Security. Innovation. Resilience.
I'm Yeshu Wanjari, driven by a lifelong passion for technology and Security. I enjoy solving complex problems, developing innovative products, and turning ideas into practical applications.
Encryption is just the beginning of the story.
Ensuring Confidentiality, Integrity & Availability
Security & Pentesting
Tools & Frameworks
Development
Platforms & Cloud
Career
Professional Experience
Roles focused on cyber defense, red teaming, and secure web development.
Cyber Security Associate
Alliantgroup
- Conducted proactive threat hunting using SIEM queries and behavioral analysis
- Mapped observed attacker activity to MITRE ATT&CK tactics, techniques, and procedures Client Handling & Escalations
- Acted as primary contact for multiple clients during security incidents and escalations.
- Communicated technical findings in business-friendly language to clients, management, and non-technical stakeholders.
- Handled client escalations, providing timely updates, mitigation guidance, and closure confirmation.
- Prepared and delivered incident summary reports, and monthly SOC reports
- Assisted with vulnerability scan reviews, false-positive validation, and risk prioritization.
- Monitored, triaged and escalated countless security alerts across SIEM platforms (EDR, firewall, IDS/IPS, cloud, and application logs), maintaining SLA-driven response times.
- Investigated security events such as phishing, malware, brute-force attacks, privilege misuse, lateral movement, and data exfiltration attempts.
- Reduced alert noise by 50–60% through tuning rules, suppressions, and threshold optimization.
Cyber Security Engineer
COE Security LLC
- Performed end-to-end VAPT in alignment with OWASP Top 10, discovering high-risk vulnerabilities including Broken Access Control, IDOR, XSS, SQLi, and CSRF, reducing risk exposure by 60%.
- Created detailed vulnerability reports with remediation strategies, improving patch turnaround time by 40%.
- Developed Python scripts for automating tasks, reducing investigation time by over 75%.
Cyber Security Trainee
DRDO, Ministry of Defence, Gov of India
- Conducted in-depth cybersecurity research to support national security initiatives, focusing on cyber threat defense strategies for critical infrastructure.
- Contributed to 5+ internal security reports and policy briefs for senior leadership.
- Conducted threat intelligence analysis and reported potential indicators of compromise using OSINT and MITRE ATT&CK frameworks.
- Executed 10+ phishing simulations using Social Engineering Toolkit (SET).
Cyber Forensic Intern
Cyber Security Corp, Pune
- Investigated and resolved 20+ cybersecurity cases and incidents in collaboration with law enforcement, improving case resolution time by 25%.
- Identified a critical vulnerability in Microsoft's Bitlocker Encryption.
- Developed expertise in Mobile forensics, Linux, Splunk, Autopsy, Wireshark, Nmap, Metasploit, Burp Suite, Hashing, Encryption, Python automation, and Maltego.
Portfolio
Projects
A focused set of security and engineering projects with practical outcomes and measurable impact.
DarkGPT
Built a SaaS AI Chatbot from scratch using MERN stack and LLMs that provides detailed, unfiltered insights to assist ethical hackers in penetration testing strategies, identifying security vulnerabilities, and understanding exploitation techniques. Tech: ReactJS, ExpressJS, NodeJS, MongoDB, LLMs.
Academic
Education
A rigorous academic foundation in cyber security and computer science with strong performance and applied learning.
M.Tech - Cyber Security
2024 - 2026Amity University
B.Tech - Computer Science Engineering
2020 - 2024Symbiosis Skills and Professional University
Credentials
Certifications
Industry-recognized credentials focused on security operations, cloud fundamentals, and offensive techniques.
Microsoft Certified: Security, Compliance, and Identity Fundamentals (SC-900)
Microsoft
Issued Jun 2025
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Security Operations Fundamentals: Practitioner
Palo Alto Networks
Issued Apr 2024
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Qualys Certified Specialist - Vulnerability Management Detection & Response
Qualys
Issued Apr 2024
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CompTIA Security+
CompTIA
Issued Mar 2025
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Certified CyberSecurity Professional
Issued Feb 2025
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Client & Peer Testimonials
Feedback from engineering leaders, security architects, and founders who have collaborated with me on high-impact projects.
“Yeshu played an instrumental role in handling my case, demonstrating both expertise and commitment in Cyber Security and Digital Forensics. His proficiency in Technical skills was remarkable. Mr. Yeshu's passion for his work is evident in the meticulous and thorough approach he takes to solving complex digital forensic challenges.”
Tapan Singhal
Founder & CEO Datapower Consulting, IIT, IIM
“Yeshu played an instrumental role in handling my case, demonstrating both expertise and commitment in Cyber Security and Digital Forensics. His proficiency in Technical skills was remarkable. Mr. Yeshu's passion for his work is evident in the meticulous and thorough approach he takes to solving complex digital forensic challenges.”
Tapan Singhal
Founder & CEO Datapower Consulting, IIT, IIM
“I am pleased to recommend Mr. Yeshu Wanjari for his strong technical skills and thorough approach to application security. During a recent security assessment, Yeshu identified several high risk vulnerabilities including JWT attack weaknesses, Cross site scripting, Broken access control, OTP Bypass, Account takeover and Server side request forgery. His findings were accurate, well documented, and supported by clear remediation guidance.”
Ravi Yerra
CEO, COE Security
“Yeshu's technical discipline and relentless curiosity set him apart. Whether social-engineering patterns or automating defensive SOC operations, he executes with clarity, speed, and great attention to detail.”
Pankaj Kumar
Senior Scientist, DRDO - Ministry of Defence