19 results about "Network security" patented technology

The invention discloses a method and a system for third party application interface authorization. The method includes that a third party generates a third-party ciphertext according to distributed authentication information, generates a user identity ciphertext according to user information input by a user, initiates an interface request to an open platform and transmits the third-party ciphertext and the user identity ciphertext, and the open platform verifies the third-party ciphertext and the user identity ciphertext and authorizes an interface to the third party when the verification result is verified to pass. By the method and the system for third party application interface authorization, multi-verification can be realized, and network safety is further improved.

This invention relates to computer science information technique, mobile communication, software and hardware technique of mobile phone, Internet application/ID validation, network security, and computer network principle and application. In e-bank, on-line pay and on-line work, to prevent stealing user name and password as well as the alternative attack, the USB Key and other techniques have more or less defect; This invention stores user security data (key and certificate) in mobile phone, applies phone calculation and communication ability to expands user and PC security performance as well as the security of PC access to application system.

The invention relates to the technical field of network security, and discloses a malicious behavior detection method, user equipment, a storage medium and a device. The method comprises the steps ofobtaining to-be-detected flow; extracting each traffic feature corresponding to each preset feature type from the traffic to be detected, wherein the preset feature type is a feature type corresponding to a malicious file downloading behavior; and performing malicious file downloading behavior detection on the flow characteristics through a preset behavior detection model. Obviously, a multi-dimensional preset feature type is preset; whether the file downloading behavior contained in the flow to be monitored is the malicious file downloading behavior or not is analyzed through the determined preset feature type, the detection accuracy of detecting the malicious file downloading behavior is improved, and the technical problem that the malicious file downloading behavior cannot be accuratelydetected is solved.

The invention belongs to the technical field of computer network security, and particularly relates to a fuzzy test system and terminal equipment. The fuzzy test system provided by the embodiment of the invention can comprise a core fuzzy test engine, an exception detection engine and an exception report engine, wherein the core fuzzy test engine is used for generating a test vector input into a target test object; wherein the exception detection engine is used for detecting undefined and potential unsafe behaviors of the target test object; and the exception reporting engine is used for reporting all information related to the target test object when the target test object is exceptional. Compared with an existing fuzzy test which is only suitable for finding specific weaknesses in a specific tested system, the fuzzy test system provided by the invention has wider applicability.

Systems and methods for managing a host name resolution file by a client security manager are provided. In one embodiment, a client security manager acquires a remote host name resolution file maintained by a remote server or a network security appliance and imports the remote host name resolution file into a local host name resolution file of the client computer system. The local host name resolution file is used for resolving host names to internet protocol (IP) addresses on the client computer system.

The invention belongs to the technical field of information security of an industrial control system, and particularly relates to an industrial control system information security implementation method based on an FPGA virtual DCS. The method comprises the following steps of 1, according to the requirements of a virtual DCS application, all algorithm block and function blocks are realized by an FPGA chipset and become an entity large-scale digital logic circuit set; 2, a virtual DCS on the FPGA chip and a real DCS performs computation synchronously in parallel; 3, it is determined whether theoperation result of the virtual DCS on the FPGA chip and the operation result of the real DCS control system are consistent, it is determined that the system is not secure if not, and it is determinedthe system is secure if so. The method provided by the present invention can determine whether the system is safe according to a correct control logic operation result of the virtual DCS not subjectto the network security threat.

The invention discloses an industrial control safety auditing system and method based on artificial intelligence. The system comprises a safety auditing terminal, a central control terminal and an artificial intelligence learning terminal. According to the invention, the security auditing terminal is arranged to monitor and record the network state, the intrusion behavior and the operation recordrespectively; loopholes and malicious attacks are protected in real time, and when a high-risk security condition occurs, data storage and service interruption are carried out immediately, and an alarm is given; the security of the industrial control network is improved, so that the industrial control network meets the industry compliance auditing requirement; by arranging the central control terminal, operation behaviors in an industrial control network and auditing services of the industrial control network are comprehensively recorded in detail, auditing data are safely reserved, and an information transmission function between the safety auditing terminal and the artificial intelligence learning terminal is achieved; and by arranging the artificial intelligence learning terminal, new security risks are found in time through the industrial control network learning module and the flow behavior learning module of deep learning analysis, and data support is provided for investigation and evidence collection of network security accidents.

The invention particularly relates to a model evaluation method based on deep counterfeit video detection. The method comprises the following steps: s100, importing a model to be scored; s200, randomly selecting a specified number of samples from a video sample library to obtain a sample set, wherein videos and authenticity marks of the videos are stored in the video sample library; s300, inputting the sample set into a to-be-scored model for authenticity identification; s400, comparing the identification result with the actual authenticity of the sample to obtain a measured value P1 of a specified scoring index of the to-be-scored model; and s500, performing automatic scoring according to the measurement value P1 to obtain a score of the to-be-scored model, and outputting the score. According to the invention, a high-value detection model can be screened out and incorporated into a professional deep detection defense system, so that the deep detection defense system is constructed, and a network security defense line is created and consolidated; in addition, continuous forward development of a deep counterfeit detection model technology can be promoted, deep counterfeit model research and development personnel are attracted to participate in continuous improvement of a video sample library, and a virtuous circle is achieved.

The invention discloses an efficient keyword filtering method for FPGA (Field Programmable Gate Array) implementation, and belongs to the technical field of network security. According to the method, a keyword set is preprocessed, rapid matching can be carried out by adopting a method for carrying out hash calculation on keywords and to-be-searched data, the parallel capability of an FPGA is fully utilized, a parallel search engine is realized on the FPGA, rapid keyword search with a certain false alarm rate is carried out, and according to a feedback result searched by the FPGA, the keyword set can be quickly matched with the to-be-searched data. According to the technical scheme, accurate keyword matching searching is carried out without storing keywords on the FPGA, the parallel searching capability of FPGA hardware can be fully utilized, the characteristic that the host and the FPGA are large in off-chip storage capacity can also be utilized, the overall processing performance can reach 40 Gbps or above, and the method has the advantages of being high in searching speed, small in space consumption, free of storing the keywords and the like.

The invention discloses a Wifi processing method and display equipment, which are used for avoiding the problem that Wifi is not connected back after the display equipment is abnormally restarted, andimproving the user experience and satisfaction. The method comprises the following steps: when a Wifi hourly scanning function is closed and display equipment is abnormally restarted and started, starting a communication process of a wireless local area network driver; and when the communication process of the wireless local area network driver is started, if a Wifi network security access daemonprocess exists, closing the Wifi network security access daemon process.

The invention discloses a computer network safety monitoring device, which comprises a host box. A hard disk placement groove is arranged on the side of the host box, and the groove cover is rotatablyarranged on the upper end of the hard disk placement groove through a pin shaft. A fingerprint lock is arranged on the groove cover; A fingerprint collector, an A/D converter, a single chip microcomputer, an alarm device and a storage battery are arranged in the host box. And the output end of the ripple collector is electrically connected with the input end of the A/D converter. The fingerprintlock is electrically connected with the input end of the fingerprint collector. The A/D converter and the output end of the battery are electrically connected with the input end of the single-chip microcomputer respectively, and the output end of the single-chip microcomputer is electrically connected with the input end of the alarm device. The single chip microcomputer is provided with a wirelesstransmitter. The computer network safety monitoring device adopts a hard disk placing groove which is arranged on the side of a host box, and a fingerprint lock is arranged on the groove cover; Effective protection of the hard disk security, prevent loss; The utility model has strong practicability and is easy to popularize and use.