Unsophisticated Cyber Actor(s) Targeting Operational Technology

CISA is increasingly aware of unsophisticated cyber actors targeting ICS/SCADA systems within U.S. critical Infrastructure sectors Oil and Natural Gas, specifically in Energy and Transportation Systems. Although these activities often include basic and elementary intrusion techniques, the presenc...

Device Status Modification Detected (High)

Changes in the controller state can stop operations altogether or start an operation that should not have been started. These operations can be used by an attacker to disrupt normal operation, cause production losses, or create safety concerns. This plugin only works with Tenable.ot. Please visit...

Device Mode Transition Detected (High)

The state of the controller code changed, regardless of the state expected by the process. When not part of scheduled maintenance, forcing can be used to introduce hard-to-detect, long-lasting changes that are harmful to operations. This plugin only works with Tenable.ot. Please visit...

CISA: Key Secure by Demand Elements for Operational Technology Fact Sheet

This fact sheet addresses key elements for operational technology OT owners and operators to consider when purchasing digital products that automate physical processes, e.g. programmable logic controllers PLCs, human-machine interfaces HMIs, and remote terminal units RTUs. CISA strongly advises...

Firmware Version Change Detected (Low)

Changes in the controller firmware represent a major change in the behavior of the device and usually cause a temporary interruption of operations. An attacker could use firmware changes to add malicious code to the controller, causing it to perform harmful operations which are hard to detect. Th...

Siemens SIMATIC Devices Linux Kernel Missing Release of Memory after Effective Lifetime (CVE-2022-1012)

A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 TM MFP BIOS Out-of-bounds Write (CVE-2020-10029)

The GNU C Library aka glibc or libc6 before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to...

The High-Stakes Disconnect For ICS/OT Security

Why does ICS/OT need specific controls and its own cybersecurity budget today? Because treating ICS/OT security with an IT security playbook isn't just ineffective—it's high risk. In the rapidly evolving domain of cybersecurity, the specific challenges and needs for Industrial Control Systems ICS...

CISA: Secure by Demand: Priority Considerations

This is CISA's Secure by Demand: Priority Considerations for Operational Technology Owners and Operators when Selecting Digital Products. This guide is intended to help owners and operators procure Operational Technology OT products, particularly industrial automation and control system products,...

CISA and US and International Partners Publish Guidance on Priority Considerations in Product Selection for OT Owners and Operators

Today, CISA—along with U.S. and international partners—released joint guidance Secure by Demand: Priority Considerations for Operational Technology Owners and Operators when Selecting Digital Products. As part of CISA’s Secure by Demand series, this guidance focuses on helping customers identify...

PT-2025-43668

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 146 Firefox ESR versions prior to 115.31 Firefox ESR versions prior to 140.6 Description A sandbox escape exists because of incorrect boundary conditions within the Graphics: CanvasWebGL component. Real-world attacks...

CISA and EPA Release Joint Fact Sheet Detailing Risks Internet-Exposed HMIs Pose to WWS Sector

Today, CISA and the Environmental Protection Agency EPA released Internet-Exposed HMIs Pose Cybersecurity Risks to Water and Wastewater Systems. This joint fact sheet provides Water and Wastewater Systems WWS facilities with recommendations for limiting the exposure of Human Machine Interfaces HM...

Iran-Linked IOCONTROL Malware Targets SCADA and Linux-Based IoT Platforms

Iran-affiliated threat actors have been linked to a new custom malware that's geared toward IoT and operational technology OT environments in Israel and the United States. The malware has been codenamed IOCONTROL by OT cybersecurity company Claroty, highlighting its ability to attack IoT and...

CISA Releases Insights from Red Team Assessment of a U.S. Critical Infrastructure Sector Organization

Today, CISA released Enhancing Cyber Resilience: Insights from CISA Red Team Assessment of a U.S. Critical Infrastructure Sector Organization in coordination with the assessed organization. This cybersecurity advisory details lessons learned and key findings from an assessment, including the Red...

Sailing the Seven Seas Securely from Port to Port – OT Access Security for Ships and Cranes

Operational Technology OT security has affected marine vessel and port operators, since both ships and industrial cranes are being digitalized and automated at a rapid pace, ushering in new types of security challenges. Ships come to shore every six months on average. Container cranes are mostly...

The Future of Cybersecurity Risk Management: Risk Operations Center (ROC) delivered by Qualys Enterprise TruRisk™ Management (ETM)

" A problem well defined is a problem half solved." – Charles Kettering In today’s digital landscape, organizations are overwhelmed with risk signals from all directions—cloud vulnerabilities, misconfigurations in custom code, operational technology OT gaps, and third-party integrations, to name ...

Rockwell Automation Verve Asset Manager 安全漏洞

Rockwell Automation Verve Asset Manager is a vendor-neutral OT endpoint management platform from Rockwell Automation. A security vulnerability exists in Rockwell Automation Verve Asset Manager versions prior to V1.38 that stems from the presence of an improper authorization vulnerability that cou...

ASD’s ACSC, CISA, FBI, NSA, and International Partners Release Guidance on Principles of OT Cybersecurity for Critical Infrastructure Organizations

Today, the Australian Signals Directorate’s Australian Cyber Security Centre ASD’s ACSC—in partnership with CISA, U.S. government and international partners—released the guide Principles of Operational Technology Cybersecuritylink is external. This guidance provides critical information on how to...

Threat Actors Continue to Exploit OT/ICS through Unsophisticated Means

CISA continues to respond to active exploitation of internet-accessible operational technology OT and industrial control systems ICS devices, including those in the Water and Wastewater Systems WWS Sector. Exposed and vulnerable OT/ICS systems may allow cyber threat actors to use default...

Researchers Warn of Flaws in Widely Used Industrial Gas Analysis Equipment

Multiple security flaws have been disclosed in Emerson Rosemount gas chromatographs that could be exploited by malicious actors to obtain sensitive information, induce a denial-of-service DoS condition, and even execute arbitrary commands. The flaws impact GC370XA, GC700XA, and GC1500XA and resid...