Security issues of a system are factors that need to be considered in the operation of information systems, which are intended to prevent threats to the system and detect and correct any damage to the system. Distributed Denial of Services (DDOS) is a form of attack carried out by someone, individuals or groups to damage data that can be attacked through a server or malware in the form of packages that damage the network system used. Security is a mandatory thing in a network to avoid damage to the data system or loss of data from bad people or heckers. Packages sent in the form of malware that attacks, causing bandwidth hit continuously. Network security is a factor that must be maintained and considered in an information system. Ddos forms are Ping of Death, flooding, Remote controled attack, UDP flood, and Smurf Attack. The goal is to use DDOS to protect or prevent system threats and improve damaged systems. Computer network security is very important in maintaining the security of data in the form of small data or large data used by the user.

This research was made with the aim of developing the application of determining the recipient of Rastra (Rice Prosperous) aid in Tobu Village. South middle Timor district by applying the exponential comparison method. Variables or criteria used in this study are work, income, number of dependents, building area and housing conditions and detailed criteria on each variable. This research succeeded in developing an application ranking community beneficiaries of Rastra in Tobu village by using the exponential comparison method (MPE). In this application provides a graphical display feature, print reports that will be used to print and view the results of the ranking of people who are entitled to receive Sejahtera ria. 

Puzzle game is a game that shifts numbers from a box consisting of nine boxes. Eight boxes must have values arranged in numerical order starting from numbers 1 to 8. Puzzle games can produce the correct sequence according to the initial state provided that they follow the rules established rules. Completion of this game using a heuristic method, using the Ascent hill Climbing algorithm. The working process of the Ascent hill Climbing method is a process of looking for several possible solutions in order to get the optimal value for solving the problem by arranging the values from the position of the smallest value to the position of the largest value. The problem that is often experienced in this case is a lack of user knowledge in the concept of puzzle game rules so that search results are difficult to find,with this method it can make it easier to solve puzzle game cases by following the game rules and done systematically so that Goals are quickly found. The Goal results obtained are in the form of steps in the process of finding a solution and calculating the time required in the search to find a solution.

Rice is the most important staple food for humans to have energy to carry out activities. The purpose of this study is to provide information to the public in the form of a reference for selecting rice based on consumer interest, so that it can be used as a decision making in buying rice. The Mamdani method is a method that is able to solve problems in the case of rice selection based on consumer references. The work process of the Sugeno method consists of four parts, namely fuzification, inference engine, implication function amplification and the last one is defuzzification. The final result, the Mamdani method has the characteristics of using the AND operator and using the min-max value. This research is in the form of a decision-making system in rice selection based on references from consumers by looking at four aspects of criteria such as price, quality, taste, and shape variables, these four aspects can be used as a reference in rice selection. Sugeno fuzzy logic to get the final value.The Mamdani method is a very effective method in selecting rice according to the needs and interests of consumers so that potential consumers can easily choose rice according to their interests and desired criteria.

PT. Dayamitra Telekomunikasi or Mitratel is a subsidiary of PT Telkom Indonesia (Persero) Tbk which is engaged in providing telecommunications infrastructure. Mitratel has been in the telecommunications tower business since 2008. To date, Mitratel has managed more than 13,700 telecommunication towers spread throughout Indonesia. The choice of a website as a company's communication medium with the public is the right decision considering that the website can provide information or messages to anyone who wants that information even though they are in different parts of the world. The website built by the company can provide information related to the company's activities that are considered worthy to be known by the public. Through the website, the public can also find out the company in sufficient detail, starting from the profile, vision and mission, history, contacts, and activities carried out by the company. So far, the Mitratel website has never been evaluated, so the authors evaluate using the Webqual method and Importance Performance Analysis. The results obtained indicate that there are still many parts of the Mitratel website that must be improved.

Public transportation is one of the important modes of transportation and is the backbone of transportation in Indonesia. The development of public transportation is also supported by the government, this government support is evident in the national policy, namely the National Medium Term Development Plan (RPJMN). Although public transportation is an effective mode of transportation, it also has obstacles in its development, namely how to meet customer desires in choosing a mode of transportation. There are several variables that are the focus of this research, namely age, gender, income, cost, speed, comfort, safety, efficiency and flexibility. The search for influential variables will use the K-Means and DBSCAN clustering algorithms, these two algorithms are also compared to their performance to find a better algorithm. The results of the Silhouette Coefficient show that DBSCAN has a better performance with a value of 0.99 than K-Means with a value of 0.86. The variables that affect the interest in using public transportation are the most important ones related to cost, speed, comfort, safety, efficiency and flexibility.

The more rapid development of universities in Indonesia, the competition between universities is getting bigger so that the quality and facilities of each university greatly affect the attractiveness and competitiveness of universities. College of Computer Informatics Management (STIKOM) Uyelindo Kupang has 672 students. The campus of STIKOM Uyelindo Kupang has three departments, namely, first-class informatics engineering, undergraduate information systems and D3 informatics engineering with each accredited B. The development and improvement of lecture and practicum facility services at (STIKOM) Uyelindo Kupang is very important to be monitored and maintained. If the campus has provided services and facilities for students but these services and facilities are not monitored and maintained, sooner or later the services and facilities provided will be damaged and can no longer be used. The purpose of this research is to build a complaint information system website for lecture facilities and practicum to help and facilitate students. Based on the results of the test analysis using the Slovin method, there is an average value of 87% with Strongly Agree (SS) criteria. Even with the index value, when viewed based on the type of variable, there are several question items with unfavorable criteria. Question items with these criteria need to be considered for future website development. In the future, the website development will take into account the lowest index value of each indicator, especially those with poor and bad criteria.

Online shopping is the process of purchasing goods / services by consumers to realtime sellers, without services, and through the internet. The development of online business in Indonesia is now very rapid, one of them by shopping online. Online stores or we often call e-commerce is a form of change that is presented by the internet in terms of innovation in shopping by providing various facilities in the transaction process. The aim of the writer is to determine the best e-commerce, therefore the author uses the SAW (Simple Additive Weighting) method because the method is able to make a more precise assessment because it is based on the value of criteria and preference weights that have been determined, besides that the SAW method also can select the best alternative from a number of alternatives because there is a ranking process after determining the weights for each attribute.

Many companies require good employee performance in order to achieve company goals, business competition is a trigger for companies to improve the performance of their employees. The variables used to determine the effect of the company's employee performance are discipline, compensation, work environment and training. This research was conducted on employees of PT. XYZ involved 60 respondents. This study uses a saturated sampling technique and uses a Likert scale. The analysis used was multiple linear analysis, with the regression equation Y = 16.349 + 0.068X1 + 0.001X2 + 0.159X3 + 0.287X4. The conclusions of this study are, (1) employee performance is not significantly affected by discipline, (2) employee performance is not significantly affected by compensation, (3) employee performance is not significantly affected by the work environment, (4) employee performance is significantly influenced by training, (5) Employee performance is influenced simultaneously by discipline, compensation, work environment and training.

ABSTRACT
A web-based futsal field reservation system was developed to help facilitate the process of booking or leasing a futsal field. The system uses PHP and HTML programming languages by using MySQL as data storage. The purpose of designing this system is to make it easier for users to rent futsal fields. With the futsal field reservation system is expected to facilitate in data processing, scheduling and registration of members or customers. In the end, this system is expected to help the company's performance, and can also facilitate customers in the ordering process.