US 12,348,671 B2
Fraudulent call detection
Harsha Ramamurthy Joshi, Bangalore (IN); Purnima Tammireddy, Bangalore (IN); and Pavan Kumar Podila, Bangalore (IN)
Assigned to McAfee, LLC, San Jose, CA (US)
Filed by McAfee, LLC, San Jose, CA (US)
Filed on Jan. 22, 2024, as Appl. No. 18/419,141.
Application 18/419,141 is a continuation of application No. 17/384,645, filed on Jul. 23, 2021, granted, now 11,882,239.
Claims priority of application No. 202141022415 (IN), filed on May 19, 2021.
Prior Publication US 2024/0187517 A1, Jun. 6, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04M 3/42 (2006.01); G06N 20/00 (2019.01); G10L 15/02 (2006.01); G10L 15/26 (2006.01); G10L 25/63 (2013.01)
CPC H04M 3/42085 (2013.01) [G06N 20/00 (2019.01); G10L 15/02 (2013.01); G10L 15/26 (2013.01); G10L 25/63 (2013.01); H04M 2203/6027 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A computer-implemented method, comprising:
while a voice call is in progress, performing local analysis, comprising analyzing audio of the voice call on local hardware of a phone to identify indicia of deceit, and assigning the voice call a local reputation with a confidence;
based on the confidence, supplementing local analysis with cloud-based analysis of call attributes; and
after determining, based on the local analysis and cloud-based analysis, that the call is malicious, terminating the call while the call is in progress.