<p>Aspects of the disclosure provide a system that includes a protected module, an input module and a gesture engine. The protected module is configured to be accessible based on a specific gesture of a user predetermined to have a right to access the protected module. The input module is configured to receive an input gesture from a requester to access the protected module. The gesture engine is configured to be trained to process the input gesture in order to grant/deny an access to the protected module by the requester.</p>