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OTWarden

](/products/otwarden/reviews)

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OTWarden monitors CISA ICS-CERT, Siemens ProductCERT, Rockwell Automation, and BSI advisories around the clock, delivering filtered alerts to OT/ICS security teams within 2 hours of publication. Users build watchlists by vendor, product, or sector — so alerts are relevant, not noise. Features include CVSS threshold filtering, KEV (Known Exploited Vulnerability) flagging, asset inventory matching to identify which specific devices are at risk, compliance deadline tracking for NERC CIP and NIS2 audits, and multi-tenant MSSP support. Covers energy, water, manufacturing, maritime, and defence sectors. Plans from £29/month.

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