Safety PLCs vs Relays: When Each Makes Sense
- October 29, 2025
Safety PLCs vs Relays: When Each Makes Sense Both safety relays and safety PLCs can implement safety functions like emergency stops, guard monito...
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Validating Safe Motion: STO, SS1, SLS, and SSM
- October 29, 2025
Validating Safe Motion: STO, SS1, SLS, and SSM Modern drives don’t just stop — they stop safely. Functional safety in motion control...
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PL and SIL Without Tears: Selecting Safety Functions
- October 29, 2025
PL and SIL Without Tears: Selecting Safety Functions Performance Level (PL) and Safety Integrity Level (SIL) are two ways of quantifying how reli...
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Measuring Zero Trust Maturity in Factories
- October 29, 2025
Measuring Zero Trust Maturity in Factories Zero Trust isn’t a product — it’s a journey. Measuring progress helps OT leaders pri...
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Remote Work in OT: Secure Access without VPN Sprawl
- October 29, 2025
Remote Work in OT: Secure Access without VPN Sprawl Since 2020, remote access to industrial systems has skyrocketed — but so have breaches...
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Least Privilege for HMIs and SCADA: Design Patterns
- October 29, 2025
Least Privilege for HMIs and SCADA: Design Patterns Least privilege means giving each user and process only the permissions needed — nothin...
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Zero Trust in OT: Micro-Segmentation That Engineers Can Maintain
- October 29, 2025
Zero Trust in OT: Micro-Segmentation That Engineers Can Maintain Zero Trust is reshaping how industrial networks are secured. Instead of one trus...
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Identities for Machines: Certificates, TPMs, and Rotate at Scale
- October 29, 2025
Identities for Machines: Certificates, TPMs, and Rotate at Scale In a Zero Trust OT network, every node — from PLC to gateway — must...
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Coordinated Disclosure with Vendors: How to Do It Right
- October 29, 2025
Coordinated Disclosure with Vendors: How to Do It Right When you find a vulnerability in an industrial product, disclosure is not just an ethical...
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Asset Inventories That Stay Up-to-Date in OT
- October 29, 2025
Asset Inventories That Stay Up-to-Date in OT You can’t secure what you don’t know exists. In operational technology (OT), asset inven...
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Prioritizing Patches in OT: Risk, Windows, and Rollback
- October 29, 2025
Prioritizing Patches in OT: Risk, Windows, and Rollback Patching in OT is never “just apply and reboot.” Every update must balance vu...
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Vuln Scanning without Breaking the Plant: Safe Methods
- October 29, 2025
Vuln Scanning without Breaking the Plant: Safe Methods Running traditional vulnerability scans in OT can cause communication loss, device resets,...
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SBOMs for PLCs and HMIs: What’s Realistically Possible
- October 29, 2025
SBOMs for PLCs and HMIs: What’s Realistically Possible The Software Bill of Materials (SBOM) is becoming a cornerstone of cybersecurity tra...
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TSN + OPC UA PubSub: Reference Architectures
- October 29, 2025
TSN + OPC UA PubSub: Reference Architectures The future of industrial Ethernet lies in the combination of TSN for determinism and OPC UA PubSub f...
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Lab Testing TSN: Tooling, Traffic, and KPIs
- October 29, 2025
Lab Testing TSN: Tooling, Traffic, and KPIs Before deploying Time-Sensitive Networking (TSN) in production, engineers must validate timing, inter...
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Migrating Motion Control to TSN: A Stepwise Plan
- October 29, 2025
Migrating Motion Control to TSN: A Stepwise Plan Moving from proprietary motion networks (EtherCAT, SERCOS, PROFINET IRT) to TSN-based motion con...
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Determinism over Ethernet: What TSN Guarantees (and Doesn’t)
- October 29, 2025
Determinism over Ethernet: What TSN Guarantees (and Doesn’t) TSN brings determinism to Ethernet — but not magic. Engineers must under...
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TSN 101 for Controls Engineers: Time Sync and Queues
- October 29, 2025
TSN 101 for Controls Engineers: Time Sync and Queues Time-Sensitive Networking (TSN) extends standard Ethernet to deliver deterministic communica...
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Testing Python Pipelines in a Simulated Plant
- October 29, 2025
Testing Python Pipelines in a Simulated Plant Before deploying Python in live production, engineers should validate every data pipeline in a digi...
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When to Keep Python Off the Line: Risk-Based Rules
- October 29, 2025
When to Keep Python Off the Line: Risk-Based Rules Python is flexible, powerful, and easy to deploy — but that same flexibility makes it ri...
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