#OT security
10 stories taggedOT security.
CISA Flags Three Daktronics Controller Flaws That Could Let Attackers Hijack Highway Signs
A researcher found the vulnerabilities in controllers widely used to drive digital billboards and roadway message signs. Exploitation could mean someone else controls what drivers read.
ICS Security's 25-Year Reunion Is Headed to Nashville
The Industrial Control Systems Cybersecurity Conference marks a quarter-century in October 2026, touching down at the W Nashville for three days of OT threat intelligence.
Iranian Group Handala Claimed It Could Poison California's Water. Forensics Say Otherwise.
California Water Service brought in Mandiant after Handala threatened disruption. Investigators found no evidence the group ever touched operational technology.
CVE-2025-67038: Lantronix Serial-to-IP Flaw Moves From Research to Active Exploitation
A vulnerability disclosed through the BRIDGE:BREAK project is now seeing exploitation in the wild, raising fresh concerns about attacker interest in operational technology network edges.
Accenture Moves to Acquire Dragos, runZero, and NetRise in $4.1 Billion OT Security Consolidation
The deal values Dragos alone at $3.25 billion. runZero and NetRise would fold under the Dragos umbrella post-close.
Fuel, Chemicals, Food: CISA Warns ATG Attacks Can Drain Tanks Silently
Hardcoded credentials and unauthenticated command execution leave automated tank gauges wide open. The fix list is embarrassingly short.
900+ Fuel Tank Gauges Still Hanging Off the Public Internet
ATG systems in gas stations, hospitals, and military sites are exposed to known CVEs — and nobody owns the patch cycle.
Feds Sound Alarm on Exposed Fuel Tank Gauges as Hackers Probe Critical Infrastructure
CISA, FBI, NSA and DOE say internet-facing ATG systems at fuel depots, hospitals and military sites are being scanned and hit. The fix is mostly operator hygiene.
Dragos Buys Phosphorus to Close the xIoT Visibility Gap
The OT security firm absorbs an extended-IoT specialist, promising customers a unified platform that can actually see—and fix—the devices most asset inventories quietly ignore.
AI-Driven OT Security Is Only as Good as the Telemetry Feeding It
Fewer than 10 percent of OT networks have meaningful monitoring in place, according to the 2026 Dragos OT Cybersecurity Year in Review. Until that changes, layering machine-learning tools on top of industrial control systems may create more risk than it resolves.