Protection against permanent DDoS attacks

There is a sim bank as in the photo, we need a person who will connect it to the PC and teach us how to work with it. We just need to receive SMS.

We are looking for an experiencedCybersecurity Specialist / Penetration Tester to perform a security assessment of a web application built with AI. Responsibilities: Perform black-box and white-box penetration testing. Identify security vulnerabilities (OWASP Top 10, API security, authentication, authorization, etc.). Test against common attack vectors such as XSS, SQL Injection, CSRF, SSRF, IDOR, file upload vulnerabilities, and authentication bypass. Review API security and AI-related attack surfaces. Provide a detailed report with findings, severity, proof of concept, and remediation recommendations. Requirements: Fluent English (written and spoken). Proven experience in web application penetration testing. Strong knowledge of OWASP Top 10 and modern web security. Experience testing REST APIs. Ability to provide a professional security report. Relevant certifications (OSCP, PNPT, eJPT, CEH, etc.) are a plus. To apply, please include: Your hourly rate (USD). Your estimated fixed price for this project. Your years of experience. Examples of similar security assessments you have completed. Your English proficiency level

A problem has arisen with how things are heard on the other end; we have gone through a lot but cannot find the issue. We need a competent person who can identify the problem and better configure the telephony. There is also a remote server in this chain that connects via RDP, VPN, and other means. Therefore, the person must understand how it works and check all elements.