Infrastructure & Access Security

Security is a core system property in Acceso. It is designed in, not added on.

Acceso minimizes trust assumptions. It reduces attack surface by default. It enforces isolation across layers.

Principles:

• Least privilege by default.

• Defense-in-depth across layers.

• Explicit environment boundaries.

• Separation between control plane and data plane.

• Auditable access to privileged operations.

• Safe failure modes under partial compromise.

Security objectives (CIA + traceability)

• Confidentiality: prevent unauthorized access to data and secrets.

• Integrity: prevent unauthorized mutation of systems and policies.

• Availability: keep serving traffic under partial failures and abuse.

• Traceability: preserve auditability for privileged actions.

Identity and access management (human + service)

Infrastructure access is restricted by role and environment. Production access is exceptional. It is not the default operational path.

• Short-lived credentials for privileged sessions.

• Just-in-time elevation for sensitive actions.

• Multi-party review for high-risk changes.

• Tight scoping to specific services and environments.

Privileged access expectations (deep dive)

High-risk actions should be guarded by:

• Break-glass procedures with explicit approvals.

• Time-bounded elevation and rapid revocation.

• Tamper-evident audit trails for non-repudiation.

Avoid standing permissions in production. Prefer time-bounded access with audit trails.

External interface hardening

All external access is mediated through authenticated interfaces. Requests are controlled at request entry.

Typical ingress controls:

• Authentication at request entry.

• Authorization and scope evaluation.

• Rate limits and quotas.

• Payload validation and sanitization.

• Request identifiers for traceability.

Threat surfaces considered

• Credential theft (keys, tokens, operator sessions).

• Supply-chain compromise (dependencies, build artifacts).

• Lateral movement between services.

• Unauthorized production access.

• Abuse via public interfaces (rate, auth, payload attacks).

Network and service boundaries

Acceso is deployed as multiple services. Each service has a clear trust boundary.

Typical controls include:

• Restricted ingress via gateways and front doors.

• Private service networking where possible.

• Service-to-service authentication for internal calls.

• Egress controls for high-risk dependencies.

Environment isolation

Acceso separates environments (dev, staging, prod). Isolation reduces blast radius and prevents drift.

Expected isolation properties:

• Separate credentials per environment.

• Separate network boundaries and access policies.

• Separate operational tooling targets.

Operational guarantees

• Production data stores are not directly exposed to public networks.

• Privileged access is restricted and auditable.

• Environment separation is enforced by policy, not convention.

Security governance (deep dive)

Common governance mechanisms:

• Audit logs for privileged actions.

• Standardized change control for security-sensitive settings.

• Periodic access review for roles and service identities.

• Incident response runbooks with clear containment primitives.