Abstract: The disclosure describes systems and techniques for assessing risk of an open Wi-Fi network, at a consumer's request, before the consumer performs a transaction. The system receives a Wi-Fi network risk assessment request associated with a Wi-Fi network connection of a mobile device. Upon receiving the request, the system retrieves connection-related data from the mobile device. The connection-related data is associated with the Wi-Fi network connection. The system performs a Wi-Fi risk assessment of the Wi-Fi network connection. The system transmits a result of the risk assessment to the mobile device for presentation on the mobile device. The system also transmits the result of the risk assessment to an issuer server. The issuer server is associated with a payment account of the consumer. Moreover, the system transmits a step-up authentication alert to the issuer server.

Abstract: A method for facilitating payment transactions includes receiving, by a server, a flash code request indicative of a transaction amount. A flash code associated with the transaction amount is communicated by the server to the payer device. The flash code is encoded into a flash pattern at the payer device and communicated to a payee device of a payee for executing a payment transaction between the payer and the payee. A first request for the payment transaction is received by the server from the payee device. The first request includes the flash code obtained by decoding the flash pattern at the payee device. The flash code included in the first request is validated by the server. Based on successful validation of the flash code, the transaction amount is deducted from a payer account of the payer and credited to a payee account of the payee.

Abstract: A method for facilitating payment transactions includes receiving, by a server, a flash code request indicative of a transaction amount. A flash code associated with the transaction amount is communicated by the server to the payer device. The flash code is encoded into a flash pattern at the payer device and communicated to a payee device of a payee for executing a payment transaction between the payer and the payee. A first request for the payment transaction is received by the server from the payee device. The first request includes the flash code obtained by decoding the flash pattern at the payee device. The flash code included in the first request is validated by the server. Based on successful validation of the flash code, the transaction amount is deducted from a payer account of the payer and credited to a payee account of the payee.

Abstract: A computer system includes a processor programmed to process a first web page to identify a hyperlink contained thereon. The hyperlink includes a link to a second web page. The processor performs natural language processing on the first web page to determine one or more context word tokens and on the second web page to determine a context of the second web page. The processor also applies a context relevant tag to the hyperlink to generate a tagged hyperlink. The processor maps at least one of the context word tokens to the context relevant tag applied to the hyperlink and generates a transaction score for the tagged hyperlink.

Abstract: A computer system includes a processor programmed to process a first web page to identify a hyperlink contained thereon. The hyperlink includes a link to a second web page. The processor performs natural language processing on the first web page to determine one or more context word tokens and on the second web page to determine a context of the second web page. The processor also applies a context relevant tag to the hyperlink to generate a tagged hyperlink. The processor maps at least one of the context word tokens to the context relevant tag applied to the hyperlink and generates a transaction score for the tagged hyperlink.

Abstract: The disclosure describes systems and techniques for assessing risk of an open Wi-Fi network, at a consumer's request, before the consumer performs a transaction. The system receives a Wi-Fi network risk assessment request associated with a Wi-Fi network connection of a mobile device. Upon receiving the request, the system retrieves connection-related data from the mobile device. The connection-related data is associated with the Wi-Fi network connection. The system performs a Wi-Fi risk assessment of the Wi-Fi network connection. The system transmits a result of the risk assessment to the mobile device for presentation on the mobile device. The system also transmits the result of the risk assessment to an issuer server. The issuer server is associated with a payment account of the consumer. Moreover, the system transmits a step-up authentication alert to the issuer server.

Abstract: A system for identifying genuine user-merchant association. The system includes one or more processors and/or transceivers individually or collectively programmed to check the validity or expiration of a certificate from a device from which a request originates to create a certificate score, analyze previous communication from the device from which the request originates across a plurality of entities and regions to create a previous communication score, and conduct a messaging protocol check to create a protocol score. The one or more processors and/or transceivers are also programmed to output a weighted final score comprising a determination of whether to accept or deny the request based at least in part on one or more of the certificate scores, the previous communication score, or the protocol score. The one or more processors and/or transceivers are also programmed to save the weighted final score.

Abstract: A system receives a remote pay authorization request message from a first consumer. The message includes a transaction token with transaction details. The system also receives first user mapping data from a first issuer. The mapping data includes a unique ID corresponding to a second consumer (i.e., a paying consumer). The system receives a second remote pay authorization request message from the second consumer. The message includes a payment token that includes consumer payment account data. The system also receives second user mapping data from a second issuer. The second user mapping data includes the unique ID. The system determines that the unique ID is included in the first and second user mapping data. The system merges the transaction token and the payment token into a combined payment token, thereby enabling the second consumer to pay for a transaction performed by the first consumer.

Abstract: The disclosure describes techniques for authenticating a voice command transaction initiated by a consumer at a voice-activated digital assistant. The system determine a proximity score for a consumer device. The proximity score is based on a distance between the consumer device and the digital assistant. The system detects motion indicating presence of a person proximate the digital assistant (based on wireless signal data) and determines a motion score. The system receives voice data from the digital assistant and determines a voice differentiation score. The system determines a rank score for the consumer device based on historical transaction data associated with the device. The system analyzes the proximity score, motion score, voice differentiation score, and rank score using a voice command authentication model. Based on the analysis, the system determines an authentication score for the voice command transaction request.

Abstract: A computer system includes a processor programmed to process a first web page to identify a hyperlink contained thereon. The hyperlink includes a link to a second web page. The processor performs natural language processing on the first web page to determine one or more context word tokens and on the second web page to determine a context of the second web page. The processor also applies a context relevant tag to the hyperlink to generate a tagged hyperlink. The processor maps at least one of the context word tokens to the context relevant tag applied to the hyperlink and generates a transaction score for the tagged hyperlink.

Abstract: Method and System for Facilitating Secure Payment Transactions A method for facilitating payment transactions includes receiving, by a server, a flash code request indicative of a transaction amount. A flash code associated with the transaction amount is communicated by the server to the payer device. The flash code is encoded into a flash pattern at the payer device and communicated to a payee device of a payee for executing a payment transaction between the payer and the payee. A first request for the payment transaction is received by the server from the payee device. The first request includes the flash code obtained by decoding the flash pattern at the payee device. The flash code included in the first request is validated by the server. Based on successful validation of the flash code, the transaction amount is deducted from a payer account of the payer and credited to a payee account of the payee.

Abstract: A method for facilitating payment transactions includes receiving, by a server, a flash code request indicative of a transaction amount. A flash code associated with the transaction amount is communicated by the server to the payer device. The flash code is encoded into a flash pattern at the payer device and communicated to a payee device of a payee for executing a payment transaction between the payer and the payee. A first request for the payment transaction is received by the server from the payee device. The first request includes the flash code obtained by decoding the flash pattern at the payee device. The flash code included in the first request is validated by the server. Based on successful validation of the flash code, the transaction amount is deducted from a payer account of the payer and credited to a payee account of the payee.

Abstract: A method for facilitating payment transactions includes receiving, by a server, a flash code request indicative of a transaction amount. A flash code associated with the transaction amount is communicated by the server to the payer device. The flash code is encoded into a flash pattern at the payer device and communicated to a payee device of a payee for executing a payment transaction between the payer and the payee. A first request for the payment transaction is received by the server from the payee device. The first request includes the flash code obtained by decoding the flash pattern at the payee device. The flash code included in the first request is validated by the server. Based on successful validation of the flash code, the transaction amount is deducted from a payer account of the payer and credited to a payee account of the payee.

Abstract: A transaction card comprises a piezoelectric chip configured to detect an impact applied to at least a portion of the transaction card, and generate an electrical pulse signal based on the detected impact. A processing circuitry of the transaction card is coupled to the piezoelectric chip. The processing circuitry, upon powering on, is configured to enable data exchange between the transaction card and a terminal device for executing a card-based transaction at the terminal device. The data exchange is enabled only when a magnitude of the electrical pulse signal exceeds a threshold value, thereby preventing unwanted data transfer from the transaction card.