US 11,882,239 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 Jul. 23, 2021, as Appl. No. 17/384,645.
Claims priority of application No. 202141022415 (IN), filed on May 19, 2021.
Prior Publication US 2022/0377171 A1, Nov. 24, 2022
Int. Cl. H04M 3/42 (2006.01); G06N 20/00 (2019.01); G10L 25/63 (2013.01); G10L 15/26 (2006.01); G10L 15/02 (2006.01)
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 mobile telephone, comprising:
a hardware platform comprising a processor and a memory;
a telecommunication transceiver; and
instructions encoded within the memory to instruct the processor to:
identify a call made via the telecommunication transceiver;
analyze the call, comprising analyzing audio of the call while the call is in progress to identify indicia of deceit, and based on the analysis assign the call a predicted local reputation according to the analysis, including a legitimacy confidence score;
if the legitimacy confidence score is less than a first threshold, terminate the call;
if the legitimacy confidence score is greater than a second threshold, cease analysis of the call; and
if the legitimacy confidence score is between the first and second thresholds, continue analysis of the call.