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Fintech Protocol A

Fintech Protocol A Wallet Session Audit

Semi-public audit covering wallet session controls and API trust boundaries for a production financial application.

Total findings

9

Critical / High

0 / 1

Resolved

89%

Duration

13 days

Overview

Semi-public audit covering wallet session controls and API trust boundaries for a production financial application.

Scope

FrontendBackend

Stack: React / Node.js / Redis / Wallet connectors

Method

AI-assisted detection

AI-driven diffing and path expansion surfaced session invalidation race windows and weakly correlated token lifecycle events.

Auditor-owned decisions

Auditors reconstructed realistic attacker timelines and finalized mitigation ordering to minimize user-facing disruption.

  1. 01 Session lifecycle tracing across wallet handshakes and token refreshes.
  2. 02 Targeted misuse simulations against auth mutation endpoints.
  3. 03 Post-fix validation with degraded network timing scenarios.

Key Risks

  • Cross-device session revocation delays under concurrent refresh activity.
  • Inconsistent signature domain checks in wallet-to-API handoffs.
  • Weak observability around high-risk auth mutation operations.

Outcome

Core auth and session risks were reduced to acceptable operational levels with verified compensating controls.