Trend Micro Inc.

Yuanhung Lin

Liwei Ren

Hung-Jen Chang

Jian-Ying Chen

One embodiment relates to a method for providing a service which matches document fingerprints against a database of document fingerprints. Target text data on a mobile phone device is obtained, and target document fingerprints are generated for the target text data using a fingerprint generator on the mobile phone device. The target document fingerprints are transmitted to a service cloud. A feedback message is received from the service cloud. The feedback message depends on results from matching the target document fingerprints against the database of document fingerprints. Other embodiments, aspects and features are also disclosed.

Document fingerprinting for mobile phones

A computer system includes a data collector and an anomaly detector. The data collector monitors network traffic/event log and sends monitoring data to the anomaly detector. The anomaly detector extracts values for a category of measure from the monitoring data and processes the values to generate a processed value. The anomaly detector predicts an expectation value of the category of measure based at least on time decayed residual processed values. The anomaly detector determines a deviation of the processed value from the expectation value to detect an anomaly event, and applies a security rule to the anomaly event to detect a security event.

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San Jose, CA, United States of America

Yuanhung Lin