49 results about "Fraudulent Data" patented technology

Transactions using, for example, Near Field Communication (NFC), Bluetooth, online, or other applications, may pose a risk of fraud or identity theft. According to an embodiment, a method of evaluating transaction information in view of potential fraud and / or risk includes receiving transaction information at a remote location. The method also includes correlating the received transaction information with user data maintained at the remote location. The method further includes generating a score and / or risk or fraud data based on the correlating. Such transactions may be facilitated by a payment service provider. Related methods, devices, and systems are also disclosed.

Systems, methods, and media for analyzing fraud patterns and creating fraud behavioral models are provided herein. In some embodiments, methods for analyzing call data associated with fraudsters may include executing instructions stored in memory to compare the call data to a corpus of fraud data to determine one or more unique fraudsters associated with the call data, associate the call data with one or more unique fraudsters based upon the comparison, generate one or more voiceprints for each of the one or more identified unique fraudsters from the call data, and store the one or more voiceprints in a database.

A fraud detection method for use in an in-vehicle network system including a plurality of electronic control units that communicate with one another via a bus in accordance with Controller Area Network (CAN) protocol is provided. The method includes receiving at least one data frame sent to the bus, verifying a specific identifier in the received data frame only if the received data frame does not follow a predetermined rule regarding a transmission period and a state of a vehicle having the in-vehicle network system mounted therein is a predetermined state, detecting the received data frame as an authenticated data frame if the verification is successful, and detecting the received data frame as a fraudulent data frame if the verification fails.

A call processing method is disclosed. A first station initiates a call to a second station. Call information associated with the initiated call is evaluated by comparing the call information with information in a fraud database. Completion of the call is prevented if the evaluation results in a finding of fraud. If the evaluation results in no finding of fraud, the call is completed to the second station via a routing path obtained from a routing database. If the call being completed is deemed to be a call of interest, the routing path obtained from the routing database for completing the call is stored.

Systems, methods, and media for analyzing fraud patterns and creating fraud behavioral models are provided herein. In some embodiments, methods for analyzing call data associated with fraudsters may include executing instructions stored in memory to compare the call data to a corpus of fraud data to determine one or more unique fraudsters associated with the call data, associate the call data with one or more unique fraudsters based upon the comparison, generate one or more voiceprints for each of the one or more identified unique fraudsters from the call data, and store the one or more voiceprints in a database.

The application provides a detection method and device of website security. The detection method of website security comprises the following steps of: obtaining website security detection data of a website through a data access interface, wherein the website security detection data comprises at least one of Trojan Horse data, false data, search mask data, margent data, tampering data and vulnerability data; detecting the security of a website according to a website security detection rule corresponding to the website security detection data as well as the website security detection data, wherein the website security detection rule comprises at least one of a Trojan Horse rule, a false rule, a mask rule, a margent rule, a tampering rule and a vulnerability rule; and processing the security detection results. Through the application, the overall security situation of the website can be known by website managers and website users, and the security of the website can be effectively ensured.

A system and method is provided for identifying fraudulent data in an optical data transmission. The system and method includes scrambling an encoded data signal using dynamically changing scramble code; transmitting the scrambled encoded data signal over a network; descrambling the scrambled encoded data signal using a descramble code corresponding to a compliment of the dynamically changing scramble code; analyzing the descrambled encoded data signal to search for a region of low error between descrambled data and noise; notifying of a possible spoofing attempt when a region of low error is not found; and decoding the descrambled encoded data signal using a compliment of phase codes originally used for encoding the encoded data signal in order to generate a decoded signal to retrieve a desired data signal when a region of low error is found.

A system for providing industry-wide reference cost of fraud data related to financial presentation devices that are presentable to providers of goods and services is provided. A fraud assessment module executable by a processor of the system receives, from multiple business entities, sales data and operating cost data both related to financial presentation devices. The fraud assessment module determines, based on the received data, the reference cost of fraud data including a direct fraud loss, fraud operating cost and opportunity cost for use by individual entities as benchmark cost of fraud data.

The invention provides a fraudulent user identification method, a fraudulent user identification device and electronic equipment. The method comprises the steps of obtaining historical user data, historical transaction data and fraud data, and constructing a user fraud network graph; based on the user fraud network graph, extracting and screening model characteristic variables; subdividing the user group according to a preset strategy, and establishing a training data set and a verification data set based on a subdivision result of the user group and the screened model characteristic variables; establishing a plurality of segmented transaction fraud evaluation models, and training the transaction fraud evaluation models by using the training data set; obtaining user data and transaction data of a current user, and calculating a fraud evaluation value of the current user by using the corresponding transaction fraud evaluation model; and identifying whether the user is a fraudulent userbased on the fraudulent evaluation value of the user. According to the method, fraudulent clients can be identified more accurately, the fraudulent probability identification accuracy is effectively improved, and the model prediction precision is improved.

A method of analysis of incomplete data sets to detect fraudulent data is disclosed. The method comprises computing constant values for various leading digit sequence lengths, computing artificial Benford frequencies for the digit sequence lengths, computing a standard deviation for each of the sequence lengths, and flagging any digit sequences in the data set that deviate more than an upper bound number of standard deviations from the artificial Benford frequencies, the upper bound used to determine if the observed data deviates enough to be considered anomalous and potentially indicative of fraud or abuse.

The invention provides a risk assessment method and device based on XGBoost and electronic equipment. The method comprises steps: acquiring historical sample data, and determining positive and negative samples, wherein the historical sample data comprises user social data, user associated person data and fraud data; based on the obtained historical sample data, extracting risk characteristic variables, and establishing a training data set and a verification data set; screening risk characteristic variables according to a screening rule; constructing a risk identification model by using an XGBoost algorithm, and performing training by using the training data set; obtaining user social data and user associated person data of a current user, and calculating a risk assessment value of the userby using the risk identification model; and judging whether to trigger an early warning mechanism or not based on the risk assessment value of the user. According to the method and device, the risk condition of the user can be accurately evaluated, the fraudulent user is effectively identified, the model precision is improved, over-fitting is avoided, and the evaluation effect is remarkably improved.

The invention discloses a judging method, a device, a device and a computer-readable storage medium for fraudulent behavior. The method comprises the following steps: reading fraudulent data in a preset anti-fraudulent platform, classifying and screening the fraudulent data to generate various types of fraudulent sample data; The data of each fraud sample is transmitted to the preset learning model to form a plurality of fraud models. When the operation behavior of the user account is detected, the operation data is generated and a target fraud model corresponding to the operation data is determined. The operation data is transferred to the target fraud model, and whether the operation behavior is fraud or not is judged according to the similarity between the target fraud data and the operation data in the target fraud model. Because the fraud sample data comes from the fraud data of the preset anti-fraud platform, the target fraud model generated based on machine learning can judge the fraud behavior more accurately. At that same time, the fraud model can be update with the fraud data to avoid artificial setting and facilitate the judgment of new fraud behavior.

The invention discloses a recognition processing method of data, comprising the following steps: step S10 of recognizing the data in real time, and respectively storing fraud data, non-fraud data and data corresponding trust values into a database; step S11 of recognizing the data periodically, storing a fraud site into a fraud site database, and distributing obtained site trust values to the data under the side at the same time; step S12 of comprehensively recognizing the data, recognizing and judging the data stored in the non-fraud database in real-time recognition again according to the trust values acquired in a periodically-recognizing stage. The method provided by the invention forms a set of complete data recognition mechanism through organically combining data real-time recognition periodical recognition and data comprehensive recognition based on data fusion, respond to clients fast through an effective recognition method on the basis of acquired user access data, and simultaneously ensure accuracy and comprehensiveness for recognition.

A system and method for dynamically providing safe call back numbers to use to respond to an inbound communication, the method comprising parsing message records from a message server, analyzing the message records for untrustworthy phone numbers by comparing content of the message records to a reference data set that is retrieved from a database, the reference data set including genuine and fraud data wherein the genuine and fraud data includes entities and contact information corresponding to the entities, determining untrustworthy phone numbers in the message records from the analysis, and generating remedy actions based on the determination of the untrustworthy phone numbers.

The invention discloses a trusted electronic transaction release mechanism based on a generative adversarial network. The method is characterized by comprising, the transaction distribution of normalusers is learnt by using the generative adversarial network by using a large amount of non-fraudulent data based on a reverse idea; the obtained discrimination model can better identify non-fraud data, so that a release mechanism can be adopted for credible electronic transactions, and the remaining data which cannot be discriminated are delivered to the prediction model for prediction, so that alarge amount of time can be saved.

A system and method is disclosed for detecting fraudulent loan applications. The system is based upon multiple layers of detection in which anomalies are detected by analyzing the loan data and the borrower browser configuration for anomalies indicative of fraud. A plurality of fraud detection layers are used which when taken together provide a synergistic approach to detecting fraudulent data.

The invention comprises a method and system of detecting and identifying fraud arising from a healthcare claim. The system includes a storage means for storing a data base containing source data related to a healthcare claim. A memory means is used for storing a set of user-defined rules for detecting and identifying fraud. A processing means is coupled to the storage means for comparing the source data to the set of rules in the memory means. If the source data violates the set of rules, the relevant portion of the source data is identified and flagged as fraudulent data. The flagged data is then forwarded to a special investigator for a comprehensive analysis. The fraudulent data is transformed to graphs and charts to illustrate patterns so that the fraud is easily detected and identified.

The invention provides a fraudulent data identification method comprising the steps of training a preset training data set by using a preset successive type model training mode to build a successive type anti-fraud model; training to-be-tested data by using the successive type anti-fraud model to identify fraudulent data in the to-be-tested data. The invention also provides a fraudulent data identification device. Based on the characteristic that fraudulent data in to-be-tested data are non-balanced data, the successive type anti-fraud model is used for analyze and identify fraudulent data inthe to-be-tested data; compared with a common single model, the successive type anti-fraud model can improve the identification accuracy and recall rate of fraudulent data, more accurately judge fraudcases and reduce the range and cost of manual checking.

The invention discloses a credit card fraud identification method, and relates to the technical field of credit cards. The identification method comprises the following steps: after desensitizing acquired data, dividing the acquired data into a training set and a test set; adding part of noise to the fraudulent data in the training set, generating new fraudulent data, adding the new fraudulent data into the training set, and solving the problem of imbalance of the training set; a PCA method is adopted to perform feature extraction on the training set and the test set, and after feature vectorsare obtained, adopting an RF algorithm to construct a classifier according to feature data of the training set; importing the test set feature data into an RF classifier to identify and classify fraudulent transactions; and finally, evaluating the classification result by using a cost evaluation method to obtain the performance of the fraud identification method. According to the method, information can be quickly collected and preprocessed, and meanwhile, new fraud data is generated and added into a training set; modeling and classification are convenient to achieve, meanwhile, data evaluation can be achieved, and efficiency is improved.

The embodiment of the invention discloses a malicious group determination method and device, electronic equipment and a storage medium. The method comprises the steps of determining a knowledge graphaccording to a relationship between initial entities in historical fraud data; determining the similarity degree between different initial entities in the knowledge graph, and selecting candidate entities from the initial entities according to the similarity degree; according to the candidate entities, dividing the knowledge graph determined by the candidate entities into candidate groups; and determining whether the candidate group is a malicious group or not according to the score of the candidate entity in the candidate group. By running the technical scheme provided by the embodiment of the invention, the problems that a single-dimensional risk control strategy is difficult to acquire malicious gang behaviors in multiple directions, the occurrence time of the malicious gang behaviors is short, and malicious gangs are difficult to effectively discover and deploy the strategy in a short time can be solved, and the risk control efficiency is improved. The effect of improving the efficiency and accuracy of malicious group determination is achieved.

ordering information is received by the server 3 through the network 1, when the order is placed by a user. The received data storage means 6 stores data with an external format 4 the server received. The received data format conversion means 7 converts data with an external format 4 stored in the received data storage means 6 to data with an internal format 5, and must be stored in the received process data storage means 8. The host computer 10 administrates the orders using the data with the internal format 5 stored in the received process data storage means. By the construction stated above, fraudulent data can be eliminated as the received data format conversion means 7 can convert data with an external format 4 to data with reliable internal format 5.

The embodiment of the invention provides an online fraud identification method and device, a computer readable storage medium and electronic equipment, and relates to the technical field of computers,and the method comprises the steps: receiving a fraud identification request containing current to-be-identified data; obtaining a current attribute and a current attribute value of the current to-be-identified data; and comparing the current attribute and the current attribute value with a cached fraudulent attribute set to obtain an online identification result whether the current to-be-identified data is fraudulent data or not. In the technical scheme of the embodiment of the invention, the current attribute of the current to-be-identified data and the current attribute value of the current to-be-identified data are acquired and then compared with the cached fraud attribute set, so that fraud identification of the current to-be-identified data is realized, and online fraud identification can be simply and conveniently carried out without changing a modulo graph relationship network.

A fraud monitoring procedure in a management network is provided. A fraud monitoring program uses meter data, configuration data, and account information of the network to detect fraudulent activitiesin the network, such as fraudulent advertisements or other types of fraudulent data traffic, including fraudulent responses (such as fraudulent clicks) to advertisers. A fraud monitor receives configuration data and identification data of the network physical resources. The fraud monitor receives instrument data of data packet flow in the network. The fraud monitoring program receives account information of a network user. The fraud monitor analyzes the instrumentation data to detect the violation of a fraud detection policy that prevents malicious or fraudulent online advertising campaign based on the configuration data, the identification data, or the account information.