hacking

New Course: Network Attacks and Reconnaissance

New course in 2025 spring! Network Attacks and Reconnaissance. In Finnish. Teaching together with Lari Iso-Anttila.

Now offering three offensive courses

We're thinking in the lines of WLAN, RFID, maybe even some SDR sprinkled in.

New Course: Application Hacking

New course in autumn! Application hacking and vulnerabilities. In Finnish. Teaching together with Lari Iso-Anttila.

Enrollment starts 2024-05-15 w20 Wed at 08:00.

Tunkeutumistestaus 2024

Learn to hack computers to protect your own. In the course, you will break into target computers.

Excellent feedback, reached 5.0 out of 5. Full five stars

Update: Check out our visitors!

Fuffme - Install Web Fuzzing Target on Debian

Web fuzzers can find unlinked, hidden directories. They can also find vulnerabilities in query parameters.

This article shows you how to install ffufme pratice target and ffuf, the leading web fuzzer.

Ethical Hacking 2023

Learn to hack computers to protect your own. In the course, you will break into target computers.

Excellent feedback, reached 5.0 out of 5. Full five stars

Penetration testing course 2023

Learn to hack computers to protect your own. In the course, you will break into target computers.

Excellent feedback, 4.9 out of 5. Full five stars

Crack File Password With John

Many file formats support encryption with a password. John the Ripper can crack these passwords with dictionary attack.

This article teaches you to obtain Jumbo version and compile it. Finally, you'll test your environment by cracking a ZIP archive password. A sample password protected ZIP file is provided with this article.

Penetration Testing Course 2021 Spring

Learn to hack computers to protect your own. In the course, you will break into target computers.

Excellent feedback, last 4.9 out of 5; best 5.0 out of 5. Full five stars

Update: two guests are coming: Riku Juurikko (Social engineering) and Mika Rautio (Credit card from hell).