Securing Infrastructure. Scaling Systems. Exploiting Vulnerabilities (Ethically)
$ whoami
Ethical Hacker | Security Researcher | Full-Stack Developer | System Architect
"Security isn't a feature, it's a mindset. Code with purpose. Hack responsibly."
Full-stack engineer with advanced expertise in offensive security, secure system architecture, and high-performance infrastructure. Specialized in identifying critical vulnerabilities, designing bulletproof applications, and leading security-first development initiatives. Experienced in both red team operations and defensive infrastructure hardening.
Certifications & Expertise:
- Ethical Hacking & Penetration Testing
- Secure Software Development Lifecycle (SSDLC)
- Cloud Security & Infrastructure Hardening
- Advanced Threat Assessment & Remediation
| Skill | Level | Expertise |
|---|---|---|
| Penetration Testing | Intermediate | Full-scope assessments, vulnerability exploitation, post-exploitation |
| Vulnerability Assessment | Intermediate | OWASP Top 10, CWE/CVSS analysis, risk quantification |
| Network Security | Intermediate | Network reconnaissance, packet analysis, protocol exploitation |
| Web Application Security | Intermediate | SQLi, XSS, CSRF, authentication bypass, session hijacking |
| Social Engineering | Beginner | Phishing analysis, social engineering assessments |
| Malware Analysis | Beginner | Binary analysis, reverse engineering, behavioral analysis |
Additional Tools:
Hashcat β’ John the Ripper β’ Hydra β’ SQLmap β’ BeEF β’ Acunetix
Qualys β’ Rapid7 β’ Shodan β’ Censys β’ TheHarvester β’ Maltego
Volatility β’ IDA Pro β’ Ghidra β’ x64dbg β’ Immunity Debugger
Expertise: | Python: Exploit development, automation, security tools, data analysis
- JavaScript/TypeScript: Secure web applications, real-time systems
- C/C++: Low-level security, reverse engineering, performance optimization
- Go: Microservices, cloud tools, concurrent systems
- Bash: System administration, automation, penetration testing scripting
| Layer | Technologies | Proficiency |
|---|---|---|
| Frontend | React, Next.js, TypeScript, Tailwind CSS, Vue.js | Intermediate |
| Backend | Node.js, Django, FastAPI, Express.js, GraphQL | Intermediate |
| Databases | PostgreSQL, MongoDB, Redis, Firebase, Elasticsearch | Intermediate |
| DevOps | Docker, Kubernetes, Terraform, CI/CD pipelines | Beginner |
| Provider | Services | Certifications |
|---|---|---|
| AWS | EC2, RDS, S3, Lambda, VPC, IAM, CloudFormation, Secrets Manager | AWS Security Best Practices |
| Google Cloud | Compute Engine, Cloud SQL, Firestore, Cloud Armor | GCP Security |
| Azure | App Services, SQL Database, Key Vault, Defender | Azure Security |
| Digital Ocean | Droplets, Managed Databases, App Platform | Infrastructure Management |
Capabilities:
- Cloud infrastructure hardening & compliance (HIPAA, PCI-DSS, SOC 2)
- Containerized security & supply chain integrity
- Infrastructure-as-Code security best practices
- Automated threat detection & incident response
- Deep Learning: Neural networks, CNNs, RNNs, transformers
- Computer Vision: Image classification, object detection, anomaly detection
- NLP: Sentiment analysis, text classification, threat intelligence extraction
- Threat Intelligence: ML-based attack pattern recognition, zero-day detection
- Malware Classification: Behavioral analysis, ML-based detection systems
Exploitation: Metasploit Framework β’ Empire β’ Mimikatz β’ ProxyLogon
Shellcode development β’ Custom exploit development
Reconnaissance: Shodan β’ Censys β’ TheHarvester β’ Maltego β’ OSINT Frameworks
Asset discovery β’ Threat landscape mapping
Fuzzing & Testing: AFL β’ LibFuzzer β’ American Fuzzy Lop β’ Custom fuzzers
Zero-day research β’ Edge case discovery
Code Analysis: SonarQube β’ SAST tools β’ Dependency checking β’ DAST
Static & dynamic analysis pipelines
Incident Response: YARA β’ Sigma rules β’ Splunk β’ ELK Stack β’ Zeek
Forensics β’ Log correlation β’ Timeline analysis
| Component | Expertise | Focus Area |
|---|---|---|
| Microservices | Intermediate | Service mesh, API gateway, distributed tracing |
| DevOps | Beginner | Infrastructure as Code, CI/CD, automated security scanning |
| Linux/Unix | Intermediate | Kernel hardening, SELinux, AppArmor, firewall rules |
| Networking | Intermediate | VPCs, subnetting, DDoS mitigation, WAF configuration |
| IoT/Embedded Security | Intermediate | Secure firmware, embedded security, hardware hacking, IoT penetration testing |
IoT/Hardware Penetration Testing Capabilities:
- Device firmware extraction & analysis
- Embedded system vulnerability assessment
- IoT protocol exploitation (BLE, Zigbee, Z-Wave)
- Hardware reverse engineering & JTAG debugging
- UART/Serial communication analysis
- IoT network segmentation testing
- Smart home security assessments
- Wireless attack vectors (WiFi 6, mesh networks)
- Physical security testing & tamper detection
- Bootloader exploitation & secure boot bypass
$ cat active_missions.txt- π¬ Advanced Threat Research: Identifying zero-day vulnerabilities and attack patterns
- π‘οΈ Secure Architecture Design: Building resilient, attack-resistant systems
- π Red Team Operations: Simulating advanced attacks for defensive improvements
- π€ Security Automation: ML-based threat detection & automated response systems
- π Threat Intelligence: Analyzing attack landscapes, vulnerability trends
- π Cloud Security Hardening: Implementing defense-in-depth cloud strategies
β Led penetration testing assessments for Fortune 50+ companies
β Designed secure-by-default application architectures
β Developed custom exploitation tools for security research
β Implemented zero-trust security models across cloud infrastructure
β Mentored security teams on offensive/defensive techniques
β Presented security research at conferences and webinars
β Published vulnerability disclosures and security advisories
β Maintained 99.99% uptime in production systems with security hardening
Currently researching and developing expertise in:
- Advanced Persistent Threat (APT) patterns & detection
- Zero-trust architecture implementation
- Kubernetes security & container orchestration
- Blockchain & smart contract security
- Quantum-resistant cryptography
- Supply chain attack vectors
- Advanced reverse engineering techniques
- Exploit development frameworks
| Platform | Purpose | Link |
|---|---|---|
| π Portfolio | Security Research & Projects | letchupkt.vgrow.tech |
| πΌ LinkedIn | Professional Connections | linkedin.com/in/lakshmikanthank |
| π― TryHackMe | Security Training & CTF | tryhackme.com/p/letchupkt |
| π¬ Discord | Community & Collaboration | Join Server |
| π§ Email | Direct Communication | letchupkt.dev@gmail.com |
If my security research and development tools have been valuable, consider supporting ongoing work:
Every contribution helps fund:
- π¬ Advanced security research projects
- π οΈ Open-source security tools development
- π Educational content & tutorials
- π Infrastructure for testing & development
$ git log --oneline --all | head -20βββββββββββββββββββββββββββββββββββββββββββ
β TRUST NO ONE. VERIFY EVERYTHING. β
β CODE WITH PURPOSE. HACK RESPONSIBLY. β
β SECURITY IS A JOURNEY, NOT A FEATURE. β
βββββββββββββββββββββββββββββββββββββββββββ
"In the realm of cybersecurity, knowledge is power. Responsibility is everything."
Professional Profile | Security-First Development | Ethical Research
Status: π’ Open to Collaboration | Security Consulting | Research Partnerships