About us

Oliveira Lima

I have more than 10 years of experience in the information security field. I’m a expert in penetration tests, vulnerability analysis and hardering. Founder of roothc.com.br and h4ck3rlabs. I’m aways looking for new knowledge. I’m also interested in exploit development and malware analysis. I truly belive that impossible is just a matter of point of view. Linkdln profile.

Ricardo Galossi

I’m passionate about information security. I have more than 6 years of experience in this subject. My main areas of work are vulnerability analysis, securing Linux servers. I’m a consultant security at EY - Ernst Young. I created the GuiadoTI (TI Guide) blog to share knowledge, help people with less experience, encourage discussion and keep the community updated with the main news about Information Technology. Linkdln profile.