#OT security
31 stories taggedOT security · page 2 of 3.

Iranian hackers suspected in attack on 30 US water systems
A wave of cyberattacks hit Minnesota water infrastructure on Sunday and Monday, briefly cutting supply to one town. Investigators say the methods match a known Iranian-linked group, though formal attribution has not yet been made.

CISA Warns Hackers Are Breaking Into Water Plant Controllers Left Exposed on the Internet
The US cyber agency says attackers are locking operators out of the small industrial computers that run water systems, forcing boil-water notices and manual operations.

Mitsubishi Electric Factory Gear Vulnerable to Network Tampering Attack
A flaw in the CC-Link IE TSN protocol lets a nearby attacker knock dozens of industrial products offline. Mitsubishi has not shipped a fix.

One in Five Data Centre Systems Is One Step Away From Hackers, Research Finds
A study of 174,000 data centre infrastructure devices found that roughly 32,000 sit just one network hop from the open internet, putting cooling, power and fire systems within easier reach of attackers than most operators realise.

Frenos Raises $1.52 Million More to Test Factory and Power-Grid Security Without Touching the Real Thing
The startup runs fake cyberattacks inside a virtual copy of your industrial network, so it can find the dangerous paths before real criminals do.

SecurityWeek Launches Awards Programme to Spotlight Industrial Cybersecurity's Best Work
A new independently judged awards scheme will recognise the people and technologies making a real difference in protecting factories, power grids, and critical infrastructure.

The Machines That Run the World Are Running Decades-Old Software
Industrial control systems keep factories, water plants, and power grids alive. They also run code written before Wi-Fi existed. Fixing that is harder than it sounds.

Give an AI a Body and You Give It an Attack Surface
Warehouses and factories are buying humanoid robots before security teams have a single audit standard to work from. Here's what that means for the people on the floor.

Siemens, Schneider Electric, and Rockwell Fix Dozens of Flaws in Factory Control Systems
Three of the world's biggest industrial equipment makers patched a wave of security flaws in the software that runs power plants, factories, and water systems. Here is what that means in plain English.

Your Business Is Not Too Small to Be an Iranian Hacker's Next Target
Groups linked to Iran's intelligence services are not hand-picking victims. They're scanning the internet for any door left unlocked, and a GPS company and a medical-device maker have already paid the price.

Iran, Russia, and China Have Been Quietly Attacking Water Systems — and the Door Was Usually Left Unlocked
A new threat-intelligence report finds three governments targeting water and wastewater infrastructure, not primarily to poison anyone, but to cause fear, probe weaknesses, and pre-position for future conflict. The tools they're using are embarrassingly basic.

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.