61results about How to "Improve security detection efficiency" patented technology

The invention provides a digital double-micro speckle measuring method for strain. The invention relates to the measuring method for the stress and the strain of a structure, in particular to the measuring method for the stain with application of the photoelectron technology. The CCD with a micro-lens is arranged on a fixed platform while two CCDs serve as a group in the invention; when in measuring, a speckle field is manufactured on the surface of the measured object and the speckle images of the measured object in the scale distance between two points before and after being loaded are collected by the double-CCD synchronously and then are operated by the related processing software after being transmitted into a PC machine, at last, the mechanics parameter of the measured object can be obtained. The invention has short detection period, low consumption of resources, low detection cost, good economic benefit, easy interpretation and convenient and wide application. Meanwhile, the method can be used for detecting and evaluating the safety performance of other large buildings, such as houses, large dams, etc.

The invention discloses a network security detecting method and device and relates to the field of big data. The network security detecting method includes generating a network state diagram in real time according network communication states; matching a predetermined feature sub diagram in the network state diagram, wherein the predetermined feature sub diagram is a state diagram when errors of the network communication states occur; determining abnormal events corresponding to the predetermined feature sub diagram when the matching goes successfully. According to the invention, the sub diagram corresponding to abnormal states can be searched in the network state diagram generated in real time by adopting an image matching method and whether an abnormal state occurs in the network can bedetermined. Compared with a traditional keyword based search method, the diagram matching technology is more suitable for complex-mode search on data having high relevance, so that network security detection efficiency can be improved greatly.

The application relates to a safety testing method, a safety testing device, a computer device and a storage medium. The method includes steps of receiving a current network access request, wherein the current network access request carries with a uniform resource positioning symbol and an access parameter; according to the uniform resource positioning symbol, acquiring a current code corresponding to the current network access request; inserting a probe function in the current code; when the current code is executed according to the access parameter, recording the executing order of a code sentence in the current code through the probe function, and acquiring the executing path of the current code; detecting if the executing path of the current code is consistent with the preset path; ifthe executing path is inconsistent to the preset path, confirming the safety flaw existed in the current code. By adopting the method, the detecting efficiency can be improved.

The invention relates to a system and a method for detecting a file in a virtual environment. The method comprises the steps of sending file data with a front preset number of bytes of a to-be-searched and killed file to a scanning server by a light agent client, wherein the light agent client is arranged in a virtual machine; determining the file type of the to-be-searched and killed file according to the file data with the front preset number of bytes, and indicating the light agent client to extract a specific fragment in the file data according to the file type; extracting and sending the specific fragment in the file data to the scanning server according to the indication by the light agent client; receiving the specific fragment by the scanning server, searching and killing the specific fragment, and feeding back a searching and killing result to the light agent client. According to the technical scheme, file detection in the virtual environment can be rapidly and efficiently realized, the safety detection efficiency is increased, and the resource occupation rate of a physical computer is reduced.

The invention discloses a grid dispatching monitoring early warning system and method. The system comprises a dispatching center server, the dispatching center server communicates with a server in each substation and also communicates with a cloud server, and the cloud server is used for generating a grid dispatching instruction from the received information based on a task dispatching algorithm of IGA and feeding back the generated grid dispatching instruction to the server of each substation by the dispatching center server to control the operation of the substation.

The invention provides a fault injection method and a fault injection device for password chips, and relates to the technical field of password chips. The method comprises the steps as follows: randomly selecting multiple fault injection related parameter particles from a fault injection related parameter set; injecting a fault to a password chip according to D fault injection related parameters in each D-dimension vector; updating each dimension of fault injection related parameter in each D-dimension vector using a speed parameter; injecting a fault to the password chip again after updating; monitoring the frequency of effective error output for fault injection of the password chip according to each D-dimension vector; and executing the steps repeatedly until the frequency corresponding to a first D-dimension vector of the D-dimension vectors is greater than or equal to a preset threshold, and determining the D fault injection related parameters in the first D-dimension vector as preferred fault injection related parameters. According to the invention, the problem that selection of the required parameters from the parameter set by means of exhaustion is inefficient and results in slow password chip detection is avoided.

The invention provides a virtual safety detecting method and a virtual safety detecting system. The method comprises the following steps that a light agent client acquires to-be-detected information and sends the to-be-detected information to a cache server through a network; the cache server judges whether corresponding relation between the to-be-detected information and a corresponding safety level of to-be-detected information exists or not; if the corresponding relation between the to-be-detected information and the corresponding safety level of to-be-detected information does not exist, the cache server sends the to-be-detected information to a checking server through the network to perform safety detection on the to-be-detected information; according to the detecting result of the checking server, the safety level of the to-be-detected information is determined; if the to-be-detected information and the corresponding safety level of to-be-detected information exists, according to the corresponding relation, the safety level of the to-be-detected information is determined, wherein the light agent client is installed in a virtual machine. The efficiency of safety detection is improved, and the resource occupation rate of a physical machine is reduced.

The invention discloses a distributed architecture-oriented micro-service contract management method and a device, computer equipment and a readable storage medium. The method comprises the steps of receiving a data packet from a code hosting platform; analyzing the received data packet, judging whether the data packet is a formal release version or a test version, and analyzing first contract information of the data packet through the data packet; directly publishing the data packet to a private server for the test version; traversing and querying all other contract information according to the analyzed first contract information of the formally published version of the data packet, obtaining a dependency relationship between the data packet and other packets, and adding the dependency relationship into the first contract information to form second contract information; and for the data packet of the formal version, sending the countersigning request to the associated parties according to the second contract information, and sending the data packet to the private server after receiving the information that all the associated parties agree to change.

The invention provides a method for detecting APP vulnerabilities of Android equipment based on a probe mechanism, which comprises the following steps: step 1, acquiring list information of APPs installed in equipment to be detected based on a binary probe program installed in the equipment to be detected; and 2, comparing the returned APP list information with data of a detected APP list libraryof the detection equipment by the detection equipment to obtain a detection result. According to the method and the system, APP vulnerability security detection for testing the Android equipment terminal can be automatically completed, and the detection report is generated, so that a user can know the health condition of APP software installed in the Android equipment terminal, and potential security threats of the Android equipment terminal can be discovered in advance.

The invention relates to the technical field of industrial Internet, and particularly to a safety detecting method and a safety detecting device based on an industrial Internet operation system. The method and the device are used for settling problems of relatively low industrial field safety and high field equipment controlling difficulty in prior art. The safety detecting method is advantageous in that based on various, heterogeneous and disperse operation data information which are acquired by a real-time database in the industrial field and a big data analysis mode of an industrial big data analysis platform, each safety detecting rule which corresponds with each set of field equipment is acquired; furthermore the safety detecting rule which corresponds with each set of field equipment is selected and forwarded to corresponding executing equipment, thereby realizing safety detection on each set of field equipment and ensuring controllability for safety of the industrial field. Based on a big data analysis manner, a full process which comprises industrial data acquisition, data analysis, data storage, data mining, data optimization and data safety is realized so that industrial field of each set of field equipment can operate in a reliable working environment.

The invention discloses an anti-fraud system for an account book based on the Internet of Things (IoT). The system comprises a main account book module, a mobile equipment terminal, a user terminal, and an anti-fraud module, wherein the main account book module is used for storing the latest updated business information, so that data support can be provided for business execution; the mobile equipment terminal is connected with the main account book module, and comprises a remote meter reading device which can send a business execution request to the main account book module, download a meterreading request from the main account book module and execute meter reading; the user terminal comprises a gas meter with a signal transceiving module, and the signal transceiving module can receive arequest signal transmitted by the remote meter reading device and send gas consumption conditions of a user to the remote meter reading device; and the anti-fraud module is connected with the mobileequipment terminal and the main account book module, and carries out anti-fraud processing according to the business execution request of the mobile equipment terminal, so that monitoring and anti-fraud analysis can be carried out on a business execution process. The anti-fraud system for the account book provided by the invention has the advantages that the meter reading by the mobile equipment terminal can be achieved, and anti-fraud evaluation on gas information can be carried out, so that high completeness and safety of the account book are guaranteed.

The invention relates to the technical field of a testing system, and in particular relates to a cloud computing-based food safety testing system which comprises an electronic monitor and a remote monitoring center, wherein the electronic monitor comprises a target tracking monitor and a data processor; signals monitored by the target tracking monitor and the data processor are sent into the remote monitoring center. The cloud computing-based food safety testing system is capable of monitoring the food safety from a long distance.

The invention provides technological safety testing device which is composed of a plurality of specialized adaption plugs C1, C2, ..., CN, a double-end adaption cable DL and specialized technological safety detecting equipment J. The technological safety testing device has advantages of settling a problem of matching connection between a tested object and testing equipment, improving speed and safety in a testing operation, furthermore preventing a problem of tedious technological safety testing process in carrying and using a plurality of sets of testing equipment, and further improving technological safety testing efficiency of the power distribution socket.

The embodiment of the invention discloses a protection detection method and device for a target object, equipment and a storage medium. The method comprises the steps that image information shot by acamera is acquired, a target object in the image information is determined, and whether a protection device related to the target object exists in the image information or not is judged; if it is determined that the protection device related to the target object exists in the image information, the actual distance between the target object and the protection device is determined, and whether the target object meets the protection requirement or not is detected through a preset safe distance threshold value; If the relative distance between the target object and the protection device is smallerthan or equal to the preset safety distance threshold, determining that the target object meets the protection requirement. According to the technical scheme provided by the embodiment of the invention, the automatic safety protection detection of the oiling machine is realized, the labor cost and the time cost are reduced, the safety detection efficiency of a gas station is improved, and the detection error rate is reduced.

The invention discloses a method for detecting systemic pesticide dimethoate residue. The method comprises the following steps: step a, crushing a sample to be detected to obtain a first sample; step b, adding a sodium salt solution and chloroform into the first sample, performing centrifugal treatment until the solution is obviously layered, and taking a chloroform phase solution to obtain a first sample solution; step c, blow-drying the first sample liquid to obtain a first substance to be detected; step d, adding diethylamine into the first substance to be detected, redissolving, adding an oxidizing agent, adjusting the temperature to 80 DEG C, standing to obtain a second sample solution, and blow-drying to obtain a second substance to be detected; step e, adding an ether organic solvent into the second substance to be detected, redissolving, slowly adding a buffer solution, adding an acetylcholin esterase reagent, and standing; step f, adding a substrate and a color developing agent, standing for 3 minutes, observing the color change of a lower layer after the solution is layered, shaking, standing, and observing the color change of the lower layer after the solution is layered; and step g, judging a result.

Embodiments of the invention disclose an abstract syntax tree analysis method and a computer program product. The method comprises the steps of obtaining a script to be analyzed and a compiling type of the script; selecting a target compiling component based on the compiling type; analyzing the script based on the target compiling component, and outputting an abstract syntax tree corresponding to the script; wherein the structure types of the abstract syntax trees output by the target compiling components corresponding to different compiling types are the same. According to the technical scheme, scripts written by various languages can be normalized into abstract syntax trees of the same type, and the adaptation efficiency and accuracy of the scripts can be improved.

The invention discloses a service flow detection method and device, a server and a storage medium, and the method comprises the steps: determining a plurality of safety detection equipment clusters of a service type based on the service type carried by a first service flow, and carrying out the detection of the service flow based on the cluster load of each safety detection equipment cluster, determining a sequence of processing the first service traffic by each security detection device cluster, determining a target security detection device in each security detection device cluster based on the service traffic attribute, further determining a forwarding path of the first service traffic, and forwarding the first service traffic to each security detection device in the forwarding path in sequence based on the forwarding path, and after security detection results returned by the security detection devices are received, sending the first service flow to the service processing node. By adopting the method and the device, the security detection equipment through which the service flow needs to pass can be flexibly selected, so that the security detection efficiency of the service flow is improved.

The invention discloses a mail security check method and device, computer equipment and a storage medium. The method comprises the following steps of: when a mail receiving and sending request is detected, obtaining an information carrier contained in the mail receiving and sending request, identifying the format of the information carrier; if a JPEG format exists, acquiring an information carriercorresponding to the JPEG format as a target carrier, and analyzing the target carrier to obtain parsed content; through a dual-probe mode, carrying out bidirectional detection on the parsed contentto determine real positions of a file header identifier and a file tail identifier contained in the parsed content; based on the real positions, determining steganography recognition results; and whenthe steganography recognition result shows that steganography exists, refusing the mail receiving and sending request, and sending the steganography recognition result to the management end. Whethersteganography exists or not is judged by obtaining the real positions of the file header identifier and/or the file tail identifier, so that pertinence is high, rapid steganography recognition is achieved, and the safety detection efficiency in the mail receiving and sending process is improved.

The invention discloses an ion exchange membrane fluid food quality detection method and belongs to the field of food quality detection technologies. The ion exchange membrane fluid food quality detection method includes the following steps of: fluid random sampling; solid impurity filtration; fluid food dilution; classified filtration; and chromatographic solution centrifugation: diluted fluid food which has been subjected to chromatography is centrifugated through a centrifuge, sectioned sampling is performed, a supernatant is taken so as to be subjected to component analysis and detection;and therefore, the rapid detection of fluid food can be realized, the complex process of the detection process of the fluid food can be simplified, the detection efficiency of food safety can be improved, a variety of heavy metals and harmful elements that threaten food safety can be detected in a detection process, some metal ions can be filtered out, and the impact of mutual interference betweenmetal ions on food safety detection can be decreased.

The invention belongs to the technical field of block chain security, and discloses a smart contract security detection method and system, equipment, a terminal and application, the smart contract security detection method comprises the following steps: using an open source code to train a word2vec model; packaging the open source code into an intelligent contract function according to an intelligent contract grammar; converting the packaged function into an abstract syntax tree, and extracting data flow and control flow information; converting data flow and control flow information of the smart contract into a graph model; using a trained word2vec model to convert the graph nodes into vectors; training the graph model by using a graph neural network; reading all node information, and converting the intelligent contract function graph model into vectors; and judging whether the function vector contains the intelligent contract vulnerability information or not by using the classification model. According to the invention, the security detection efficiency of the smart contract is improved, and a good effect is achieved.

The invention discloses a high-flux multi-card food safety detection equipment sample injection device which comprises a sample injection turntable and a sample injection tray in sliding fit with a host; the sample injection turntable is rotatably connected with the sample injection tray through a rotating shaft; a stepping motor capable of driving the sample injection turntable to rotate is arranged on the sample injection tray; a plurality of alignment grooves are formed in the top surface of the sample injection turntable; alignment bulges in one-to-one correspondence with the alignment grooves are arranged on the bottom surface of the sample injection turntable, and and the alignment bulges can be clamped with the corresponding alignment grooves; a photoelectric controller is further arranged on the sample injection tray, a light blocking plate is fixedly arranged on the bottom surface of the sample injection turntable, and the light blocking plate can block the photoelectric controller when the sample injection turntable rotates; and the photoelectric controller and the stepping motor are electrically connected with a program control module respectively. The high-flux multi-card food safety detection equipment sample injection device has the advantage that the food safety detection efficiency is improved.