CDN edge nodes use feature control tokens embedded in cache keys to manage media asset states, preventing security subversion from exposed URLs.
Encrypting the Dalvik executable file within an Android package prevents reverse engineering while a decryptor class loader restores code for normal execution.
A dynamic filter construction technique encodes user access rights in machine-readable format to generate personalized event flows from data streams.
Iterative sampling algorithms select data items to scan based on extracted sensitive information patterns.
A monitoring range determination device generates a control flow graph to identify and protect tamper detection feature calling functions.