Critical Infrastructure
US warns of AI-powered attacks on Siemens PLCs in critical infrastructure
U.S. cybersecurity agencies warn that threat actors are using AI-generated scripts to exploit Siemens S7 Series programmable logic controllers (PLCs) in U.S. critical infrastructure. PLCs are industrial computers used to automate and control machinery and physical processes in factories and other critical infrastructure. The NSA, CISA, FBI, Department of Energy, and Environmental Protection Agency issued […]
CISA: Medusa ransomware hit over 500 critical infrastructure orgs
The Cybersecurity and Infrastructure Security Agency (CISA) said Tuesday that the Medusa ransomware gang has breached more than 500 critical infrastructure organizations in the United States since June 2021. This was revealed in a joint advisory in coordination with the Department of Health and Human Services (HHS) and the Federal Bureau of Investigation (FBI). “As of April […]
Hackers breached a small Polish energy plant via private APN last year
Hackers used a dedicated mobile gateway to compromise a second facility during the destructive cyberattacks that hit Poland’s energy sector last year. The second target was a small combined heat-and-power (CHP) plant that supplies heat to around 50,000 residents, resulting in the steam turbine and the water treatment system being shut down. The Polish Computer Emergency […]
Hackers disrupt over 30 Minnesota water utilities in coordinated OT attack
The Minnesota IT Services (MNIT) agency activated its cybersecurity incident response capabilities across the entire state after hackers targeted more than 30 community water systems in “a coordinated cyberattack.” The attacks occurred on Sunday and Monday, July 26 and 27, and targeted operational technology (OT) systems at local water utilities. In a statement early Monday, […]
Over 900 US gas station tank gauge systems exposed to attacks
Over 900 automatic tank gauge (ATG) systems across the United States, used to monitor fuel and chemical storage tanks across various critical infrastructure sectors, have been found exposed online and are vulnerable to ongoing attacks. ATG systems are electronic monitoring devices used to remotely track fuel, chemicals, or other liquids in storage tanks, automating inventory control, […]
Student hacked Taiwan high-speed rail to trigger emergency brakes
A 23-year-old university student in Taiwan was arrested for interfering with the TETRA communication system used by the country’s high-speed railway network (THSR). According to local media reports, the student halted four trains for 48 minutes on April 5 by using software-defined radio (SDR) communications and handheld radios to transmit a high-priority “General Alarm” signal, triggering […]
American utility firm Itron discloses breach of internal IT network
Utility technology company Itron, Inc. has disclosed that an unauthorized third party accessed some of its internal systems during a cyberattack. The company states that it activated its cybersecurity response plan when detecting the activity last month, notified law enforcement authorities, and engaged external advisors to support the investigation and incident containment. “On April 13, […]
Nearly 4,000 US industrial devices exposed to Iranian cyberattacks
The attack surface targeted by Iranian-linked hackers in cyberattacks against U.S. critical infrastructure networks includes thousands of Internet-exposed programmable logic controllers (PLCs) manufactured by Rockwell Automation. According to a joint advisory issued by multiple U.S. federal agencies on Tuesday, Iranian state-backed hacking groups have been targeting Rockwell Automation/Allen-Bradley PLC devices since March 2026, causing operational disruptions and […]
US warns of Iranian hackers targeting critical infrastructure
Iranian-linked hackers are targeting Internet-exposed Rockwell/Allen-Bradley programmable logic controllers (PLCs) on the networks of U.S. critical infrastructure organizations. The warning came earlier today in the form of a joint advisory authored by the FBI, CISA, NSA, the Environmental Protection Agency (EPA), Department of Energy (DOE), and the United States Cyber Command – Cyber National Mission […]
Poland’s nuclear research centre targeted by cyberattack
Poland’s National Centre for Nuclear Research (NCBJ) says hackers targeted its IT infrastructure, but the attack was detected and blocked before causing any impact. In a statement this week, the organization announced that its security systems and internal procedures, designed to detect threats early, prevented the compromise and allowed its IT staff to quickly secure […]