��️ Security Services

Professional security engineering, consulting, and research — backed by 226+ tools and 680+ open source projects.

226+
Security Tools Built
680+
Open Source Projects
39
PRs Merged to Major Repos
1,377
GitHub Contributions (2025)

📋 Service Offerings

🔍 Penetration Testing

Comprehensive security assessments using custom-built tooling. Web apps, APIs, networks, wireless, and IoT.

Web API Network Wireless IoT

🛠️ Security Tool Development

Custom security tools built to your specification. Scanners, fuzzers, exploit frameworks, automation pipelines.

Python Rust Go C Julia

🐧 Custom Linux Distributions

Purpose-built Linux distributions for security teams. Custom tool selection, hardening, branding, and CI/CD integration.

NullSec Linux Buildroot ARM

📡 Hardware Security

Flipper Zero payload development, WiFi Pineapple modules, firmware analysis, RF testing, and IoT security assessments.

Flipper Zero Pineapple HackRF Firmware

🤖 ML-Powered Security

Machine learning vulnerability detection, threat intelligence aggregation, anomaly detection, and adversarial ML assessments.

Oracle Vortex Mirage

📝 Security Auditing & Compliance

CIS, NIST 800-53, PCI-DSS, SOC 2 compliance checks. Automated scanning with detailed remediation reports.

CIS NIST PCI-DSS SOC 2

💼 Engagement Models

ModelBest ForTypical Duration
Project-BasedPentests, tool builds, audits1-4 weeks
RetainerOngoing security, tool maintenanceMonthly
AdvisoryArchitecture review, threat modelingPer session
TrainingTeam upskilling, workshops1-5 days

🏆 Portfolio Highlights

NullSec Linux

Security-focused Linux distribution with 226+ pre-installed tools, 5 specialized editions, and custom kernel patches.

19 ⭐ 3 releases

Marshall Browser

Privacy-first browser in Rust with built-in ad blocker (70k+ rules), anti-fingerprinting, and Tor integration.

12 ⭐ Rust + GTK3

Flipper Suite

430+ Flipper Zero files — BadUSB, SubGHz, IR, NFC, RFID, custom animations. Largest independent suite.

10 ⭐ 430+ files

rupurt

Linux rootkit hunter with 280+ signatures, 15 detection modules, eBPF monitoring, and APT implant detection.

4 ⭐ eBPF + C

🔗 Work With Me

Upwork

Hire for project-based security work

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GitHub Sponsors

Support ongoing open source development

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Direct Contact

Email for consulting inquiries

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🎓 Training & Courses

Looking for structured learning? Check out my courses on security tool development, Flipper Zero mastery, and building security Linux distributions.

View Courses →