Teaching Websites

Antonio D'souza lives on the island of Manhattan. He enjoys teaching and culinary experiments. More than anything, he enjoys learning through new experiences and using what he's learnt to help people improve their lives. He is a health-conscious pragmatic infovore who prefers to judge each individual idea on its own merits rather than subscribing to an ideology. He has never owned a TV or car and avoids coffee, carbonated beverages, rice, and wheat products.

Hugo is a security engineer with an SRE/sysadmin background. He focuses on cloud infrastructure and Linux hardening on big, fat Kubernetes clusters. His tech hobbies include hardware security, CTI, and low-level Linux stuff. He also tries to write a bit of Go and play some CTFs. When not behind a keyboard, he may be found on his bike, climbing mountains, or sewing outdoor gear. He can be reached by solving a challenge. He does not use affiliate links and nothing on his website is sponsored.

Tero Karvinen teaches Free software. He offers courses at Haaga-Helia, including offensive security courses and a thesis. His courses cover topics such as Linux Servers, Information Security, Penetration Testing, Application Hacking, and Cyber Security. He also teaches courses on server management, network attacks, and reconnaissance. Tero has written books on Amazon, with over 500,000 copies sold. He has student projects in areas like PhisSticks BadUSB simulation and cryptocurrency mining dashboards.