Current focus: Lead Cybersecurity Trainer at TuxAcademy – empowering professionals in ethical hacking, DevSecOps, and secure SDLC. View courses at TuxAcademy

Cybersecurity architect & trainer with over 20 years of comprehensive experience in banking, non-banking financial solutions, and enterprise security. Proven track record in threat modeling, application security, and DevSecOps transformation. At TuxAcademy.org, Shekhar combines real-world attack vectors with defensive strategies – bridging the gap between legacy systems and modern secure engineering. His hands-on labs, CTF challenges, and risk-based training have elevated security maturity across fintech and product organisations.

Core Cybersecurity Competencies

Application Security (AppSec) Secure Code Review Threat Modeling (STRIDE/DREAD) DevSecOps & CI/CD Security VAPT & Ethical Hacking Cloud Security (AWS/Azure) ISO 27001 / PCI-DSS OWASP Top 10 / API Security Secure SDLC Java/Spring Boot Security Angular Security Hardening

Training Focus @ TuxAcademy

Certified Ethical Hacking (CEH) Secure Coding Bootcamp DevSecOps Pipeline Incident Response & Forensics Red Teaming Fundamentals Security Automation

Education & Credentials

🎓 Bachelor’s degree, Botany/Plant Biology
Bhupendra Narayan Mandal University, Madhepura (1995–1998)
💻 A Level – Information Technology
DOEACC (NIELIT) – Advanced Diploma in IT
🔐 Advanced Cybersecurity Certifications (equivalents)
ISO 27001 Lead Implementer practitioner | Secure Software Lifecycle Pro (CSSLP track) | Practical hands-on CEH

Security-Focused Experience

Cybersecurity Expert Trainer
TuxAcademy.org 2025 – Present
Design and deliver advanced cybersecurity curriculum: ethical hacking, secure coding, DevSecOps. Lead live workshops, CTF events, and corporate training for banks & product teams. Bridge real-world threats with defensive security.
Product Architect (Security & Compliance)
LinuxMantra IT Services June 2024 – Present
Architect security-first fintech products; implement threat modeling, vulnerability assessments, and secure CI/CD. Drive ISO 27001 readiness and OWASP compliance.
Product Architect & Associate Technical Architect (Security Vertical)
Tech Mahindra May 2020 – June 2024
Led security hardening initiatives for core banking platforms. Integrated SAST/DAST tools, conducted secure design reviews, and mentored 30+ engineers on AppSec best practices.
Technical Lead (Application Security)
RxLogix Dec 2019 – May 2020
Implemented real-time security monitoring, incident response playbooks, and risk assessment frameworks for healthcare SaaS products.
Technical Architect & Project Lead (Security & Financial Solutions)
Dion Global Solutions Ltd Jan 2008 – Dec 2019
Architected secure trading platforms; enforced security governance, data encryption, and regulatory compliance (RBI/SEBI). Drove security awareness programs across teams.
Software Engineer (Security Foundations)
Digisoft Pvt. Ltd Aug 2006 – Jan 2008
Early career focused on secure software development fundamentals, input validation, and access control mechanisms.

Real-world cybersecurity for modern enterprises

With 17+ years in banking & non-banking financial solutions and a total of 20+ years in software engineering, Shekhar brings unparalleled knowledge of attack surfaces in regulated industries. At TuxAcademy, his training goes beyond theory — live demos, breach simulations, and hands-on secure coding labs prepare students for real security challenges.

Technical Tooling & Platforms

Java / Spring Boot (Security) Angular / Node.js Burp Suite / OWASP ZAP Metasploit / Nmap SonarQube / Checkmarx Docker / Kubernetes Security Jenkins / GitHub Actions (DevSecOps) SIEM & SOAR basics