Topics - Offensive Technologies. - Defensive Technologies. - GSM/VoIP Security. - Embedded/Hardware Hacking. - Smartphone / Mobile Security. - Exploit development techniques. - Advance in reverse engineering. - National Security & Cyber Warfare. - New Vulnerabilities and Exploits/0-days. - New Web attacks and application hacking. - Mobile Application Security-Threats and Exploits. - Malware and Botnet development and Analysis. - Critical National Infrastructure Security. - or any other interesting topic you may have...