CAMBRIDGE IGCSE Topic 5.1 Cookies Also in this topic... CAMBRIDGE IGCSE Topic 5.1 Uniform Resource Locator (URL) CAMBRIDGE IGCSE Topic 5.2 Digital currencies CAMBRIDGE IGCSE Topic 5.3 Cyber security threats, Forms of attack CAMBRIDGE IGCSE Topic 5.3 Cyber security threats, Malware CAMBRIDGE IGCSE Topic 5.3 Cyber security threats, Social engineering