Topic

Purdue Model: news, advisories and analysis

14 articlesUpdated 10 Oct 2026

CyberSecureToday covers Purdue Model across 14 articles published between 15 Sep 2026 and 10 Oct 2026. The coverage includes 9 vulnerability advisories and 4 analysis or guidance pieces. 8 advisories are rated critical or high severity.

Stories on Purdue Model most often intersect with IEC 62443, SCADA and Critical Infrastructure, with Industrial, OT & IoT the most affected sector. The most recent story, “Emerson DeltaV Distributed Control System Workstation Unauthenticated RPC Flaw Enables Remote Execution”, was published 10 Oct 2026. Every article is listed below, newest first, with the affected products, severity and remediation guidance in each piece.

Latest coverage

ThreatsIndustrial & OTCritical
Emerson DeltaV Distributed Control System Workstation Unauthenticated RPC Flaw Enables Remote Execution
A critical unauthenticated RPC vulnerability in Emerson DeltaV distributed control system workstations allows attackers to execute code with SYSTEM privileges.
CST Editorial Desk10 Oct 20268 min read
NewsIndustrial & OT
SEC Form 8-K Forensics: Global Maritime Shipping Operator Reports Material Port Terminal Ransomware Attack
Global maritime shipping conglomerate files SEC Form 8-K disclosing a material ransomware intrusion freezing container terminal logistics across international ports.
Daniel Okafor7 Oct 20268 min read
ResearchIndustrial & OT
Industrial Ethernet Determinism Breakdown: Manipulating Level 1 Fieldbuses Under IEC 62443 Frameworks
Original OT research examining deterministic Industrial Ethernet fieldbus vulnerabilities under IEC 62443, demonstrating microsecond packet injection risks.
CST Editorial Desk28 Sep 202611 min read
GuidesIndustrial & OT
IEC 62443 Architecture Hardening: Deploying Micro-Segmentation and Conduits in Industrial Control Networks
A technical engineering guide on implementing IEC 62443-3-2 Zones and Conduits to isolate critical PLC and SCADA assets against cyberattacks.
Daniel Okafor27 Sep 202610 min read
ThreatsIndustrial & OT
Schneider Electric SCADAPack RTU Secure Lock Flaw Exposes Oil and Gas Telemetry to Tampering CVE-2026-81861
CISA issues advisory ICSA-26-258-04 warning of credential protection flaw CVE-2026-81861 in Schneider Electric SCADAPack RTUs managing critical pipeline infrastructure.
CST Editorial Desk26 Sep 202614 min read
ThreatsIndustrial & OTCritical
Wärtsilä FOS-Onboard Hardcoded Key Flaws Expose Vessel Fleets to Remote Takeover
CISA issues advisory ICSA-26-258-02 for critical hardcoded cryptographic key flaws in Wärtsilä FOS-Onboard, allowing remote attackers to hijack navigation systems.
CST Editorial Desk26 Sep 202615 min read
ThreatsIndustrial & OTCritical
Siemens SIMOVE Fleetmanager Flaws Enable Remote Trajectory Hijacking of Factory AGVs
Siemens fixes critical vulnerabilities in SIMOVE Fleetmanager and SIPLANT, preventing unauthenticated remote threat actors from altering autonomous factory AGV paths.
CST Editorial Desk25 Sep 202616 min read
GuidesIndustrial & OT
IEC 62443-3-2 Zones and Conduits: Engineering Micro-Segmentation Against OT Lateral Movement
An engineering deep dive into IEC 62443-3-2 zones and conduits, establishing hardware micro-segmentation and SL-T targets to protect physical industrial processes.
Daniel Okafor24 Sep 202618 min read
ThreatsIndustrial & OTHigh
OpenPLC Runtime Stored XSS Flaw Enables Operator Session Hijacking and Unauthorized Physical Process Control CVE-2026-88020
CISA warns of CVE-2026-88020 in OpenPLC Runtime v3 web interface, allowing attackers to hijack operator sessions and manipulate physical industrial processes.
CST Editorial Desk23 Sep 202615 min read
ThreatsIndustrial & OTHigh
Siemens SICAM 8 Remote Parameterization Resource Exhaustion Flaw Disables Substation Automation Controllers
Siemens releases advisory SSA-246443 for high-severity flaw CVE-2026-27663 in SICAM 8 controllers, where resource exhaustion halts substation automation.
CST Editorial Desk20 Sep 202613 min read
ThreatsIndustrial & OTCritical
Schneider Electric Modicon M580 Authentication Flaw Risks Industrial Process Takeover
Schneider Electric issues advisory SEVD-2026-251-04 for critical CVSS 9.2 flaw CVE-2026-3869 in Modicon M580 controllers enabling unauthenticated process takeover.
CST Editorial Desk20 Sep 202615 min read
ThreatsIndustrial & OTHigh
Rockwell Automation FactoryTalk Activation Manager Flaw Enables Local SYSTEM Privilege Escalation
Rockwell Automation issues advisory SD1799 for CVE-2026-16675 in FactoryTalk Activation Manager, allowing authenticated operators to seize SYSTEM privileges.
CST Editorial Desk20 Sep 202613 min read
ThreatsIndustrial & OTCritical
Industrial OT Defense: Implementing IEC 62443 Security Levels and Purdue Model Isolation
CISA ICS-CERT advisory ICSA-26-258-01 prompts urgent implementation of IEC 62443-3-2 zone segmentation and Purdue Model controls in industrial networks.
Daniel Okafor16 Sep 202611 min read
GuidesIndustrial & OT
Implementing IEC 62443-3-2: A Guide to Zones, Conduits and Purdue Boundaries
Engineering blueprint for implementing IEC 62443-3-2 zones, conduits, and Purdue Model boundaries across industrial automation and SCADA systems.
Mei-Lin Chen15 Sep 202610 min read