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Wireless Networks Security Flaws and Hacking Avenues of Attacks
Get PDFAn access point offers wireless networking to several wireless client nodes in the shared medium when using IEEE 802.11 wireless local area networks in infrastructure mode. The related nodes could be at risk of security attacks. In the field of cybersecurity, it is not sufficient to identify vulnerable points; rather, the difficulty lies in learning how hackers can take advantage of weak points to take countermeasures. This research paper simulates some of the risks caused by an attacker when connecting to an AP, as well as the risks of connecting to open Internet networks in public places, the importance of not using them to transfer personal data, and the need to raise awareness of the importance of protecting wireless networks. The Bettercap tool from the Kali Lunix operating system was used to simulate Address Resolution Protoco (ARP) spoofing attack, Secure Sockets Layer (SSL) Stripping attack, Domain Name System (DNS) spoofing attack, and Denial of Service (DoS) attack, which are based on Man in the Middle (MITM) attacks.
A Technique for Retinal Detachment Detection Manipulating YOLOv8 Models
Get PDFA retinal detachment is a serious condition resulting in the retina detaching from its support layers, which are just beneath it. If untreated, this can cause blindness. To detect the classes of retinal detachment in various images, this paper introduces a novel method employing deep learning techniques involving the YOLOv8 algorithm. Notably, this marks the first use of the YOLOv8 model for retinal detachment detection. Retinal detachment can be identified with high precision using images obtained from Optical Coherence Tomography (OCT). The proposed work assesses the performance of these models using metrics such as mAP50, recall, and precision by training five YOLOv8 models: YOLOv8n, YOLOv8s, YOLOv8m, YOLOv8l, and YOLOv8x. Among these, the YOLOv8s model had the best performance with a mAP50 of 0.985, a recall of 0.97, and a precision of 0.968. The other models had the following mAP scores: YOLOv8n (0.949), YOLOv8m (0.906), YOLOv8l (0.889), and YOLOv8x (0.907). This demonstrates that the proposed system works effectively in detecting retinal detachment, resulting in highly accurate results mined from complex medical data sets and imaging, thereby making it an important tool in medicine
Study the impact of different annealing temperatures on synthetic Title: properties, surface topography, and optical properties of compounds (50% ZnO: 50% CdO) prepared by chemical deposition method
Get PDF Studying on the structural properties, surface topography of compounds (ZnO 50%) and (CdO 50%) nanoparticles prepared by the method of chemical deposition, Before and after annealing at (600?) . Thin films with the same weight ratios were also prepared and deposited by the method of rotational coating and indicating them at different temperatures and the (600?, 400?, 200?) extent of their impact on On optical properties. The results of the X-ray diffraction showed (XRD) that all the results are of hexagonal crystal structure, and the topography of the surface was studied with the scanning electron microscope technique (SEM) and the impact of the annealing time on the loss of atomic weights of the chemical elements used in preparing the samples according to the technique (EDAX), or from the visual results, the value of the energy gap appeared if it appeared (3.614 eV) before annealing, but its value decreases with the increase in the annealing temperature, from which it changed to (3.551 eV3.349 eV), and (3.40 eV) with the change in the annealing temperature from (200?, 400?, 600?) respectively. This research aims to develop new materials with improved properties by controlling annealing processes, which enhances their use in many areas of advanced technology
Modeling and Simulation of a PV-Induction Motor Water Pumping System for Off-Grid Irrigation
Get PDFSolar-powered (PV) water pumping systems provide a sustainable and efficient solution for irrigation, especially in areas with high solar radiation and limited access to electrical grids. The performance of these systems depends on their ability to operate at the maximum power point (MPP) to ensure optimal energy extraction from solar panels. In this study, the Perturb and Observe (P&O) algorithm was used to track the maximum power point (MPPT), in addition, the scalar V/F technique to control the speed of a three-phase induction motor is implemented. The proposed system consists of a solar panel array, a DC-DC converter, a voltage inverter, an LC filter, and a water pump.
Meteorological data for the Kirkuk area (e.g., solar radiation & temperature) were incorporated into the system analysis to ensure that it is adapted to the local environmental conditions. The system was simulated using MATLAB/Simulink to evaluate the performance under variable environmental conditions. The results showed that the P&O algorithm provides effective MPP tracking, while the V/F control maintains the stability of the motor speed while minimizing energy loss. This system is recommended as an effective and low-cost solution for irrigation and water supply applications in remote areas with high solar radiation, such as Kirkuk, which has an average solar radiation of up to 5.5 kWh/m²/day and temperatures ranging from 10°C to 45°C, making it an ideal environment for solar energy systems
The Extent to Which the Dimensions of Smart Leadership are Available Among a Sample of Managers of Industrial Development Projects / an Exploratory Study of the Opinions of a sample of managers in a number of industrial development projects in Nineveh Governorate
Get PDF ???? ????? ?????? ??? ?????? ??? ??? ????? ????? ??????? ?????? ????????? ?? (?????? ?????? ? ?????? ???????? ? ?????? ???????) ??? ???? ?? ??????? ?? ???????? ???????? ???????? ? ?????? ????? ?????? ?????? ???????? ?? ????? ???????? ???????? ??????? ???? ???? ????? ???? ???? ????? ?? ??? ?? ??????? ?? ???????? ???????? . ???? ????? ??? ?????? ?? ??????????? ???? ???? ?????? ???? ?? ????? ????? ??????? ?????? ??? ????? ???????? ???????? ??? ??? ?????? ?? ????????? ???? ????? ????? ????? ???????? ???????? ?????? ??????? ?????? ??? ??? ?? ????? ?? ?????? ?? ???? ??????? ????????.The current research aims to identify the availability of the dimensions of intelligent leadership, represented by: (spiritual intelligence, rational intelligence, emotional intelligence) among a sample of managers in industrial development projects. The research adopted the descriptive analytical method in analyzing the data using a questionnaire designed for this purpose that included a purposive sample of a number Of the managers in the researched projects. The research reached a set of conclusions, including the presence of a clear difference in the availability of the dimensions of smart leadership at the level of the projects studied. It also presented a set of suggestions , the most important one was giving the increasing attention to the dimensions of smart leadership because of their importance in adapting to the changing business environment.
The Role of expert Systems in enhancing the Entrepreneurial Orientation: an Exploratory study in Korek Communications Company
Get PDFThe research dealt with expert systems as an independent variable and entrepreneurial orientation as a dependent variable. The research sought to test the relationship and measure the effect between expert systems and the dimensions of entrepreneurial orientation represented by (independence, creativity, taking and bearing risks, proactiveness, self-ability and the desire for achievement). The questionnaire form was distributed to individuals working in the senior management of Korek Communications Company. The influence and correlation relationships for the main and sub-hypotheses of the research were tested using the ready-made software (SPSS Ver.22). The research reached several conclusions, the most prominent of which is that applying expert systems effectively would enhance the entrepreneurial orientation of companies, which has a positive impact that appears in the labor market by seizing new opportunities to achieve a competitive advantage or innovate new services. The research also presented a set of proposals, the most important of which is that the researched company should increase its interest in expert systems and develop their applications because they are ways to ensure its survival, increase its competitiveness, and respond to market requirements.
Knowledge-intensive organizations and their role in enhancing marketing innovation: An exploratory study of the opinions of a sample of workers in engineering offices operating in the city of Mosul
Get PDF????? ???????? ????? ??????? ??? ??????? ???????? ???????? ?????? ?????? ???????? ???????? ????????? ??? ??? ??????? ???????? ??????? ???? ???????? ?????? ?? ????? ????????? ???? ??????? ?? ???? ????? ???? ?????? ???? ???? ? ??? ??? ????? ????? ??? ???????? ????? ??????? ?? ????? ??????? ????????? ?? ???? ????? ????????? ????? ?? ??????? ???????? ??????? ?? ????? ??????? ????????? ??????? ????????? ???? ?????? ??????? ??? ???? ????????? ??? ??? ???????? ????????? ??? ???? ???? ?? ?????? ?????? ??????? ?????? ???? ??????? ??????? ????? ?????? ???????? ??????? ???? ????? ???? ??????? ????? ?? (98) ????? ?? ???????? ?? ??? ????????? ?????? ????? ??? ????????? ?? ????? ????????? ??? ????? ?? ????????? ?????? ??????? ????? ??????? ???? ?? ?????? ????????? ???????? ??? ????? ?????????? ????????? ??????? ?? ????? ??? ?? ????????? ????????? ???????? ???? ????? ???????? ??????? ????????? ??? ???????? ???????? (SPSS) ??? ???? ????? ????? ???? ????? ??????? ????? ???????? ????? ??????? ?? ????? ??????? ????????.Knowledge-intensive organizations rely on their specialized knowledge and expertise to develop and market innovative products and services. Marketing innovation is also necessary for these organizations to stay ahead of competitors and attract customers by communicating the value of their offers effectively. The study came to determine the role of knowledge-intensive organizations in enhancing marketing innovation, through An exploratory study of a sample of engineering offices operating in the city of Mosul. Due to the limited research and studies that dealt with the relationship between these two variables, the two researchers took the two variables within a broad framework in an attempt to study the relationship and impact between them. The study used the descriptive analytical approach. The study included a random sample consisting of (98) A person working in these organizations, and the study relied on the questionnaire to collect information, which is two types of information: the first is introductory and includes general information about the sample studied, and the second is related to the variables studied. A number of specialized statistical analyzes were used in the study for the purpose of analyzing the data obtained by relying on the statistical program (SPSS) One of the most prominent results of the study is the presence of a positive statistical relationship for knowledge-intensive organizations in enhancing marketing innovation
Adopting Smart Systems and Their Impact on Sustainable performance: An exploratory study in the General Company for Electrical and Electronic Industries Baghdad
Get PDF?? ???? ??????? ???????? ???? ?? ???????? ?? ?????? ?????? ?? ????? ?????? ?? ?????? ?? ???? ?? ????? ?????? ????????? ????? ?? ???? ???????? ???? ???? ???????? ???????? ???????. ????? ??????? ??????? ??? ???? ??????? ??? ????? ?????? ??????? ?????????? ?? ?????? ??? ???????. ??? ?? ????? ?????? ?????? ?? ?????? ?????? ???????? ?????????? ????????????/ ?????? ?? ??? ????? ?????? ???? ????? ??????? (240)? ?? ?????? ?????? ????? ??????? ??????? ??????? ??????? ???????? ???????? (AMOS&SPSS–26) ?????? ??????? ??????? ?????????? ???????? ??????? ????????? ??? ????? ????? ????? ??? ?????? ?? ??????????? ???? ???? ??? ???? ????? ?????? ?????????? ??????? ?? ?????? ??? ??????? ??? ?? ???? ?????? ?????????? ?? ?????? ???????? ?? ??? ???? ?????? ?????? ??????? ?????????. ???? ????? ?????? ?? ??????????? ???? ???? ???? ?? ???? ????? ?????? ?????????? ??????? ?? ?????? ??? ??????? ??? ?? ???? ?????? ?????????? ?? ?????? ???????? ?? ??? ???? ?????? ?????? ??????? ?????????.Knowledge- In the context of the current study, it has been assumed that progress in smart systems can contribute to improving sustainable performance. As well as generating expectations that make industrial operations sustainable, the current study aims to measure the impact between smart systems and sustainable performance in the company under study. The practical aspect was applied in the General Company for Electrical and Electronic Industries/ Baghdad, In light of the analysis of the answers of the author’s research sample (240), The quantitative approach was adopted to test the proposed model by adopting the statistical program (AMOS & SPSS–26) To conduct exploratory factor analysis and confirmatory factor analysis, The research results reached a set of conclusions that confirm that all dimensions of sustainable performance are present in the company under study, except that the social performance dimension, It is the most widespread dimension of environmental and economic performance. The research presented a set of conclusions in which it showed that all dimensions of sustainable performance are present in the company under study, except that the social performance dimension, it is the most widespread dimension of environmental and economic performance
The Extent of the Role played by Accounting Disclosure On The Financial Statements according to the Accounting Standard (IFRS 7)An exploratory study of the opinions of a number of accountants and auditors at the Northern Technical University
Get PDF???? ????? ??? ?????? ??? ????? ???????? ?????? ??? ??????? ???????? (?????? ??????) ???? ??????? ??????? ??? ??????? ????????. ??? 7 ?? ???? ??????? ???? ?? ????????? ????????? ?? ??????? ??????? ????????
??????? ??? ????? ?? ????? ??????? ????????? ???? ??? ????. ??????? ????? ??????? ??? ?? ????? 36 ??????? ??? ??????? 34 ????? ??? ?????????? ???????. ??????? (32) ??????? ?????? ????? ??? ??????. ?????? ???????? ??????? ??? ?????? ????? ??????? .??? ?????.
????? ????? ??? ??? ????????? ????? ?? ??????? ?? ??????? ????????? ??? ???????? ???????? ??? (7) ????? ????? ??????? ?????????? .?? ????? ???????. ?????? ???????? ???????? ???? ???? ??? ??????? ???????? ?????? ????????? ????????? ?????? .???????? ?????? ???????. ???? ????? ???? ?????? ????? ????? ?????? .??????? ???????? ???? ??????? ??????? ???? ??? ????? ????? ?????? ??? .????? ???????? ??? ????????? ???? ???????? .????? ?? ??????? ?????? ??? ??????? ???????? (7).The research aims to identify the correlation and impact between accounting disclosure (an independent variable) and the financial statements according to accounting standard No. 7 through a survey of accountants and auditors at the Northern Technical University
To achieve the objective of the research, the questionnaire form was prepared and distributed to the university sample as a random sample, where 36 forms were distributed and 34 were retrieved and the number of forms valid for analysis was found (32) form and the research relied on the descriptive analytical approach to answer the research hypotheses and reach results.
The research reached several conclusions, the most important of which is that the disclosure of financial statements in accordance with accounting standard (IFRS 7) helps economic decision makers in evaluating the financial position of the achievements and work carried out by the university surveyed and determine the specifications and special features associated with the nature of its busines
In vitro cultivation and preservation of Entamoeba histolytica on TYI-S-33 medium
Get PDFAn enormous protozoan parasite found worldwide, particularly in unsanitary areas, is called Entamoeba histolytica, and considered the main causes for intestinal infection Amoebiasis is worldwide in distribution and is the third most common cause of death due to parasitic infection after malaria and schistosomiasis. In the current study, stool samples were taken from a total of 270 patients who were attending to Azadi Teaching Hospital of Kirkuk City. The participants aged from (3 month to 79 years old) that suffering diarrhea, abdominal pain, vomiting, dehydration and, flatulence. The study was done between October 2022 and April 2023. By general stool examination identified macroscopically colors that are classified to yellowish, brownish, greenish and bloody. and consistency for liquid, soft and solid as well as microscopic examination for presence of blood and pus cell and identified cyst or trophozoite or both of E. histolytica and then isolate and cultivated and maintaining in TYS-S-33 media selective for E. histolytica and add healthy human inactivated serum instate of bovine serum to the media