permission systems / client-side applications / cross-site / malicious applications / web applications / web browser extensions / desktop applications / classic client-server web applications / browser operating systems / web browsers / web application store / ent applications / web origin / web application / web vulnerabilities / web browser / x86 processors / web languages / software application galleries / trusted computing base / web domain / web origins / disjoint applications / benign applications / scarce web origins / web domains / Internet Explorer/Windows / web browsers primitives / classic operating systems / Internet Explorer / web services / be implemented using modern web browsers primitives / /