Conducted a comprehensive freelance security assessment of Sakthi Finance Limited’s digital assets, including web applications, APIs, and mobile apps. Delivered actionable findings that helped the organization mitigate high-risk vulnerabilities.
- Web: Discovered a Local File Inclusion (LFI) vulnerability in the “Show PDF” functionality, potentially exposing internal server files.
- API: Identified critical flaws such as Personally Identifiable Information (PII) leakage, missing authentication/authorization controls, AES-GCM nonce reuse, and a business logic flaw allowing unlimited balance top-ups.
- Mobile: Reported insecure storage of sensitive data in plaintext, successfully bypassed root detection, emulator detection, and SSL pinning mechanisms.