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公开(公告)号：US20210266403A1
公开(公告)日：2021-08-26
申请号：US17317575
申请日：2021-05-11
Applicant: PINDROP SECURITY, INC.
Inventor： Akanksha , Terry NELMS, II , Kailash PATIL , Chirag TAILOR , Khaled LAKHDHAR
Abstract: Embodiments described herein provide for detecting whether an Automatic Number Identification (ANI) associated with an incoming call is a gateway, according to rules-based models and machine learning models generated by the computer using call data stored in one or more databases.
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公开(公告)号：US20200045170A1
公开(公告)日：2020-02-06
申请号：US16595168
申请日：2019-10-07
Applicant: PINDROP SECURITY, INC.
Inventor： Payas GUPTA , Terry NELMS, II
Abstract: In an illustrative embodiment, a user device may block all the phone numbers used by an enterprise. When an enterprise wants to call the user, the enterprise may notify the user device through a separate secure channel that an enterprise phone number is in the process of making a phone call to the user device. The secure channel may include an authentication server that may request the user device to unblock the enterprise phone number. An incoming phone call from the enterprise phone number therefore can be trusted. After the phone call is terminated, the user device may again block the enterprise phone number. An attacker may not have access to the authentication server and a phone call from the attacker with a spoofed enterprise phone number (now blocked) may be dropped by the user device.
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公开(公告)号：US20190281158A1
公开(公告)日：2019-09-12
申请号：US16289957
申请日：2019-03-01
Applicant: PINDROP SECURITY, INC.
Inventor： Payas GUPTA , Terry NELMS, II
Abstract: In an illustrative embodiment, a user device may block all the phone numbers used by an enterprise. When an enterprise wants to call the user, the enterprise may notify the user device through a separate secure channel that an enterprise phone number is in the process of making a phone call to the user device. The secure channel may include an authentication server that may request the user device to unblock the enterprise phone number. An incoming phone call from the enterprise phone number therefore can be trusted. After the phone call is terminated, the user device may again block the enterprise phone number. An attacker may not have access to the authentication server and a phone call from the attacker with a spoofed enterprise phone number (now blocked) may be dropped by the user device.
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公开(公告)号：US20190281157A1
公开(公告)日：2019-09-12
申请号：US16287879
申请日：2019-02-27
Applicant: PINDROP SECURITY, INC.
Inventor： Payas GUPTA , Terry NELMS, II
Abstract: Disclosed herein are embodiments of systems, methods, and products comprises an authentication server for caller ID verification. When a caller makes a phone call, the server receives the phone call and verifies whether the phone call is from a registered device associated with the phone number. The server queries the registered device to retrieve one or more current call states via an authentication function on the registered device. The server compares the states and/or state transitions to the observed states and/or state transitions of the phone call. If the registered device states and/or state transitions match the observed phone call states and/or state transitions, the server verifies that the phone call is from the registered device and not some imposter's device. If there is no such match, the server rejects the phone call before the call phone is connected or terminates the phone call after the phone call is connected.
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公开(公告)号：US20240171680A1
公开(公告)日：2024-05-23
申请号：US18423858
申请日：2024-01-26
Applicant: Pindrop Security, Inc.
Inventor： John CORNWELL , Terry NELMS, II
IPC: H04M3/51 , G06F18/214 , H04M3/22 , H04M3/42
CPC classification number: H04M3/5175 , G06F18/214 , H04M3/2218 , H04M3/2281 , H04M3/42059 , G06V2201/10
Abstract: Embodiments described herein provide for passive caller verification and/or passive fraud risk assessments for calls to customer call centers. Systems and methods may be used in real time as a call is coming into a call center. An analytics server of an analytics service looks at the purported Caller ID of the call, as well as the unaltered carrier metadata, which the analytics server then uses to generate or retrieve one or more probability scores using one or more lookup tables and/or a machine-learning model. A probability score indicates the likelihood that information derived using the Caller ID information has occurred or should occur given the carrier metadata received with the inbound call. The one or more probability scores be used to generate a risk score for the current call that indicates the probability of the call being valid (e.g., originated from a verified caller or calling device, non-fraudulent).
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Patent Agency Ranking
公开(公告)号：US20210058507A1
公开(公告)日：2021-02-25
申请号：US16992789
申请日：2020-08-13
Applicant: PINDROP SECURITY, INC.
Inventor： John CORNWELL , Terry NELMS, II
Abstract: Embodiments described herein provide for passive caller verification and/or passive fraud risk assessments for calls to customer call centers. Systems and methods may be used in real time as a call is coming into a call center. An analytics server of an analytics service looks at the purported Caller ID of the call, as well as the unaltered carrier metadata, which the analytics server then uses to generate or retrieve one or more probability scores using one or more lookup tables and/or a machine-learning model. A probability score indicates the likelihood that information derived using the Caller ID information has occurred or should occur given the carrier metadata received with the inbound call. The one or more probability scores be used to generate a risk score for the current call that indicates the probability of the call being valid (e.g., originated from a verified caller or calling device, non-fraudulent).
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公开(公告)号：US20200252506A1
公开(公告)日：2020-08-06
申请号：US16784071
申请日：2020-02-06
Applicant: PINDROP SECURITY, INC.
Inventor： AKANKSHA , Terry NELMS, II , Kailash PATIL , Chirag TAILOR , Khaled LAKHDHAR
Abstract: Embodiments described herein provide for detecting whether an Automatic Number Identification (ANI) associated with an incoming call is a gateway, according to rules-based models and machine learning models generated by the computer using call data stored in one or more databases.
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公开(公告)号：US20220392452A1
公开(公告)日：2022-12-08
申请号：US17832146
申请日：2022-06-03
Applicant: Pindrop Security, Inc.
Inventor： Payas GUPTA , Elie KHOURY , Terry NELMS, II , Vijay BALASUBRAMANIYAN
Abstract: Disclosed are systems and methods including computing-processes executing machine-learning architectures extract vectors representing disparate types of data and output predicted identities of users accessing computing services, without express identity assertions, and across multiple computing services, analyzing data from multiple modalities, for various user devices, and agnostic to architectures hosting the disparate computing service. The system invokes the identification operations of the machine-learning architecture, which extracts biometric embeddings from biometric data and context embeddings representing all or most of the types of metadata features analyzed by the system. The context embeddings help identify a subset of potentially matching identities of possible users, which limits the number of biometric-prints the system compares against an inbound biometric embedding for authentication. The types of extracted features originate from multiple modalities, including metadata from data communications, audio signals, and images. In this way, the embodiments apply a multi-modality machine-learning architecture.
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公开(公告)号：US20220165275A1
公开(公告)日：2022-05-26
申请号：US17491312
申请日：2021-09-30
Applicant: PINDROP SECURITY, INC.
Inventor： Payas GUPTA , Terry NELMS, II
Abstract: Embodiments described herein provide for a voice biometrics system execute machine-learning architectures capable of passive, active, continuous, or static operations, or a combination thereof. Systems passively and/or continuously, in some cases in addition to actively and/or statically, enrolling speakers. The system may dynamically generate and update profiles corresponding to end-users who contact a call center. The system may determine a level of enrollment for the enrollee profiles that limits the types of functions that the user may access. The system may update the profiles as new contact events are received or based on certain temporal triggering conditions.
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公开(公告)号：US20220141334A1
公开(公告)日：2022-05-05
申请号：US17491292
申请日：2021-09-30
Applicant: PINDROP SECURITY, INC.
Inventor： Payas GUPTA , Terry NELMS, II
Abstract: Embodiments described herein provide for a voice biometrics system execute machine-learning architectures capable of passive, active, continuous, or static operations, or a combination thereof. Systems passively and/or continuously, in some cases in addition to actively and/or statically, enrolling speakers. The system may dynamically generate and update profiles corresponding to end-users who contact a call center. The system may determine a level of enrollment for the enrollee profiles that limits the types of functions that the user may access. The system may update the profiles as new contact events are received or based on certain temporal triggering conditions.
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