Rafael Fontes Souza aka b4ckd00r is a Senior Information Security Consultant at CIPHER. He is a core member of Cipher Intelligence Labs - the advanced security team focused on penetration testing, application security and computer forensics for premier clients. He started studying at age 13 and since then has disclosed security vulnerabilities and has received recognition and awards from major companies such as Apple, Microsoft, ESET, HP and others. Being done hundreds of successful penetration tests for various organizations, including government, banking, commercial sectors, as well the payment card industry.