// Offensive Security & Network Solutions

We find
vulnerabilities
before attackers do.

Expert penetration testing for web, mobile & cloud applications. Certified Ubiquiti network design, deployment and support. 5+ years · 50+ clients · OSCP · OSWE

papyge@security:~
$ whoami
Offensive Security Engineer · Ubiquiti Solutions Provider
$ cat certs.txt
OSCP (OS-101-29655) · OSWE (OS-101-29655)
$ echo $STATUS
Available for engagements
5+
Years Experience
50+
Clients Tested
2
OffSec Certs
PhD
Cybersecurity

// 01 — Services

What we do.

Full-spectrum offensive security testing and network infrastructure deployment for organizations that take security seriously.

🌐

Web Application Penetration Testing

Deep manual testing based on OWASP Top 10. Business logic flaws, authentication bypasses, API vulnerabilities, and injection attacks.

OWASP · BURP · MANUAL
📱

Mobile Application Testing

Security assessments for iOS and Android applications. Static and dynamic analysis, binary reversing, traffic interception.

iOS · ANDROID · MobSF
☁️

Cloud Security Assessment

AWS environment scanning, IAM misconfiguration analysis, S3 bucket exposure, and cloud-native attack path discovery.

AWS · MISCONFIGS · IAM
🔍

Secure Code Review

Manual source code review for PHP, Java, Python, and JavaScript. Integrated SAST/SCA tooling within your SDLC pipeline.

SAST · SCA · SSDLC
📋

Threat Modeling

Structured threat modeling and security architecture design for modern applications and banking-grade infrastructure.

STRIDE · GDPR · PCI DSS
🏆

Bug Bounty Program Management

Launch, manage, and triage private bug bounty programs. Vulnerability remediation strategy and researcher communication.

HackerOne · TRIAGE · VDP

// 02 — Network Infrastructure

Ubiquiti Solutions.

Professional design, deployment, and support of Ubiquiti UniFi and UISP networks for businesses of any scale.

Certified

UniFi & UISP Deployment Partner

We design and deploy enterprise-grade Ubiquiti networks — from small office setups to large-scale multi-site deployments. Our expertise covers the full UniFi ecosystem: wireless, switching, routing, physical security, and cloud management. Every deployment is backed by our cybersecurity expertise, ensuring your network is not just fast — but secure.

UniFi Network Access points, switches, gateways, VPN, VLAN design
UniFi Protect IP camera systems, NVR, video analytics, access control
UniFi Access Door access control, reader installation, identity integration
UISP / airMAX ISP network design, wireless backhaul, subscriber management
Cloud Management UniFi Site Manager, remote monitoring, multi-site oversight
Security Hardening Network segmentation, firewall rules, IDS, VPN configuration

// 03 — About

Who we are.

Oleksii Shaina
Offensive Security Engineer · papyge

Senior Application Security Engineer and Penetration Tester based in Kyiv, Ukraine. Currently securing Mono — one of Ukraine's largest mobile banks with 16 million users.

Over 5 years of hands-on experience conducting penetration tests for 50+ companies across fintech, e-commerce, banking, and enterprise sectors. PhD candidate in Cybersecurity at Taras Shevchenko National University of Kyiv.

Bug bounty researcher on HackerOne with findings in Spotify, Epic Games, and others.

Web Pentesting Mobile Security AWS Cloud OWASP Top 10 SAST / DAST Threat Modeling Burp Suite Python UniFi UISP
MAR 2025 — PRESENT
Senior AppSec Engineer / Pentester
Mono · Ukraine, Kyiv
APR 2024 — PRESENT
Senior Web Application Pentester
RECMAN · Ukraine, Kyiv
DEC 2022 — APR 2024
Web Application Pentester
Sekurno · Ukraine, Kyiv
DEC 2020 — MAR 2025
Senior Security Testing Engineer
EPAM Systems · Ukraine, Kyiv
🛡️
OSCP
Offensive Security
OS-101-29655
🔓
OSWE
Offensive Security
OS-101-29655
🎓
PhD Candidate
Taras Shevchenko National University
Cybersecurity · 2023–2027

Ready to work together?

Whether you need a penetration test, security assessment,
or a Ubiquiti network deployment — let's talk.

hello@papyge.xyz
Send a Message