CERT Polska is Computer Emergency Response Team which operates within the structures of Naukowa i Akademicka Sieć Komputerowa (Scientific and Academic Computer Network or NASK) – a research institute which conducts scientific activity, operates the national .pl domain registry and provides advanced IT network services. CERT Polska is the first Polish computer emergency response team. Active since 1996 in the environment of response teams, it became a recognised and experienced entity in the field of computer security. Since its launch, the core of the team’s activity has been handling security incidents and cooperation with similar units worldwide. It also conducts extensive R&D into security topics.