Security. Innovation. Resilience.

Securing the Digital Frontierwith Precision

I'm Yeshu Wanjari, driven by a lifelong passion for technology and cybersecurity. With proven skills in tackling complex security challenges, building innovative projects, and delivering secure, scalable software solutions.

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Encryption is just the beginning of the story.

Ensuring Confidentiality, Integrity & Availability

Your data deserves fortress-level protection.

Every click matters; so does every line of code.

Security & Pentesting

Penetration TestingVulnerability AssessmentNetwork SecurityEthical HackingForensicsSIEMIncident ResponseThreat Hunting

Tools & Frameworks

Burp SuiteNmapWiresharkMetasploitSplunkKali LinuxNISTISO 27001

Development

PythonJavaScriptReactNode.jsMongoDBSQLBashC/C++

Platforms & Cloud

AWSLinuxWindowsmacOSDockerGitVS CodePostman

Career

Professional Experience

Roles focused on cyber defense, forensic investigation, and secure web development.

Cyber Security Associate

Alliantgroup

Full-timeDec 2025 - Present

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.

Hyderabad, India

Cyber Security Engineer

COE Security LLC

Full-timeMay 2025 - Nov 2025

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%.

Remote

Cyber Security Trainee

DRDO, Ministry of Defence, Gov of India

TraineeMay 2025 - Jul 2025

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).

New Delhi, India

Cyber Forensic Intern

Cyber Security Corp, Pune

Jun 2023 - Jan 2024

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.

Pune, India

Portfolio

Projects

A focused set of security and engineering projects with practical outcomes and measurable impact.

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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.

ThreatX

An AI-powered threat intelligence platform that helps SOC teams identify and mitigate security threats. Combines top platforms like VirusTotal, URLhaus, and AbuseIPDB to provide comprehensive threat intelligence with integrated AI analysis.

File Exterminator

A Python-based CLI tool implementing U.S. DoD algorithms to securely erase sensitive data. The tool has been used to erase over 50 GB+ of sensitive data, making it irrecoverable by forensic and data recovery tools. Tech: Python, Data Security, Kali Linux CLI.

Eye-Controlled Mouse

Developed a hands-free cursor control system using webcam eye tracking with blink-based click simulation, enhancing accessibility for users with physical disabilities.

Academic