13results about How to "Guarantee information security" patented technology

The invention provides an innovative host security assessment method and system based on a smart grid distribution master station. According to the method, the importance, the sensitivity and the security protection level of a current host in a distribution network master station are comprehensively evaluated, a judgment matrix is constructed by applying an analytic hierarchy process, an asset importance value and a vulnerability influence value are accurately calculated, and a plurality of security state factors are comprehensively considered, so that the security of the host is scientifically evaluated. According to the evaluation result, the system can intelligently judge the risk type and implement reasonable communication blocking, so that the safety and the stability of the intelligent power grid power distribution master station are effectively improved. The method has the beneficial effects that a scientific basis is provided for safety management of the intelligent power grid, a complex evaluation process is simplified, the accuracy and rationality of an evaluation result are ensured, and the method has important significance for ensuring stable operation and information safety of the intelligent power grid.

The invention provides an image auditing method, device and equipment and a computer readable medium, and the method comprises the steps: carrying out the character detection of a to-be-audited image through calling a character detection model, cutting the to-be-audited image according to the detected characters, obtaining at least one character image, and carrying out the cutting of the to-be-audited image according to each character image, performing multi-dimensional feature detection on the character image, selecting a corresponding special text recognition model to perform text recognition on the character image according to a feature detection result to obtain a text recognition result, and performing violation judgment according to all the text recognition results corresponding to the to-be-audited image to obtain a violation judgment result. According to the method and the device, the to-be-audited image which is judged to be illegal is processed according to the preset illegal image processing rule, so that an image auditing solution which is high in automation degree, high in accuracy and high in processing speed is provided, the burden of manual auditing can be greatly reduced, and the accuracy and the efficiency of content auditing are improved.

The invention relates to the technical field of information security, in particular to a real-name authentication method for a global quantum security encryption machine. According to the scheme of the invention, real-name binding is carried out on the user and the client device thereof and the quantum security encryption machine based on the quantum security CA certificate, and each user and device are ensured to have a unique and unforgeable identity label, so that unauthorized access is effectively prevented, and the system security is improved. And meanwhile, through a periodic verification mechanism, the identity can be confirmed regularly after the equipment is accessed, illegal use and potential security threats are avoided, and the user information security is further guaranteed. Besides, a Toeplitz matrix is utilized to calculate a hash value, so that the hash value generated each time depends on a random number S and an irreducible polynomial P provided by the quantum security encryption machine, and high randomness and variability are ensured, thereby greatly reducing the risk that a pretending user and equipment send real-name access confirmation to the quantum security encryption machine, and enhancing the overall security.

The invention provides a distributed VDES system-level test platform and method, the system takes IEC 62320-1-2015 and other international standards as the basis, takes a computer as the core, and controls a high-performance test and signal generation instrument and environment auxiliary test equipment to execute corresponding actions according to the requirements of test detection software through a switch, a serial port and other communication interfaces; various parameters are measured according to process requirements of test detection software embedded in a computer, automatic execution and control of the whole calibration process are completed, program control switching of a high-performance test and signal generation instrument and environment auxiliary test equipment is achieved, recording and storage of calibration data are completed, and test results of all detection items are calculated.

The application relates to the field of video applications, and provides a video desensitization method and device, electronic equipment and a computer program product. The method comprises the following steps: acquiring video data, identifying a human hand region based on the video data, obtaining N gesture recognition results and M hand contact article recognition results, determining a sensitive region and a target sensitive level according to the N gesture recognition results and the M hand contact article recognition results, and performing desensitization processing on the video data according to the sensitive region and the target sensitive level. The video desensitization method provided in the embodiment of the application can solve the technical problem that a hand contact article or hand operation of a photographed person cannot be desensitized, personal information of the photographed person is easily leaked, and the personal information safety of the photographed person is improved.

The invention relates to the technical field of information security, in particular to a global quantum security protection network system. According to the scheme, the quantum security service system is adopted and comprises the quantum security server, the access base station and the key center, so that quantum encryption and decryption processing of the service data is realized, the security of data transmission is effectively improved, data leakage and tampering are prevented, and the information security of a network system is guaranteed. The provincial center serves as a main machine room and is responsible for receiving data reports of gateway network elements of the city and managing the data reports, the backup center receives data backups of the provincial center, a data backup special line and a multiplexing line are adopted, and stability and reliability of data backup are ensured. City client systems can access the network management system of the provincial center through remote browsing, so that the service interaction between clients and the provincial center is facilitated, and the service processing efficiency is improved.

This application provides an anti-tamper device and a communication device. The anti-tamper device is installed in the communication device and includes: a vulnerable unit, the first end of which is fixed inside the casing of the communication device. The vulnerable unit includes multiple lines, some of which are in a conductive state and others are in a disconnected state; a pull-up module, which is coupled to the first end of each line, and the coupling point between the pull-up module and each line is connected to the controller of the communication device. The pull-up module is powered by the communication device, and the second end of each line is grounded. When the communication device is disassembled, all the lines in the vulnerable unit are disconnected, and the controller receives an electrical signal indicating that the communication device has been disassembled. By using the random on / off states of multiple lines, the device is determined to have been disassembled. After the device is disassembled, all the lines are disconnected, making it impossible to determine the original state of the lines, thereby achieving the anti-tamper function.

The invention relates to a personal file protection method for a measuring instrument capable of installing script software, which comprises the following steps of: receiving a first function selection instruction, and copying first script software corresponding to the first function selection instruction in a system manager folder to a preset user folder; logging in with a preset user identity, and executing the first script software in the preset user folder with the preset user identity, the first user identity being unable to access the system manager folder; after the first script software in the preset user folder is executed, the first user identity is logged out, and the first script software in the user folder is deleted, so that it is ensured that the first user identity has a record of executing the first script software, and the privacy of the user using the personal file is protected.

The invention provides an object risk evaluation method and a training method and device of an object risk evaluation model, which can be applied to the fields of Internet technology, artificial intelligence technology, big data technology, information security technology and finance. The object risk evaluation method comprises the following steps: in response to a received object risk evaluation request, obtaining static object risk information and dynamic object risk information corresponding to a to-be-evaluated object identifier according to the to-be-evaluated object identifier in the object risk evaluation request; in response to matching of the dynamic object risk information and a preset rule, determining a preset weight corresponding to the preset rule; respectively processing the static object risk information and the dynamic object risk information to obtain object risk characteristics; determining an object risk evaluation value according to a preset weight and the object risk feature; and determining an object risk evaluation result corresponding to the to-be-evaluated object identifier according to the object risk evaluation value.

The invention provides an anti-quantum communication method and device for a subscriber identity module and a service provider. The method comprises the following steps: a user identification module and a certificate provider carry out secure access service bidirectional authentication based on respective certificates; based on a number theory research group encryption algorithm, performing session bidirectional authentication on a certificate provider and a service provider based on respective certificates; based on a number theory research group encryption algorithm, bidirectional authentication is carried out on a service provider and a mobile network operator based on respective certificates; the mobile network operator encrypts the session key obtained by bidirectional authentication with the service provider by using an advanced encryption standard encryption algorithm, and then sends the encrypted session key to the user identification module, so that the user identification module registers with the service provider; and the user identification module encrypts the to-be-transmitted data by using the session key and sends the to-be-transmitted data to the service provider, so that the service provider decrypts the received encrypted to-be-transmitted data according to the session key to obtain the to-be-transmitted data. The security of data communication can be improved.

This application discloses a data processing method, apparatus, device, storage medium, and program product, relating to the field of data processing technology. The method includes generating a privacy vector and a public key vector based on anonymity query rule data and public parameters, where the public parameters are jointly determined by the data queryer and the data provider; sending an anonymity request to the data provider, the anonymity request carrying the public key vector, the anonymity request being used by the data provider to generate a secret vector and a secret number, the secret vector being a vector in which the data provider encrypts and hides the entire original data using a random mask and an error vector, and the secret number being a secret number associated with the public key vector and the random mask, encrypted and hidden using random error; receiving data feedback information sent by the data provider, the data feedback information including the secret vector and the secret number; and determining the request result corresponding to the anonymity request from the data feedback information based on the privacy vector. This approach can resist quantum computing attacks and prevent data leakage.

Multiple embodiments of the present specification relate to the field of information technology, and specifically to a network anti-telecom fraud system and its anti-fraud method. The system includes: a server and a user end, the user end includes a data collection module, a local comparison module, a feature extraction module and a network comparison module, the data collection module collects the usage data of the handheld device, the local comparison module compares the reference behavior with the reference behavior once, if the first comparison is consistent, the operation content is compared with the reference content for a second time, if the second comparison is consistent, a risk warning is issued and the preset first disposal measure is initiated, the feature extraction module extracts the data features of the operation content and uploads it to the server, if the first comparison is inconsistent, the server feeds back the fraud risk identification result to the user end, the user end compares the operation content with the reference library, if the comparison is consistent, a risk warning is issued and the preset second disposal measure is initiated.