David Ordovskiy

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My Tech Skills

Offensive Security

  • Web app penetration testing: IDOR, XSS, CSRF, SSRF, SQLi, path traversal, hash cracking, brute-forcing passwords, directory busting
  • Knowledge of tools: nmap, Nessus, nikto, Wireshark, Burp Suite, Metasploit, Hydra, John the Ripper, ffuf, DirBuster
  • Protocol enumeration and exploitation: FTP, Telnet, SSH, NFS, SMB, MySQL
  • Various OSINT techniques, Google dorking
  • Linux privilege escalation

Defensive Security

  • Endpoint security and hardening: firewalls, antiviruses, anti-malware; monitoring with Snort
  • ELK Stack
  • IoC analysis, log analysis, threat analysis, threat research
  • Knowledge of OWASP Top 10, Lockheed Martin Cyber Kill Chain, Diamond Model, MITRE ATT&CK
  • Knowledge of security frameworks: NIST, ISO 27001, PCI DSS
  • Password management (LastPass); experience with PKI

IT

  • Extensive OS knowledge: Linux, Windows, MacOS
  • OS Virtualization
  • Cloud services: Linode, AWS
  • Familiarity with protocols: TCP/UDP; HTTP, FTP, ICMP, ARP, DNS
  • Packet analysis with Wireshark
  • LAN management, subnetting
  • App deployment: AWS, Heroku; Ansible, Travis CI

Programming

  • Experience with programming languages: Python, JavaScript, Ruby, C, BASH
  • Full-stack application development: Next.js, React, MERN Stack, SCSS, Tailwind
  • Scripting in Python, BASH
  • Hands-on experience with various data structures and algorithms
  • TDD, test suites with RSpec and Jest
  • VCS: Git, GitHub