This talk is a crash course in the world of Computer Emergency Response Teams and National Cyber Security Centres. Hundreds of these teams strive to protect their respective corners of the internet from incidents and vulnerabilities. Unlike security operations centres, they usually don't have direct control of the protected systems. Instead, they rely on information exchange with their peers and co-operation networks to get timely advice on current threats to their customers.

Information exchange might not sound like much, but in practice it has saved us all from harm many times over. Come hear some of the stories.