What changes when SCADA is born browser-first.
This comparison is category-level, not a named-vendor takedown — mature legacy platforms carry decades of protocol breadth and installed-base tooling. The trade is architecture generation vs. accumulated legacy. As of 2026-07.
| Dimension | Traditional / legacy SCADA | SCAIQ™ |
|---|---|---|
| Client model | Installed desktop clients per station; per-seat licensing common | Any modern browser; no client installs |
| Engineering | Desktop engineering seats, often separately licensed | Browser-based Studio — design from anywhere |
| Alarm management | Event list + acknowledge; rationalization external | ISA 18.2 lifecycle: shelve/suppress/OOS, rationalization records, flood & chatter analytics |
| Architecture | Monolithic server, scale-up only | Distributed services, scale out per concern |
| Upgrades | Client + server upgrade projects | Server-side update; clients are browsers |
| Remote access | Add-on web servers / screen-sharing workarounds | Native — same experience everywhere, role-governed |
| Audit | Varies; often partial | Login/security/page/operator-action audit built in |
| Security model | OS-account era assumptions, retrofitted | RBAC + 2FA + TLS + session governance by design |
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