EU AI Act — Europe's risk-based regulation for AI systems.
Classify systems across the four risk tiers, screen for Article 5 prohibited practices, and stay audit-ready as high-risk obligations phase in.
The obligations.
Risk tiering
Unacceptable, high, limited, and minimal risk — each with its own obligations.
Prohibited-practice screening
Article 5 bans on social scoring, manipulation, untargeted scraping, and more.
High-risk obligations (phasing in)
Risk management, data governance, technical documentation, human oversight, accuracy & robustness.
GPAI transparency duties
Documentation and disclosure obligations for general-purpose AI providers.
Classification, documentation, control mapping, and continuous evidence.
Hydrus is the governance and audit-evidence layer — not a runtime enforcement tool.
Annex III classification
Automated tiering against the eight high-risk use-case areas.
Article 5 screening
Prohibited-practice checks built into every new AI registration.
Annex IV technical files
Auto-drafted technical documentation, kept current as systems change.
Continuous evidence & exports
Audit-ready packs for regulators and Notified Bodies.
Up to €35M or 7% of global annual turnover for prohibited practices under Article 5 — the Act's top tier.
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