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It’s incumbent upon the enterprise to manage third-party supply-chain relationships with cybersecurity as a foremost priority, in particular locking down access to critical systems and adequately managing and assigning privileged access to third parties.
Operational Technology

Examining Third-Party Supply-Chain Risks Around Secure Access

Michael Mimoso
Expert Don C. Weber writes that safety devices are within scope for cybersecurity risk assessments. This includes conducting high-level risk assessments to assemble documentation for specific Systems-under-Consideration (SuC) of the safety solution, performing a vulnerability assessment of the SuC, feeding the results into the detailed risk assessment to allow the risk management team to identify and address residual risks.
Operational Technology
Operational Resilience
Vulnerability Management

Architecting Safety Using Cybersecurity Requirements and Assessments

Don C. Weber
OT and ICS asset owners must consider non-traditional OT exposures beyond software vulnerabilities—a comprehensive exposure management approach to risk reduction—to understand the multifaceted challenges and the proactive measures necessary to safeguard critical infrastructure.
Cyber Resilience
Operational Technology
Risk Management

Operational Technology Exposure: Beyond Software Vulnerabilities

Dan Ricci
The UK's National Cyber Security Centre (NCSC) reacts to growing cloud implementations for operational technology, SCADA, and industrial control systems. The shift to cloud computing has caused the NCSC to be concerned that organizations aren't properly managing the new connectivity, including security boundaries and access control mechanisms.
Risk Management
Cyber Resilience
Operational Technology

UK NCSC Urges OT/ICS Operators to Secure Cloud Migrations

George V. Hulme
The U.K.'s enhanced Cyber Assessment Framework is designed to help critical infrastructure organizations comprehensively assess and improve their ability to defend against, and respond to, cyberattacks.
Cyber Resilience
Operational Technology
Operational Resilience

UK Critical Infrastructure Sectors Brace for Enhanced Cyber Assessment Framework

George V. Hulme
Expert Dan Ricci explains how IT security and operational technology engineers and asset operators must collaborate to properly address risk within industrial environments.
Operational Technology
Risk Management
Operational Resilience

Three Ways to Foster Collaboration, Understanding Between IT, OT Security, Part 2

Dan Ricci
The Volt Typhoon takedown highlights the challenges the world faces in defending against such threats and the private industry/government collaboration that's necessary to succeed.
Operational Technology
Cyber Resilience
Risk Management

Volt Typhoon Takedown Highlights Critical Infrastructure Security Complexities

George V. Hulme
Understanding the nuances of OT cybersecurity vulnerabilities becomes imperative for IT cybersecurity teams to develop comprehensive defense strategies that safeguard both IT and OT environments.
Operational Technology
Operational Resilience
Vulnerability Management
Risk Management

What IT Cybersecurity Teams Need to Know about OT Vulnerabilities (Part 1)

Dan Ricci
Technical debt in OT leads to increased operations costs as teams fight to maintain outdated systems, and security teams struggle to keep those same systems secure, often through compensating controls.
Operational Technology

Getting Strategic Against Technical Debt in OT

George V. Hulme
Risk Management
Vulnerability Management
Zero Trust
Operational Technology

A Strategic Necessity: Compensating Controls in ICS, OT

George V. Hulme
Operational Technology
Vulnerability Management
Operational Resilience

OT Patch Management Truths

George V. Hulme
Typical OT network
Operational Technology
Industrial

The Purdue Model's Risky Blindspot

George V. Hulme

Latest on Nexus Podcast

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The Nexus podcast features conversations with security leaders, researchers, and experts sharing their expertise on cyber-physical systems security.
Adm. Michael S. Rogers, USN (Ret.) joins the Nexus podcast to discuss the Biden administration's National Cybersecurity Strategy, and its themes of cyber resilience and critical infrastructure protection.
Cyber Resilience
Risk Management

Nexus Podcast: Adm. Michael Rogers on Geopolitics and Defending Critical Infrastructure
In this episode of the Claroty Nexus Podcast, Istari Chief Technology Officer and Head of Advisory Abel Archundia joins to discuss the implications of complexity within critical infrastructure. Companies struggle with technical debt and are largely accumulated assets that are still part and parcel of their core businesses, and challenge their ability to proactively secure them and manage risk.
Risk Management
Healthcare

Nexus Podcast: Abel Archundia on Complexity in Critical Infrastructure
Operational Resilience

Nexus Podcast: Adam Gluck on Industrial DevOps