Abstract: A determination device includes an acquisition unit configured to acquire a ranging signal received by a receiver, a first determination unit configured to determine whether the ranging signal has been redundantly received based on information about a positioning satellite that has transmitted the ranging signal and information about a transmission time of the ranging signal, which are included in the ranging signal, and a second determination unit configured to determine that the ranging signal is a spoofing signal when the first determination unit determines that the ranging signal has been redundantly received.

Abstract: A non-transitory computer-readable recording medium storing an information processing program for causing a computer to execute a process including: transmitting, to a participant, access destination location information for participation in an online conference that includes a parameter of a value associated with an attribute of the participant of the online conference; allowing the participant to participate in the online conference in response to an access in which the access destination location information is specified from a terminal used by the participant; and determining whether or not to transmit information that indicates a content to the terminal on a basis of the attribute of the participant that corresponds to the value of the parameter included in the access destination location information used for the access at a time of participation in the online conference and a confidentiality level of the content to be shared in the online conference.

Abstract: An apparatus extracts a server process from a communication in a network to generate log data in which a combination of addresses of access sources in the server process is recorded, and compares a combination of past addresses recorded in the log data with a combination of addresses in a specific target access to identify a first communication apparatus performing an abnormal communication.

Abstract: A method of network monitoring includes, acquiring a log including site information for identifying a web site that is previously accessed by an access source and content information for identifying a content that is requested by the access source, generating a first relationship information that includes site information for identifying the web site which provides the content, generating a second relationship information that includes content information for identifying another content that is requested by the access source requesting the content, generating a third relationship information that includes a second combination of the access source and the web site which provides both the content and the other content for the access source, and determining a group that includes the first combinations corresponding to the second combinations whose degree of similarity is no less than a threshold, based on the third relationship information.

Abstract: An apparatus extracts a server process from a communication in a network to generate log data in which a combination of addresses of access sources in the server process is recorded, and compares a combination of past addresses recorded in the log data with a combination of addresses in a specific target access to identify a first communication apparatus performing an abnormal communication.

Abstract: An image processing apparatus that calculates three-dimensional information on a subject by a corresponding point search by taking one of three or more disparity images including the common subject to be a base image and one of the disparity images other than the base image to be a reference image, and includes: a search unit configured to search corresponding points base on an evaluation value in relation to a luminance gradient on an epi-polar line in each of the disparity images other the base image.

Abstract: A monitoring apparatus, includes a memory configured to store history information regarding a login attempt to a system by a communication apparatus in a state in which a first address is set, the system being a target to be monitored, and set a second address, and a processor coupled to the memory and configured to extract, from the history information, at least one of a variance of a number of login attempts per unit time and a length of a time of the login attempts, determine whether an attack in which accesses are attempted while an address is changed was executed on the system, according to the at least one of the variance and the length of the time, and add the second address of the system to a list that manages systems that had the attack when it is determined that the attack was executed.

Abstract: A network monitoring device includes: a memory; and a processor coupled to the memory and configured to: based on identifying information and attribute information of an access source included in a history of access to plural dummy servers installed in a monitoring target network, the access source having accessed the individual dummy servers, tally a number of the dummy servers accessed and a number of types of the attribute information for each access source; and estimate the legitimacy of individual access sources based on the number of dummy servers and the number of attribute information types tallied for each access source.

Abstract: A method of network monitoring includes, acquiring a log including site information for identifying a web site that is previously accessed by an access source and content information for identifying a content that is requested by the access source, generating a first relationship information that includes site information for identifying the web site which provides the content, generating a second relationship information that includes content information for identifying another content that is requested by the access source requesting the content, generating a third relationship information that includes a second combination of the access source and the web site which provides both the content and the other content for the access source, and determining a group that includes the first combinations corresponding to the second combinations whose degree of similarity is no less than a threshold, based on the third relationship information.

Abstract: An image processing apparatus that calculates three-dimensional information on a subject by a corresponding point search by taking one of three or more disparity images including the common subject to be a base image and one of the disparity images other than the base image to be a reference image, and includes: a search unit configured to search corresponding points base on an evaluation value in relation to a luminance gradient on an epi-polar line in each of the disparity images other the base image.

Abstract: A reading support apparatus is disclosed. The reading support apparatus includes a memory; and a processor coupled to the memory. The processor retains, in the memory, a provider address at which a document is registered. The processor monitors connection from a user with respect to the provider address retained in the memory. The processor acquires a word included in the document, the word reading support method used for a search conducted by the user in a state in which the user browses the document corresponding to the provider address, and outputs the word.

Abstract: A disclosed reading comprehension assistance apparatus includes one or more processors programmed to execute a process. The process includes acquiring information indicating behavior with respect to attention portions of respective users who read a document, specifying a user who properly reads the document based on the acquired information indicating behavior of the attention portions, estimating one or more high attention portions having attention focused on by the high-reliability users who have properly read the document based on the information indicating the behavior with respect to the attention portions, and presenting the one or more high attention portions.

Abstract: An apparatus includes a memory, and a processor coupled to the memory and configured to specify a communication source device that performs a plurality of traffic confirmations of communications with a plurality of first devices, and control to discard a plurality of first authentication requests for the plurality of first devices generated by the communication source device after performing the plurality of traffic confirmations of communications.

Abstract: A computer is disclosed that performs an electronic mail creation process. The computer creates an electronic mail by referring to a storage part in which received electronic mails are stored, using at least one electronic mail of the received electronic mails stored in the storage part, the at least one electronic mail selected based on a criteria being set beforehand, and changing at least one of header information and a body text of the at least one electronic mail.

Abstract: A safety determining apparatus includes a memory and a processor coupled to the memory. The processor is configured to acquire information on a user operation and an access target of the user operation, acquire information indicating a behavior of refraining from gaining access with respect to the access target by analyzing the user operation, and provide a user with information on the safety of the access target with respect to which the behavior has been executed.

Abstract: Provided are a memory, and a processor coupled to the memory. The processor is configured to detect a size of a display area for displaying respective selection areas associated with a plurality of selection candidate files that are selectable as an operation-target file, and a total display size of the selection areas for the selection candidate files displayed on the display area, and output an alert for prompting a confirmation of the file selected as the operation-target file, when a ratio of the total display size to the size of the display area exceeds a threshold.

Abstract: An object of the present invention is to realize novel information processing which uses light field data. To attain the object, light field data which represents directions of light beams which are emitted from an object to an image pickup unit and intensity of the light beams is obtained, and the light field data is corrected on a coordinate of the light field data.

Abstract: A risk calculation method includes: calculating a risk value based on psychological characteristic information indicating psychological characteristics unique to a user, and behavior characteristic information indicating behavior characteristics unique to the user in a predetermined time period obtained from a behavior history in the predetermined time period, among pieces of history information in which the behavior history of the user is recorded by a processor; and outputting alerts with respect to a user who has the calculated risk value exceeding a predetermined reference value by the processor.

Abstract: There is provided a network monitoring device including: a memory; and a processor coupled to the memory and the processor configured to: detect, based on history record information on attempts to log into a plurality of information processing devices from a plurality of terminals via a network, occurrences of attempts that were made to log into the plurality of information processing devices with common account information a predetermined number of times or less; and reject an attempt to log into an information processing device among the plurality of information processing devices from a terminal among the plurality of terminals and notify the terminal of a re-attempt to log into the information processing device after the occurrences of attempts are detected.

Abstract: A monitoring apparatus, includes a memory configured to store history information regarding a login attempt to a system by a communication apparatus in a state in which a first address is set, the system being a target to be monitored, and set a second address, and a processor coupled to the memory and configured to extract, from the history information, at least one of a variance of a number of login attempts per unit time and a length of a time of the login attempts, determine whether an attack in which accesses are attempted while an address is changed was executed on the system, according to the at least one of the variance and the length of the time, and add the second address of the system to a list that manages systems that had the attack when it is determined that the attack was executed.