Frequently Asked Questions

Deploy network‑based anomaly detection that profiles normal PLC command rates and flags spikes or unexpected command sequences. Complement this with host‑based integrity monitoring on engineering workstations to alert on unauthorized executable changes. Integrate the alerts with a SIEM that is tuned to the OT landscape, and test the detection chain quarterly using simulated ransomware payloads.

Issue time‑bound, role‑specific credentials that are stored in a privileged‑access‑management vault and require MFA for every session. Enforce strict command‑allow lists on the vendor’s remote gateway and record all session activity for audit. Ensure that any data exported from the PLCs is encrypted in transit and that logs are retained for at least 12 months to satisfy ADGM reporting obligations.

A centralized log collector that aggregates syslog, IEC 104, and OPC‑UA events, normalises them, and forwards them to a SOC‑grade SIEM is required. The solution must support tamper‑evident storage, role‑based access control, and real‑time correlation rules that reference the DIFC cyber‑risk framework. Choose a vendor that offers a validated hardening guide for industrial protocols and can provide audit‑ready reports on demand.

Leverage passive network taps to capture traffic from legacy devices and map their communication patterns without injecting traffic. Combine this with a vulnerability‑scanning tool that operates in read‑only mode and respects vendor‑specified safe‑scan windows. Compile the findings into a risk register that aligns with UAE PDPL privacy impact criteria, then prioritise remediation based on potential impact to safety and compliance.