penetration testing

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.Sold out , queue started. Please join un next year!

Cracking Passwords with Hashcat

Systems don't store original passwords, they store hashes. They look like this "f2477a144dff4f216ab81f2ac3e3207d". Hashing is a one way function, so you can't turn it back to password.

But you can make computer try every word in the dictionary, and tell if one matches. This article shows you how to do this with hashcat.

Invisible with Juho

Normally, Juho 'whois' Jauhiainen is out there to catch computer criminals. Now, he'll tell you, the pentester, how to be invisible.

Whois is the lead investigator at Accenture, a podcast start at Turvakäräjät and a co-founder of HelSec.

Visiting lecture in my penetration testing course 2022-04-04 w13 Monday 09:00 to 10:00.

Penetration Testing Course 2022

Learn to hack computers to protect your own.

In the course, you will break into target computers.

Excellent 4.9 out of 5 feedback from previous course.

Update: New visitor: Social Engineering with Riku Juurikko, Senior Security Manager, Elisa.

Update: New visitor: Forensic Analyses with Andrej Bondarenko, CEO, Difseco.

Update: New visitor: How to become invisible with Juho Jauhainen, Lead Incident Response Investigator, Accenture.

Internal Pentest vs External Penetration Test

Mika Rautio

Mika protects your payment card purchases.

At work, he has been buying external penetration testing. Now Mika is starting a team doing internal penetration testing for Poplatek (part of Nets). And tomorrow w47 Tue 2021-11-23, he will visit my ethical hacking course and tell us the lessons he has learned.

I have some extra places for those outside my course. The presentation is online and in Finnish.

Penetration Testing Course

Learn to hack computers to protect your own.

Course is finished, feedback was 4.9 excellent. Thanks! Next course is Pentest 2022 spring.

In the course, you will break into target computers. Excellent feedback from 4.8 to 5.0 out of 5.

Only one seat left! Advanced course, I can usually get places to most of those who know the prerequisites well.Can't take more participants here. Next enrollment opens 2021-11-29 w48 Mon 08:00. The next course instance starts on 2022 w13.

Update: New visitor: Niklas Särökaari, F-Secure.

Update: New visitor: Mika Rautio, Senior Software Architect, Poplatek.

Penetration Testing Course 2020 Spring - Tunkeutumistestaus ict4tn027-3003

Update: Top feedback: 5.0 / 5. Yes, every participant gave feedback, and each feedback was the best grade 5. Thank you!

Learn to hack computers to protect your own. In the course, you will break into target computers. Previous instance had excellent 4.9 out of 5 feedback.

Course is in late spring 2020. Teaching is in Finnish. Enroll now in Peppi: Tunkeutumistestaus ict4tn027-3003.