Siemens SIMATIC Devices Linux Kernel Out-of-bounds Read (CVE-2023-26607)

In the Linux kernel 6.0.8, there is an out-of-bounds read in ntfsattrfind in fs/ntfs/attrib.c. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description...

Rockwell Advises Disconnecting Internet-Facing ICS Devices Amid Cyber Threats

Rockwell Automation is urging its customers to disconnect all industrial control systems ICSs not meant to be connected to the public-facing internet to mitigate unauthorized or malicious cyber activity. The company said it's issuing the advisory due to "heightened geopolitical tensions and...

Honeywell Experion PKS, Experion LX, PlantCruise by Experion, Safety Manager, Safety Manager SC Stack-based Buffer Overflow (CVE-2023-5403)

Server hostname translation to IP address manipulation which could lead to an attacker performing remote code execution or causing a failure. See Honeywell Security Notification for recommendations on upgrading and versioning. This plugin only works with Tenable.ot. Please visit...

CISA Addresses the Rise in Ransomware Targeting Operational Technology Assets

CISA has published the Rising Ransomware Threat to OT Assets fact sheet in response to the recent increase in ransomware attacks targeting operational technology OT assets and control systems. The guidance: provides steps to prepare for, mitigate against, and respond to attacks; details how the...

Announcing the general availability of Azure Defender for IoT

As businesses increasingly rely on connected devices to optimize their operations, the number of IoT and Operational Technology OT endpoints is growing dramatically—industry analysts have estimated that CISOs will soon be responsible for an attack surface multiple times larger than just a few yea...

NSA and CISA Recommend Immediate Actions to Reduce Exposure Across Operational Technologies and Control Systems

Summary Note: This Activity Alert uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT&CK® framework. See the ATT&CK for Enterprise and ATT&CK for Industrial Control Systems frameworks for all referenced threat actor techniques and mitigations. Over recent months, cyber actors...