths, stealing cloud data, dumping credentials, and deleting backups before encryption. The useful response starts with edge-device patching, identity triage, immutable backups, and log review before recovery begins.
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Traffic management center operator monitoring highway cameras and traveler information systems

Daktronics Controller Flaws Put Public Digital Signs on Patch Watch

CISA is warning that flaws in Daktronics DMP-5000, VFC-DMP-5000, and DMP-8000 controller firmware could expose public display systems to root-level compromise. Operators of billboards, highway signs, venues, hospitals, and other connected displays should patch firmware, change default credentials, and verify that controllers are not reachable from the open internet.
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