Build an OT asset inventory without disrupting production
Start with existing evidence, reconcile device ownership and make unknown assets actionable.
OT security / EN
ENGINEERING NOTESTechnical answers.
Technical answers.
For real factory questions.
From the production line to business systems: implementation steps, design decisions and commissioning checks.
14 articles · OT security
OT security / EN
A PLC backup is not complete until recovery is tested
Plan a restore drill that checks project files, licenses, hardware dependencies and operational acceptance.
OT security / EN
Make vendor remote access a controlled work session
Document the purpose, approved route, time window and closeout evidence for a maintenance connection.
firmware / EN
Firmware Update Management for Industrial Devices: Policy Over Panic
Unpatched devices are a risk; botched updates are a production outage. A process for firmware that balances both.
ransomware / EN
Ransomware and OT: Why Traditional Endpoint Protection Is Not Enough
The playbook that protects office PCs does not transfer to controllers. What ransomware actually does to OT and where the defenses belong.
logging / EN
Logging and Audit Trails for OT Systems: What to Collect and Where to Keep It
OT logging is hard because devices log poorly and clocks drift. A practical baseline that satisfies both engineers and auditors.
plc / EN
Cybersecurity Hardening for PLCs: Steps That Work Without Breaking Production
Hardening a controller is different from hardening a server. Practical, low-risk measures for PLCs and their networks.
asset-management / EN
OT Asset Inventory: The Unglamorous First Step to Industrial Security
You cannot protect what you cannot see. How to build and keep an asset inventory that security and maintenance can both use.
cybersecurity / EN
USB and Removable Media in Industrial Environments: Real Risk, Practical Policy
A USB stick is still the most common way malware reaches a PLC network. How to control removable media without crippling workflows.
plc / EN
PLC Program Backup Best Practices: Protecting the Code That Runs Your Plant
The only copy of a machine's logic should never live on a single laptop. A practical backup strategy for PLC programs of any age.
cybersecurity / EN
IEC 62443 for Beginners: What the OT Security Standard Actually Requires
IEC 62443 is the reference framework for industrial cybersecurity. Here is a plain-language map of its parts and how to start applying it.
cicd / EN
CI/CD for Industrial Edge Devices and Gateway Firmware
How to bring modern continuous delivery practices to PLCs, industrial PCs, and edge gateways without risking production stability.
THE NEXT STEP
Talk to ASP Dijital ↗From calculation to implementation.
Let’s look at your machine, your data flow or your production goal together.