Android/Backend SMS API Security Enhancement

Job ID: 38444968

Budget: ₹600 – ₹1,500 INR

I need an experienced professional to set up security measures for my Android and backend system. There are hackers attacking my SMS API, so the main focus should be around securing it.

Key Tasks:
- Implement robust security measures for the SMS API
- Review and enhance the general security of the Android and backend system

Hacker is continuously attacking our system and sending N numbers of SMS related to OTP to multiple numbers.

Note - I don't wanna integrate Captcha on front end.
Related categories: PHP Web Security Mobile App Development Android MySQL