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Prompt Shields

Prompt Shields develops software that discovers, monitors and governs enterprise use of artificial intelligence. Its Atlas AI platform identifies unregistered AI tools and vendor AI features, connects use cases with accountable owners and risk assessments, and builds an inventory for security and governance teams. A unified AI gateway tracks model requests, costs and latency while applying controls for prompt injection, sensitive-data exposure and organizational policies. The company also offers employee-facing AI assistance, agent security tools, developer SDKs and governance consulting. It operates from Norway and the UK and offers self-hosted deployment.

Team

Gabriel SabiescuSenior Engineer
Jun SekiCo-founder and Chief Technology Officer
Mahmut CangaPrincipal Engineer
Tage RingstadCo-founder and Chief Executive Officer

Investments

$—2025-11-18Aidiom, Startuplab, Antler