Certificates

Written by Rene Kärkkäinen on 10.06.2026

Here you can find a list of certificates I have acquired over the years.

Cisco

The CCNA was completed at Metropolia University of Applied Sciences in 2026, the rest were completed 2023-2024 during my studies at Business College Helsinki.

• CCNA: Enterprise Networking, Security, and Automation | Networking, Security, Automation
• CyberOps Associate | SOC Operations, Incident Response
• Cybersecurity Essentials | Cybersecurity Fundamentals
• Networking Essentials | Networking Fundamentals
• IoT Security | IoT Security
• Introduction to Cybersecurity | Cybersecurity Basics

Hakatemia

These were completed in 2024 during my studies at Business College Helsinki.

• Linux Management and Hardening | Linux Administration
• Nessus | Vulnerability Assessment
• Nmap | Network Scanning
• Python Programming | Python & Automation
• Data Networks | TCP/IP & Networking
• Windows Security Basics | Windows Security
• Cryptography | Encryption & Hashing
• Basics and Concepts of Information Security Monitoring | Security Monitoring
• Basics of Web Development | HTML, CSS, JavaScript
• Fundamentals | Cybersecurity Foundations
• Cyber Philosophy | Security Mindset & Ethics

TryHackMe

• Security Engineer | Defensive Security & Hardening