203results about How to "Improve the level of security protection" patented technology

The invention discloses an asset dependence relation-based information security risk evaluation method and system. The method comprises the following steps of acquiring an asset range in a to-be-evaluated information system, and dividing the asset into blocks; identifying threats, vulnerability and asset significance of the to-be-evaluated information system, and acquiring significance value of the asset, threat value of the threat, and a vulnerability value of the vulnerability; calculating to build a security dependence relation matrix of assets by using a dependence structure matrix, determining a risk conduction coefficient of the assets by using a Delphi method and building a risk conduction relation; and calculating interior risk value and an exterior risk value of each block and overall risk value of the to-be-evaluated information system according to the risk conduction relation and asset significance, threat value and vulnerability value. The method can acquire a weak link ofthe system more accurately, and acquire more reliable information security risk evaluation results.

The invention relates to a resin-formed flexible puncture-proof fabric and a preparation method of the resin-formed flexible puncture-proof fabric. The fabric consists of garment fabric and thermosetting resin condensates, wherein a gap exists between the thermosetting resin condensates. The preparation method comprises the following steps of: uniformly dispersing the thermosetting resin in each mesh of a screen plate so that each mesh is filled with resin; scraping residual resin on the surface of the screen plate; spreading the garment fabric on the screen plate filled with resin; applying pressure to the garment fabric, and drying; solidifying the thermosetting resin condensate on the surface of the garment fabric; and finally removing the thermosetting resin condensate from the screen plate to obtain the resin-formed flexible puncture-proof fabric. According to the invention, the thermosetting resin is a good binder before solidification, has a good binding effect with the garment fabric and relatively high strength and hardness after solidification, and can resist the puncture of a conventional tool needle tube; and the shortcomings and defects of the prior art are overcome, and the needs of the military field and civil field are met.

The invention belongs to the technical field of industrial control system terminal safety protection, and particularly relates to an industrial control system terminal safety protection method. The method is implemented based on an industrial control system terminal safety protection system, and the system comprises terminal safety protection equipment and a terminal safety centralized managementsystem. According to the scheme, a series of technical means of strong identity authentication, dual access control, an interface protection strategy, file deep analysis, security audit and equipmentcentralized management are comprehensively applied; malicious behaviors such as network attack and illegal access in operation of industrial control system equipment are effectively blocked, and centralized configuration and management of security protection strategies of a plurality of industrial control system equipment terminals of the same type or different types are realized at the same time.The scheme has the advantages that the safety protection level of the industrial control equipment terminal is high, centralized and unified management of multiple pieces of equipment is supported, and the centralized management platform is suitable for multiple application environments and multiple industrial protocols, good in compatibility, flexible in protection strategy configuration, efficient in alarm reporting and equipment management and the like.

The invention discloses a fluorescent inflaming-retarding multifunctional double-layer fabric. The surface layer of the fabric is woven from inflaming-retarding yarn capable of being dyed with fluorescence color, and the inner layer of the fabric is woven from non-melting inflaming-retarding yarn incapable of being dyed with fluorescence color. The warps of the inner layer are lifted to be interwoven with the wefts of the surface layer to form a binding texture so that the two layers can be connected. The fabric is prepared in the way that the warps of the inner layer are lifted to be interwoven with the wefts of the surface layer to form the binding texture so that the two layers can be connected, and then dyeing treatment is conducted to generate the fluorescent inflaming-retarding multifunctional double-layer fabric. Specifically, the two layers of the fabric are connected in the way that when surface wefts are put in for surface layer weaving, all inner warps must sink to the space below a shed and can not be interwoven with surface wefts; when inner wefts are put in for inner layer weaving, all surface warps must be lifted and can not be interwoven with inner wefts. The double-layer fabric can have different spaces and can be used for making protection garments in a plurality of fields.

The invention discloses a method and a system of controlling access behaviors of client network. The method comprises the following steps: a step of detecting client sandbox, capturing system abnormal behaviors caused by visiting malicious network done by the clients, analyzing the system abnormal behaviors, generating a corresponding analysis report and sending the analysis report to a security gateway; a step of receiving the analysis report by the security gateway, choosing a strategy used for dealing with the system abnormal behaviors; a step of controlling the network-visiting behaviors of the clients according to the dealing strategy. The method has the advantages of common protection to the network-visiting behaviors of the clients by the combination of the client sandbox and the security gateway so as to improve safety protection degree of client visiting the network, meanwhile, when the clients visit the network, transparency of network safety state is improved.

The invention discloses a universal type automatic-butt-joint charging apparatus applicable to an indoor mobile robot, and belongs to the technical field of a robot. The universal type automatic-butt-joint charging apparatus comprises a fixed charging station and an automatic charging accessory mounted on the mobile robot, wherein the fixed charging station comprises a charging butt-joint system, a control system, a wireless communication module A, a butt-joint state detection system and a power supply system; and the automatic charging accessory comprises a battery electric quantity monitoring module, a wireless communication module B and a charging base. After the automatic charging accessory is connected with the control system and a charging battery system of the mobile robot, automatic-butt-joint charging is realized by executing the respective programs at the mobile robot end and the fixed charging station end; the charging butt-joint system can realize butt jointing/separating actions with the charging base through an electric push rod in movement of single degree of freedom; and the butt-joint state detection system judges the state of the butt-joint system through voltage detection.

The invention belongs to the technical field of network security, and discloses a mimicry switch decision system based on trusted measurement, and the system comprises a forwarding plane, a managementinterface agent, an intermediate adaptation module, a forwarding plane agent, a plurality of heterogeneous actuators, a trusted measurement-based mimicry decision module and a situation awareness andnegative feedback scheduling module. The invention further discloses a mimicry switch judgment method based on trusted measurement. The mimicry switch judgment method comprises the steps: setting mimicry switch judgment elements; distributing input information; collecting output information; carrying out mimicry decision based on credibility measurement; issuing a judgment result, sensing the threat situation of the switch, and scheduling an executor; the mimicry decision based on credibility measurement comprises the following steps: establishing an executive credible index tree; collectingand updating the credible index data of the executive body; calculating the credible weight of the output result of each executive body; and calculating the credibility of each output result. The method can effectively reduce the influence of unknown loopholes and potential backdoors, and improves the safety protection level of a local area network.

A full-face intelligent fire fighting helmet comprises a helmet main body and transparent goggles positioned in the middle of the front face of the helmet main body; a thermal imaging camera and a low-light-level night vision camera are disposed over the goggles side by side, the thermal imaging camera and the low-light-level night vision camera are embedded into the helmet main body, a row of laser light-compensating lamps are disposed over the thermal imaging camera and the low-light-level night vision camera, and the laser light-compensating lamps are also embedded into the helmet main body; an upper portion of the inside of the goggles is provided with a display used when fire scene ambient conditions cannot be seen clearly in the view, temperature T degree distribution of the fire scene can be displayed, and display information can be transmitted to a background command vehicle system timely; and a lower portion of the inside of the goggles is provided with a respirator, the respirator is connected with an external breathe supply system, and a hands-free communication system for ensuring clear communication between fire fighters and between the fire fighter and a superior is disposed below the respirator side in the goggles. The helmet is high in safety protection degree and maximum service temperature, long in service lifetime, small in size, light in weight and easy to handle, and can continuously work for a long time.

The invention provides a keyboard safe protecting method of a payment terminal. Two sets of independent safe network detection signals are output through a safe processor of the payment terminal in a driving mode, the signals pass through two sets of safe network detection contacts on the periphery of a keyboard PCB, two sets of the same corresponding safe network detection contacts on a dome FPC protecting film and two layers of corresponding network cables, and constitute an access through extrusion of a limiting column in a matched mode, the two sets of safe network detection contacts on the periphery of the keyboard PCB are arranged in a crossed mode, and the two sets of the same corresponding safe network detection contacts on the dome FPC protecting film are arranged in a crossed mode, the detection signals are fed back to a safe detection input circuit of the safe processor, and therefore safety of a keyboard is guaranteed through cross interlocking of the safe detection signals. The invention further provides a keyboard safe protecting device of the payment terminal, a safe protection mechanism of cross interlocking can be achieved, equipment is safer by means of safe network detection and safe switch detection, and the keyboard safe protection grade of the payment terminal is improved.

The invention belongs to the technical field of safety protection of industrial control system terminals and particularly relates to an industrial control system terminal safety protection system. Theindustrial control system terminal safety protection system comprises a terminal safety protection device and a terminal safety centralized management system. According to the scheme, a series of technological means of strong identity authentication, double access control, an interface protection strategy, file depth analysis, safety audit and equipment centralized management are comprehensivelyapplied, so that malicious behaviors such as network attack, illegal access and the like during operation of the industrial control system equipment are effectively blocked, and meanwhile, centralizedconfiguration and management on safety protection strategies of a plurality of industrial control system equipment terminals of the same type or different types can be realized. The scheme has the advantages that the safety protection level of the industrial control equipment terminal is high, the centralized and unified management of multiple equipment is supported, the centralized management platform is suitable for various application environments and multiple industrial protocols, the compatibility is good, adding and deleting of the equipment is simple, configuration of the protection strategies is flexible, alarm reporting and equipment management are efficient, and the like.

The invention discloses a cabinet type device door lock system and a control method of the cabinet type device door lock system. The system comprises a logic unit, and a connecting rod type mechanical door lock, an electromagnetic lock and a sensor A, which are arranged on a cabinet type device door, wherein the electromagnetic lock, the sensor and voltage signals of a device in a cabinet are respectively in signal connection with the logic unit; a lock piece of the electromagnetic lock is matched with a fixing piece of a locking structure on a lock rod of the mechanical door lock, and the locking piece and the locking structure are matched to realize the locking to the mechanical door lock due to the electromagnetic lock at the position where the mechanical lock locks the cabinet type device door; the method is realized based on the cabinet type device door lock system, and the logic unit receives locking signals of the mechanical lock of the sensor A, sends electrifying signals to the device in the cabinet after receiving all door-closing signals and controls the locking of the electromagnetic lock; and when the device in the cabinet is in power down, the voltage signals of the device in the cabinet are transmitted to the logic unit, and the logic unit controls the unlocking of the electromagnetic lock. According to the invention, the power down of the device in the cabinet after the cabinet door is unlocked is ensured, and the safety of the maintenance personnel can be ensured.

The invention relates to a method and a device for safely interacting on-site operation and maintenance data, comprising the following steps: an operation and maintenance tool sends request information to complete identity authentication with a power distribution terminal and a master station; generating a digital certificate application file of the distribution terminal before the distribution terminal is put into operation on site, importing a formal digital certificate stored in an operation and maintenance tool into the distribution terminal, and performing remote interaction of the fieldoperation and maintenance data; when the distribution terminal is out of service, the symmetric key of the distribution terminal is updated, and the test digital certificate stored in the operation and maintenance tool is imported into the distribution terminal. This scheme improves the management flow of digital certificate and symmetric key, and makes up for the security loopholes in the operation and maintenance process of distribution terminals, so as to improve the security protection level of field application and operation and maintenance of distribution terminals.

The invention provides a security protection method and device for an Android platform application and a storage medium. The method comprises the following steps: an encryption step: decompiling an obtained apk, and encrypting the obtained apk to obtain an encrypted apk; a loading step: decrypting the encrypted apk in a customized system loading engine and then installing the encrypted apk; and arunning step: running the installed decrypted apk in a customized system running engine. According to the invention, resources are confused; encrypting the dex files respectively; so file, the resource file and the like are repackaged to obtain an encrypted apk; Safety is higher, the safety protection level of the application is improved. The released application does not contain a decryption code. The decryption code is written in a customized Android system. A cracker wants to crack the source program and must perform reverse analysis on the encrypted application and the customized Android system at the same time, so that the cracking difficulty is greatly increased, and meanwhile, as the program is decrypted by the customized Android system instead of self-decryption of the program, theoperation efficiency of the application is improved.

The invention belongs to the field of pipeline gallery tour inspection, and specifically relates to a comprehensive pipe gallery intelligent tour inspection system. The system comprises an environmentand equipment monitoring sub-system, a security protection sub-system, and a communication subsystem, the environment and equipment monitoring subsystem comprises an intelligent robot tour inspectionmodule and a wireless environment monitoring module, the security protection subsystem comprises a pipeline gallery structure security monitoring module, and the communication subsystem comprises a BIM & GIS visualization module and a personnel positioning and data roaming module. According to the comprehensive pipe gallery intelligent tour inspection system, comprehensive informatization management of underground comprehensive pipeline galleries is realized, an intelligent, high-efficiency and stable information service comprehensive platform is provided for detection and emergency command of the comprehensive pipeline galleries, and the security protection level of the comprehensive pipe galleries is improved.

The invention relates to a kerf-valving external water-cooled type electromagnetic soft contact continuous casing crystallizer, comprising a kerf copper pipe (1), an upper-section inner water jacket (3), a lower-section inner water jacket (2), an electromagnetic induction coil (4), a shell (8), an upper flange (9) and a lower flange (10), wherein the shell (8), the upper flange (9) and the lower flange (10) constitute a crystallizer assembly structure; the upper-section inner water jacket is made of engineering plastics and is sleeved in the electromagnetic induction coil; a groove (12) is machined on the outer wall of the outer wall surface of the kerf copper pipe along each kerf (5); a high-temperature resisting insulation sheet (11) is inserted into each kerf; bonding glue (120) is coated and filled in the groove; the edge of the inserted tail end of the insulation sheet slightly protrudes out of the bottom plane of the groove; and the high-temperature resisting insulation sheets and the serf copper pipe are fixed by the binding glue. A top rib sealing bar (8) which aims at each kerf is arranged between the outer wall of the kerf copper pipe and the upper-section inner water jacket. The invention has the advantages of strong electromagnetic permeability and safe and reliable cooling water path.

The invention provides a Linux password management method, which is applied to a central control computer. The method comprises the following steps: based on a secure shell SSH protocol, the SSH public key of an SSH public-private key pair is used for managing each Linux server; the SSH public key of the SSH public-private key pair is used for managing the Linux server. When receiving the passwordmodification instruction corresponding to the target Linux server, a random password is generated based on the preset password generation rule. Logging on the target Linux server based on the SSH private key in the SSH public-private key pair, and modifying the current password of the target Linux server to the random password; The random cipher is encrypted according to a preset asymmetric encryption algorithm, and the cipher cipher text obtained by encrypting the random cipher is stored in a preset database. The invention also provides a central control computer and a readable storage medium. The invention solves the technical problems that the password inquiry or modification is easy to make mistakes and the password security is poor in the prior Linux password management mode based onthe unified record file.

The invention provides an application programming interface (API) protection method and device. The method comprises the following steps: S1, receiving a first access request on an application program side, wherein the first access request includes information of an interface function of the application program request; S2, calling the interface function corresponding to the first access request based on the first access request, and sending a second access request encrypted by a first key to a system kernel during running of the interface function, wherein the second access request includes kernel data needed for executing the interface function; S3, receiving return information which is encrypted by a second key, includes the kernel data and is returned from the system kernel. By adopting the API protection method and device, higher anti-decoding performance and higher safety are achieved.