NDSS (Network & Distributed System Security Symposium),[31] annual security conference from Internet Society. NSPW (New Security Paradigms Workshop),[32] a workshop with new ideas in security. nullcon Security Conference is an annual security event held in Goa, India.[33][34] Open Web Application Security Project (OWASP), Focuses on web application security.[35] REcon REcon is a computer security conference with a focus on reverse engineering and advanced exploitation techniques.