< ciso
brief />
Tag Banner

All news with #ot security tag

377 articles · page 9 of 19

Yokogawa FAST/TOOLS Multiple Web and Crypto Flaws Reported

⚠️ Yokogawa's FAST/TOOLS (versions R9.01–R10.04) contains multiple web and cryptographic vulnerabilities tracked across 14 CVEs that could enable redirection to malicious sites, decryption of communications, man-in-the-middle attacks, cross-site request forgery, script execution, and unauthorized file access. Example CVSS v3 scores reach up to 8.2 for some issues. Yokogawa advises updating to R10.04, applying patch CS_e12787, then installing R10.04 SP3. CISA recommends minimizing Internet exposure for control systems, isolating OT networks behind firewalls, and using secure remote access.
read more →

AVEVA PI Data Archive: Remote DoS (CVE-2026-1507) Advisory

⚠ AVEVA's PI Data Archive contains an uncaught-exception vulnerability (CVE-2026-1507) that can allow an unauthenticated remote attacker to crash PI core services and cause denial of service. Affected versions include PI Server <=2018_SP3_Patch_7, 2023 (including 2023_Patch_1), and 2024. The issue has a CVSS 3.1 base score of 7.5 (High). AVEVA recommends upgrading to PI Server 2024 R2 or applying vendor patches and restricting inbound access to TCP port 5450.
read more →

Poland Energy Sector Cyber Incident Exposes OT Gaps

⚠️ A cyber actor compromised OT and ICS in Poland's energy sector in December 2025, affecting renewable plants, a combined heat and power facility, and a manufacturing company. Attackers gained access via vulnerable internet-facing edge devices, deployed wiper malware, destroyed HMI data, corrupted firmware, and damaged RTUs, causing loss of view and control. Production continued at some sites, but operators could not monitor or control systems as designed. Stakeholders are urged to enable firmware verification, change default credentials, and replace end-of-support edge devices.
read more →

CISA Guide Helps Critical Infrastructure Adopt Secure OT

🔒 CISA released Barriers to Secure OT Communications: Why Johnny Can’t Authenticate to help operational technology (OT) owners, operators, integrators, and manufacturers adopt more secure communications. Based on interviews with stakeholders across Water and Wastewater, Transportation, Chemical, Energy, and Food and Agriculture sectors, the guide explains why insecure legacy industrial protocols persist and how threat actors can impersonate devices or alter messages. It identifies practical barriers—cost and complexity, latency and bandwidth, inspection issues from encryption, and interoperability with legacy products—and offers actionable recommendations to reduce friction and improve usability when procuring, deploying, and maintaining secure OT communications.
read more →

Retiring OT Experts Create Cybersecurity Knowledge Loss

🏭 The imminent retirement of experienced OT staff is causing a widespread loss of institutional knowledge that directly threatens operational continuity and cybersecurity in industrial environments. Successors often inherit undocumented legacy systems, hidden VLANs, bespoke protocol tweaks and undocumented routing rules that were never captured in official diagrams. That mismatch increases the risk of outages during modernization, lengthens implementation timelines and can unintentionally expand the attack surface through misconfigured segmentation or firewalls. Prioritizing structured knowledge transfer, thorough documentation and OT-aware security practices helps reduce single points of failure and vendor dependence.
read more →

CISA: Synectix LAN 232 TRIO Unauthenticated Web Interface

🔒 The Synectix LAN 232 TRIO 3‑port serial-to-Ethernet adapter exposes its web management interface without requiring authentication, enabling unauthenticated actors to modify critical device settings or perform a factory reset. Tracked as CVE-2026-1633 and rated CVSS v3.1 10.0 (Critical), the product is end-of-life and Synectix is no longer in business, so firmware fixes are unavailable. CISA recommends minimizing network exposure, isolating control networks behind firewalls, and using up-to-date VPNs or other secure remote-access methods while operators pursue replacement or isolation of affected units.
read more →

Avation Light Engine Pro: Critical Missing Authentication

🛡️ Avation's Light Engine Pro devices expose configuration and control interfaces without authentication, tracked as CVE-2026-1341. Successful exploitation could allow an attacker to take full control of affected units. Avation has not responded to CISA's coordination request; users should contact the vendor and apply mitigations such as isolating devices from the internet, placing them behind firewalls, and using VPNs for remote access. CISA reports no public exploitation to date.
read more →

MOMA Seismic Station Authentication Bypass Vulnerability

⚠️ MOMA Seismic Station versions v2.4.2520 and earlier expose the device web management interface without requiring authentication, enabling unauthenticated actors to modify configuration, retrieve device data, or remotely reset the device. The vulnerability is tracked as CVE-2026-1632 and classified as Missing Authentication for Critical Function (CWE-306). CISA assigns a CRITICAL severity (CVSS v3.1 Base Score 9.1) and notes that RISS SRL did not provide a vendor-supplied patch in the advisory.
read more →

Mitsubishi FREQSHIP-mini for Windows: Incorrect Permissions

⚠️ A high-severity vulnerability (CVE-2025-10314) affects Mitsubishi Electric FREQSHIP-mini for Windows versions 8.0.0 through 8.0.2 due to incorrect default permissions. A local attacker with write access to the installation directory could replace service executables or DLLs and execute code with SYSTEM privileges, potentially modifying or destroying data or causing denial of service. Mitsubishi released version 8.1.0 to address the issue; administrators should install the update and apply vendor mitigations, limit remote access, and maintain endpoint protections.
read more →

Manufacturing Reimagined: Tech Trends and Impact in 2026

🏭 This Enterprise Spotlight outlines how emerging technologies — from AI and extended reality to edge computing and digital twins — are reshaping manufacturing operations, workforce interactions, and product lifecycles. The February 2026 issue brings together editorial insight, case studies, and practical frameworks to guide CIOs and plant leaders through adoption and scaling. It emphasizes data governance, interoperability, and measurable ROI as critical enablers for responsible transformation.
read more →

Emerging Technologies Reshaping Modern Manufacturing

🛠️ Emerging technologies — from AI and quantum computing to extended reality (XR), edge computing and digital twins — are driving profound change in manufacturing, improving efficiency, safety and innovation. This special report examines how these advances will fundamentally alter operations, competitiveness and value creation across industrial sectors. It highlights practical use cases, adoption challenges and strategic considerations for responsible integration.
read more →

Accelerate 2026: Future Directions in Secure Networking

🔒 Fortinet's Accelerate 2026 returns to Las Vegas March 9–13, bringing customers, partners, and industry leaders together at the Mandalay Bay Convention Center for keynotes, technical sessions, and an expansive Tech Expo. The event emphasizes an integrated platform approach to secure networking, unified SASE, cloud and OT protection, and AI-enhanced detection and automation. Customer-led sessions from organizations such as Lowe’s, TJX, and ExxonMobil will share practical implementations, while attendees can pursue certifications, hands-on workshops, and the Fortinet Ultimate Fabric Challenge to translate strategy into operational outcomes.
read more →

Rockwell ArmorStart LT Denial-of-Service Vulnerabilities

⚠ Rockwell Automation's ArmorStart LT devices are affected by multiple vulnerabilities that can cause denial-of-service conditions. Affected models include 290D, 291D, and 294D running firmware versions <=V2.002; each issue is rated CVSS v3.1 7.5 (High). Observed impacts include unresponsive CIP ports, unexpected device reboots, ICMP loss, and web application inaccessibility during fuzzing and active scanning. No patch is available; operators should apply network segmentation and secure remote access best practices to reduce exposure.
read more →

Rockwell ControlLogix 1756-RM2/RM2XT Denial-of-Service

⚠️ Multiple denial-of-service vulnerabilities in Rockwell Automation ControlLogix Redundancy Enhanced Modules (catalogs 1756-RM2 and 1756-RM2XT) can be triggered by crafted inputs, including malformed Class 3 messages and resource exhaustion. Exploitation may render devices unresponsive or cause major nonrecoverable faults, potentially requiring a restart. The issues carry a CVSS 3.1 base score of 7.5 (High). Rockwell recommends upgrading to 1756-RM3 and following advisory SD1769; if immediate upgrade is not possible, apply segmentation, firewalling, and other security best practices to reduce exposure.
read more →

Global survey of 100 energy sites finds widespread OT risks

🔍 A study by OMICRON based on multi-year deployments of its StationGuard IDS across more than 100 substations, power plants, and control centers found pervasive cybersecurity and operational shortcomings. Passive network monitoring exposed unpatched PAC devices, undocumented external connections, weak segmentation, and incomplete asset inventories—issues often visible within 30 minutes of connection. The findings emphasize the need for protocol-aware, network-level detection and automated asset discovery to meet frameworks such as IEC 62443 and NIST.
read more →

Coordinated Cyberattack on Polish Energy Grid Hits 30 Sites

⚠️ A coordinated late-December cyberattack targeted distributed energy resource (DER) sites across Poland, impacting roughly 30 facilities including combined heat and power (CHP) plants and wind and solar dispatch systems. Researchers at Dragos say attackers damaged OT equipment beyond repair and wiped Windows hosts while disabling remote monitoring, though generation continued and no outages occurred. Dragos links the operation with moderate confidence to the cluster it calls Electrum, noting overlaps with Sandworm/APT44 and ties to destructive wipers used in Ukraine.
read more →

Russian ELECTRUM Linked to December 2025 Polish Grid Attack

🔎 Dragos attributes a coordinated late-December 2025 cyber attack on multiple Polish power grid sites to the Russian state-sponsored crew ELECTRUM with medium confidence. The campaign targeted communication and control systems at combined heat and power facilities and systems managing distributed energy resources, including wind and solar dispatch. Although no blackouts were reported, attackers gained access to OT networks and disabled some equipment beyond repair. Dragos notes the operation blended IT-to-OT tradecraft, with KAMACITE enabling access and ELECTRUM executing ICS-focused actions.
read more →

Schneider Electric EcoStruxure Privilege Escalation Fix

⚠️ Schneider Electric has issued a fix for a local privilege escalation vulnerability in EcoStruxure Process Expert (CVE-2025-13905) caused by incorrect default permissions. An attacker with local access could modify executable service binaries and gain elevated privileges when services restart. Version 2025 contains the vendor fix; interim mitigations include application whitelisting and restricting privileged accounts.
read more →

AutomationDirect CLICK PLC Password Storage Vulnerabilities

🔒 AutomationDirect reported two vulnerabilities in CLICK Programmable Logic Controllers (PLCs) — CVE-2025-67652 and CVE-2025-25051 — that expose stored credentials and weak encoding. Both issues carry a CVSS 3.1 base score of 6.1 (Medium) and affect C0-0x, C0-1x, and C2-x product versions. AutomationDirect recommends updating CLICK PLUS and PLC firmware to V3.90; until the update can be applied, implement compensating controls such as network isolation, restricted access, application whitelisting, and enhanced logging and monitoring. CISA notes these vulnerabilities are not exploitable remotely and no public exploitation has been reported.
read more →

Rockwell CompactLogix 5370 DoS Vulnerability Advisory

⚠️ Rockwell Automation's CompactLogix 5370 controllers are affected by a denial-of-service vulnerability (CVE-2025-11743) that can produce a major nonrecoverable fault requiring a restart. The issue is triggered by a malformed CIP Forward Open message and has a CVSS v3.1 base score of 6.5. Affected versions include <=34.013, <=35.012, and 36.011; fixed releases include 37.011, 34.016, 35.015, and 36.012. Rockwell reported the issue to CISA; no known public exploitation has been reported and CISA notes the vulnerability is not exploitable remotely. Users unable to upgrade should follow security best practices to limit exposure.
read more →