Assessment archive
Blockchain API Infrastructure / Assessment case
Meridian Gateway
Infrastructure boundaries redesigned
01 / System overview
A multi-tenant API and RPC gateway mediating access to internal blockchain infrastructure.
Multiple infrastructure boundaries were redesigned to prevent privilege escalation.
02 / Architecture diagram
N1Edge Proxy
N2Identity Layer
N3Request Broker
N4RPC Pool
N5Operations Plane
03 / Assessment scope
Authentication
Rate limits
Request validation
Secret management
Deployment configuration
04 / Threat model
T-01
Privilege escalation
T-02
Tenant crossover
T-03
Secret exposure
T-04
Resource exhaustion
05 / Findings by severity
High2
Service identity could cross intended privilege boundaries.
Medium3
Request validation and deployment isolation.
Low5
Rate-limit telemetry and configuration drift.
06 / Remediation timeline
Week 01Identity and data-flow mapping
Week 02API abuse and deployment review
Week 03Boundary redesign verification
07 / Current status
Infrastructure boundaries redesigned
All findings were tracked through the described remediation phase. Status reflects the case-study review lifecycle.
08 / Case-study summary
“Multiple infrastructure boundaries were redesigned to prevent privilege escalation.”
Technical case study — not an audit certificate