Remediation Playbook for CVE-2026-86326: Managing an Industrial Flaw With No Firmware Fix
Remediation Playbook for CVE-2026-86326: Managing an Industrial Flaw With No Firmware Fix Remediation advice usually ends in a version number. For C…
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The FBI and EPA Warning on Water-Sector PLCs: What the MicroLogix Campaign Exposed
The FBI and EPA Warning on Water-Sector PLCs: What the MicroLogix Campaign Exposed On 30 July 2026, the FBI and the Environmental Protection Agency…
161,907 Hosts on Port 102 and 173 Siemens S7 Fingerprints: Reading Two Numbers From the Same Internet
161,907 Hosts on Port 102 and 173 Siemens S7 Fingerprints: Reading Two Numbers From the Same Internet Two queries run minutes apart against the same…
Industrial Protocols on the Open Internet: A ZoomEye Measurement of Modbus and EtherNet/IP
Industrial Protocols on the Open Internet: A ZoomEye Measurement of Modbus and EtherNet/IP Industrial control protocols were designed for isolated n…
When AI Lowers the Bar for Industrial Attacks: Defending OT in the Age of Generated Exploits
When AI Lowers the Bar for Industrial Attacks: Defending OT in the Age of Generated Exploits For years, the security of industrial control systems r…
161,764 Assets on Port 102: Sizing the Industrial Control Surface That AA26-231A Described
161,764 Assets on Port 102: Sizing the Industrial Control Surface That AA26-231A Described Joint Cybersecurity Advisory AA26-231A warned in August 2…
Beyond Cyclic Polling: Objects, Classes, and Outstation State in DNP3
By RUGERO Tesla ( @404saint ) If you approach DNP3 (Distributed Network Protocol 3) from a background in Modbus/TCP or EtherNet/IP (CIP), your menta…
Why Advanced Industrial Protocols Give Raw Sockets the "Silent Treatment"
By RUGERO Tesla ( @404saint ) When I first ditched high-level libraries like pyModbus to build my own socket-based protocol toolkit, my goal was sim…
Abandoning Abstractions: Manually Crafting EtherNet/IP Packets Almost Broke Me
By RUGERO Tesla ( @404Saint ). There is a persistent illusion in Industrial Control Systems (ICS) security research: that high-level libraries, abst…