Human authentication
Add signed-challenge login or step-up verification for employees, administrators, contractors, and customers.
See phishing scenario ↗Apply fresh proof where authority matters.
Start with one identity or action boundary. Select the workflow, signing model, success measure, and application responsibility before integration begins.
Solutions by use case
AI-agent authority
Give agents distinct identities and scoped authority before they use high-impact APIs, data, or tools.
See agent scenario ↗Sensitive operations
Require fresh approval before payments, privilege changes, production access, or other consequential actions.
See step-up scenario ↗eSIM transfer security
Add cryptographic approval to account recovery or eSIM transfer workflows where possession of a phone number is insufficient.
See eSIM scenario ↗Service authentication
Verify an application or service before allowing access to a protected API or workflow.
Review Pteri-Auth →Machine transactions
Preserve identity, delegation, scope, and evidence when automated actors interact.
See agent-to-agent scenario ↗Evaluation model
One workflow. Measurable evidence.
Define
Actor, action, current control, expected result, owner, and timeline.
Integrate
Signing mode, challenge contract, verification, failure handling, and application policy.
Measure
Time to first verification, success and rejection behavior, operational impact, and production recommendation.
Choose the boundary to evaluate.
Bring one application, agent, service, transfer, or sensitive action. For a quick self-check, the PTERI Setup Challenge returns a score based on your answers—not an audit.