Nec Corporation

Nec C Orporation

Yuki Ashino

Masato Yamane

Masafumi Watanabe

Yoichiro Morita

Takayuki Sasaki

Hideyuki Shimonishi

Masayuki Nakae

Tatsuya Ito

Kentaro Sonoda

Toshio Koide

Masaya Yamagata

Yoichi Hatano

Takeo Ohno

Kazushi Sugyo

Takashi Hitani

Miyu Yakumaru

A concealment method includes: acquiring image data showing a background of an object; detecting a change in a component in a predetermined direction included in the image data; determining a pseudo direction of the image data on the basis of the result of the detection; and arranging, between the object and an observation position of the object, a first concealment body including a plurality of optical elements having a property of refracting light rays in a predetermined direction and continuously arranged in an arrangement direction in a state of the arrangement direction being oriented in a direction along the pseudo direction.

Concealment method and concealment system

In order to appropriately accumulate communication data to be used for communication analysis, a communication processing apparatusis configured to accumulate communication data to be used for communication analysis, and includes a data processing unitconfigured to remove at least a part of the communication data to be accumulated, based on a communication property related to the communication data.

Communication processing apparatus, communication processing system, communication processing method, and program

An information processing device acquires a first position indicating a physical position of a first communication device, a second position indicating a physical position of a second communication device, and a plurality of third positions indicating physical positions set in a path connecting the first position and the second position; and searches for a physical path corresponding to a communication path of the first communication device and the second communication device based on the first position, the second position, and the plurality of third positions.

Information processing device, information processing method, and storage medium

In order to perform data aggregation using an appropriate data aggregation method among a plurality of data aggregation methods used to narrow down candidate data for in-packet analysis from communication data, a data aggregation apparatusincludes: an obtaining unitconfigured to obtain communication data via a communication network; a selecting unitconfigured to select one or more first data aggregation methods based on user operation, from a plurality of data aggregation methods used to narrow down candidate data for in-packet analysis from the communication data; an aggregating unitconfigured to perform data aggregation of the communication data, based on the one or more first data aggregation methods; and a display processing unitconfigured to display, on a screen, an aggregated value related to the data aggregation.

Data aggregation apparatus, data aggregation method, and program

In order to record communication data via a communication network, in a storage apparatus in accordance with an appropriate data recording method, a data processing apparatus includes: an obtaining unit configured to obtain communication data including one or more packets continuously communicated via a communication network; a recording unit configured to record the communication data in a storage; and a reading processing unit configured to read the communication data from the storage, wherein the recording unit selects a first data compression method from among a plurality of data compression methods based on compression rate for each data compression method, reading speed of the communication data from the storage, and decompression speed of the communication data required from reading of the communication data to decompression of the communication data in accordance with each compression method, and records the communication data in accordance with the first data compression method.

Recordation of data in accordance with data compression method and counting reading of the data in accordance with data counting method

Provided is an analysis device with which it is possible to find information relating to the intention and purpose of an attacker. The analysis device is provided with a purpose estimating means that estimates the purpose of behavior, based on predetermined behavior in the computer and knowledge information that includes the relation between the behavior and the purpose of executing the behavior.

Analysis device, analysis method and computer-readable recording medium

Provided is an analysis apparatus including a first storage device configured to store data, and a processing circuitry that is configured to control the own apparatus to function as: a dispatcher that is communicably connected to an analysis target device that performs operational processing by use of a processor and a memory unit, and generates collection target data for reproducing at least part of a state of the operational processing in the analysis target device, in accordance with data being transmitted and received between the processor and the memory unit; a data mapper that assigns, to one or more areas included in the collection target data, tag information for identifying the area; and a data writer that saves the one or more areas into the first storage device in accordance with a first policy defining a procedure of saving the collection target data into the first storage device.

Analysis device, analysis method, and storage medium in which analysis program is recorded

Provided is a log information generation apparatus and the like that generates log information where log of communication via a communication network are arranged in communication occurrence order. A log information generation apparatus provides time information including a second time in an information processing apparatus to a difference calculation apparatus in accordance with communication start information transmitted to a plurality of information processing apparatuses communicably connecting to a communication network at a start of communication processing via the communication network, the difference calculation apparatus calculating a difference between a input first time and a reference time; and generates log information associating arranged time with a content of communication processing, the arranged time obtained by arranging a time of the communication processing based on the difference calculated for the second time by the difference calculation apparatus.

Information processing system, information processing method, and non-transitory recording medium

An information collection system for efficiently collecting target information from an enormous amount of contents in a variety of formats is provided. The information collection systemincludes a learning unitand an extraction unit. The learning unitgenerates, by using learning data, a parser rule for extracting a target character string from data, the target character string being a character string including specific information. The extraction unitextracts the target character string from data by using the parser rule.

Information collection system, information collection method, and recording medium

Provided is a process control device, etc. capable of more reliably maintaining the soundness of an information processing system with regard to cybersecurity. A processing control device calculates a sum of a value indicating a risk included in processing information that includes one or more processing executed on an information processing apparatus during a certain period; and restricts processing to the information processing apparatus when the calculated sum value for the processing information satisfies a predetermined restriction condition.

Processing control apparatus, processing control method, and non-transitory recoding medium

Provided is an analysis system configured to obtain an encryption key for encryption communication between an information communication apparatus and a communication network, from memory space provided in the information communication apparatus. The analysis system including a processing circuitry configured to function as: a memory acquisition unit that is configured to acquire at least part of data stored in a memory unit in an information communication apparatus including a computing unit and the memory unit; and a communication processing unit that is configured to determine whether key data including an encryption key used for encryption processing in a cryptographic communication protocol are stored in the memory unit, based on communication data transmitted and received in accordance with the cryptographic communication protocol between the information communication apparatus and a communication network, and instruct the memory acquisition unit to acquire data stored in the memory unit, based on the determination result.

Analysis system, analysis method, and storage medium

A category information generating apparatus generates a measurement identifier of a measured value with respect to measurement information where the measured value for communication and a resource identifier of an apparatus generating the measured value are associated; extracts, when the resource identifier in the measurement information satisfies a condition regarding the resource identifier in extracted information where a condition for the resource identifier, an extraction item representing an item extracted from the measurement information when the condition is satisfied, and an extracted information identifier of the extraction item are associated, a particular measured value associated with the resource identifier; reads a value representing an extraction item in the extracted information from the particular measured value; and generates category information where a measurement identifier representing the particular measured value, the extracted information identifier in the extracted information, and the read value are associated.

Generation of category information for measurement value

Provided is a communication network determination apparatus, etc. capable of correctly specifying a communication network which can be monitored by a monitoring device even when necessary and sufficient configuration information about the configuration of the communication network cannot be obtained. A communication network determination apparatus calculates a number of types of communication identifier associated with an apparatus identifier of a second information apparatus in monitoring information where a communication identifier allocated to a first information apparatus in a second communication network and an apparatus identifier of a second information apparatus that relays a communication in a first communication network, the monitoring information generated based on communication network via the first communication network; and determines that the first communication network is the same as the second communication network when the calculated number of types is one and determines that the first communication network is different from the second communication network, otherwise.

Communication network determination apparatus, communication network determination method, and recording medium having communication network determination program recorded therein

A software analysis device which efficiently analyzes a computer environment in which software is capable of running are provided. The software analysis device sets at least two configurations to a virtual machine, executes processing at a timing on individual configuration, determines whether or not results of the processing satisfy a predetermined criterion, and determines that the software is executed when the results satisfies the predetermined condition.

Growing community of inventors

Tokyo, Japan

Yuki Ashino