System data sqlclient default port jobs

We are looking for small HR are system for 50 or 100 employees

I'm in need of a developer who can create a web-based lottery system for me. The system should be designed to allow anonymous participation, with the winners being selected automatically by the system. Key Features: - Web-based: The lottery system should be accessible through web browsers. - Anonymous participation: Users should be able to participate without the need for user registration. - Automated winner selection: The system needs to be able to select winners automatically without manual intervention. Ideal Skills and Experience: - Proficiency in web development - Experience in creating lottery systems or similar - Knowledge of automated selection processes This project involves a good amount of logic and system design, so experienc...

Warning: This project is for advanced developers. Those that can read complex code structures - I mean it. You must be able to understand ReactJS but also understand a ...developer", please tell me what was your most difficult ReactJS project you completed and why. Also, how many years of ReactJS experience do you have? Read this job description carefully, as it serves as an indicator to me if you pay attention to detail. The project consists of connecting to a Drupal project via REST endpoints. We're saving data to the PWA using IndexedDB, encrypting sensitive data, and by default refreshing the UI only when there's new data via push notifications (which come from the server using Web Push API), we're also using Android to load the PWA. Is...

I'm looking for a talented WordPress developer to change our current website theme to Xstore and translate the site from English to Arabic using WPML. Our site has all the required pages and posts, and we want them to be aligned with the new theme's demo. Please note, we already have WPML installed and licensed, and the website has been fully translated. Website to Check : Key tasks include: - Implementing the Xstore theme (or Woodmart if more suitable) - Aligning with the theme demo - Changing layout, colors, and fonts as needed - Translating the site to Arabic using WPML and ensuring all content is correctly displayed The project does not require any additional custom functionalities beyond the theme, its demo, and the Arabic translation. The ideal candidate should have: - Pr...

I'm seeking a capable freelancer to design a hardware cashier system for my business. The system will include: - Cash drawer integration: This is the primary hardware requirement for the system. - CRM integration: The system should work seamlessly with a customer relationship management system. The ideal candidate for this job should have experience in point of sale system design and integration. A strong understanding of customer relationship management is also essential.

I have a Windows 2019 Server acting as a Domain controller to which I have administrator privileges. My PC connects to the Domain and there are 3 users who logon to the PC/Domain. They are Michael, John and Peter. I want to set a default username for the PC in the format DomainMichael so that no matter who logged on last, whenever they logout then the logon screen will always show DomainMichael. Ideal skills & experiences: - Proficient with Windows Server 2019 Active Directory and Registry Editing - Experience in creating new user accounts with specific permissions. - Attention to detail to ensure the username is configured correctly. Looking forward to your bids.

We are looking for candidate from Hyderabad City only. I'm in need of a skilled system administrator who can manage a small infrastructure across Windows, macOS and Linux operating systems. The key tasks include server maintenance, network troubleshooting, software installation and updates, and configuring our server. Key aspects of the project include: - Supporting multiple operating systems: You should be experienced in working with Windows, macOS, and Linux. - System maintenance: Regular maintenance of our servers is essential for smooth operations. This includes updates and ensuring all systems are secure. - Network troubleshooting: You'll be responsible for keeping our network up and running. Troubleshooting issues as they arise is crucial. - Software installa...

...features to the existing web application. These include: 1. Filter students by religion and gender (Dropdown filter needs for additional filter only gender and religion) 2. Send individual message by filtering class, section and marking by roll And some more 3. I need to show here some important field by default from student and parent profile Gender Religion Father's name Mother's name Mobile number Date of birth Address Image (print in pdf) 4. I have some issue to fix on result system. Need to modify class name tyme 1. Compulsory (WIll add full marks and GPA with Result) 2. Optional (WIll add full marks and GPA with Result) 3. Additional (Just to show on Marksheet, (WIll add any marks and GPA with Result) example: Drawing 4. 4th S...

I need someone to assist with ZMNinja from ZoneMinder. I am getting API Errors, but everything seems fine with the server

I'm seeking a developer to help me redesign the online text assignment plugin for Moodle. I'm looking to make the user interface more user-friendly and intuitive. This plugin should be rather simple as it is simply a redesign using elements that are already existing within Moodle pages by default Key responsibilities: - Redesign Moodle's online text submission type to improve user interface - Ensure the plugin is compatible with the latest version of Moodle Your qualifications should include: - Proficient in PHP, HTML, CSS, and JavaScript - Experience working on Moodle plugins - Strong understanding of user experience (UX) design The ideal candidate will be able to deliver a high-quality, user-friendly plugin that enhances the text assignment experience for both st...

I'm in need of an experienced ERP system developer to create a new, customized solution. While experience with Zoho Creator is not a strict requirement, it would be beneficial. The main goal of this project is to develop an ERP system that will handle inventory management and sales/order processing. We will need to connect for already created ERP system first. Key aspects of this project will include: - Developing a customized ERP solution from scratch - Implementing inventory management features - Integrating sales and order processing functionalities Ideal candidates should have: - Proven experience in developing ERP systems - Strong understanding of inventory management and sales/order processing - Proficiency in Zoho Creator (or any other ERP system i...

The main objective is to implement a system of coupons and bonuses on Word Press Site under construction and will have to work in parallel with the team developing the WP. to encourage users to make purchases and refer products, thus increasing sales and visibility of the site. The project is already tested both the functional part and the code skeleton, which has been designed and has passed the Chat GPT validations in terms of structure and functionalities. Please refrain from submitting proposals that do not meet the technical requirements described in both documents.

...ASTPP/Freeswitch developer to create an Interactive Voice Response (IVR) system for my project. The primary goal of this IVR system is to Play a pre-recorded message when a customer calls a DID, then route the call according to any routing rules configured on the dialplan. This means that the system needs to be designed to handle customer queries and direct calls to the appropriate department. Ideal Skills: - Proficient in ASTPP/Freeswitch - Experience in IVR system development - Strong understanding of customer support processes - Ability to design system for call routing The project is expected to be completed within a reasonable timeframe. A successful candidate will be able to understand the nuanced requirements of the system and devel...

I'm seeking a talented developer to create a sophisticated software system that will help me identify profitable betting opportunities and detect positive expected value (EV) bets within the sports betting market and also arbitrage bets, live positive EV bets and live arbitrage bets on the websites specified in the attached file. The formulas for Positive EV bets can be found on the following website. The software needs to compare the odds to the odds of , obviously following the adding of the vig (pinnacle's profit margin) to the odds, in order to receive the true odds: The software needs to run as a website that only I can access, with a similar layout to that of , as seen on the picture attached. I will also

I need a React developer to build a frontend for a Student Management System. Key Project Details: - Two Types of Users: The system will have both admin and normal user functionalities. - Entities: The project involves five main entities: students, admin, class, exam, hall, and scheduling. - CRUD Operations: The system should allow for Create, Read, Update, and Delete operations for the mentioned entities. Admin User Features: - Access Control: The admin user should have the ability to control user access and manage permissions. - Reports Generation: The system should be able to generate exam scheduling reports. I will provide you with the Swaggy API list for this project. The deadline for this project is Saturday night. Ideal skills and experience: - Pr...

I'm looking for a talented developer to build a web-based POS system with a focus on insightful daily sales reporting. Key Features: - Web-based POS system: The system should be accessible through the website itself, offering an intuitive interface for easy use. - Daily Sales Reporting: It's crucial that the system provides detailed and comprehensive daily sales reports. These reports should be easy to read and interpret. - Customization: The system should allow for future customization and integration of additional features, as the business grows. Ideal Skills: - Proven experience in developing POS systems, particularly web-based. - Strong understanding of sales reporting and data analysis. - Ability to create user-friendly interfaces...

I'm looking to create a binding within Openhab for an Elmo alarm system. The binding needs to enable the following functionalities: - Remote arming and disarming of the alarm system. - Monitoring the status of individual sensors and zones. - Sending sensor states to OpenHAB items. I do have a similar project that was written in Python for Home Assistant which I can provide as reference and guidance. Ideal Skills: - Strong experience with Openhab binding. - Proficiency in Python programming. - Familiarity with the Elmo alarm system will be a plus.

...ERP system. Key project aims include: - Customer data synchronization: Ensuring consistent, accurate customer information across platforms. - Order management integration: Streamlining order processes for increased business efficiency. - Inventory management synchronization: Maintaining real-time, synchronized inventory data between Zoho and ERP. With 11-50 users expected to utilize this integrated system, the ideal freelancer should not only possess strong experience with Zoho One and ERP integrations but also have a deep understanding of business processes, data management, and system admin work. Proficiency in managing user access and associated entity relationship is a plus. This endeavor aims to create a seamless workflow betw...

...with the chosen products. We need that someone just fill the database wkth the data we have in excel file (about 350 lines) To access the page we need a login page. We need 2 levels: 1 level: administrator 2nd level: agents One administrator is sufficient More agentes are necessary. ADMINISTRATOR PAGE: The administrator can add, edit or remove an agent. Just Name, Surname, phone, email, username, password The administrator can see the list of products, delete one, add another line, edit one line. AGENT PAGE: If the agent logins he can see a list of all the products with quantity bigger than 2. On each raw we want to put a simple dropdown menu where the agent can chose the quantity to order. The default value will be 0 quantity. The maximum quantity must be the qua...

I'm seeking an experienced developer proficient in Node.js to create an online booking system for my hotel. Key Tasks: - Developing a booking system with easy-to-use interfaces for single rooms only. - Building an efficient room availability calendar. It is crucial for visitors to be able to easily check room availability and make immediate online reservations. Ideal Skills and Experiences: - Extensive experience in Node.js. Please provide proof of previous similar projects. - UI/UX design. The system should not only work efficiently but also be user-friendly and visually appealing. - Previous experience in building hotel reservation systems is a definite advantage. The goal is to streamline the process and increase my bookings. Please refer to the tasks a...

...customized CRM system specifically tailored for financial services and their freelancers. This system should be able to: - Track leads: The application should have a robust lead tracking system in place, allowing us to monitor and manage leads effectively. - Manage deals: Deal management is a crucial part of our business. The CRM system needs to support this feature to ensure smooth deal handling. - Provide performance metrics: It's important for us to evaluate the performance of our team. This CRM system should include tools to generate and present performance metrics. Additional features requested for this CRM system include: - Email integration: Seamless integration with email services to streamline communication and data man...

I'm looking for a ready-made ERP cloud accounting system like that offers these key features: - Inventory Management - Sales and Purchase Tracking - Financial Reporting I'm specifically seeking a system that has a: - Modern and sleek design I plan to integrate this ERP system with other software via API. Ideal Skills and Experience: - Experience with ERP cloud accounting system development - Proficiency in UI/UX designing - Proven ability in API integration with other tools - Familiarity with inventory management, sales tracking, and financial reporting systems. I want similar to

I need a skilled developer to integrate our custom in-house software with Oracle TimeCard. This is to allow for automated time entry. Key Requirements: - The integration should allow for automatic time entry from our custom in-house software to Oracle TimeCard. - The system should also enable the creation, updating, and deletion of timecard information in Oracle TimeCard. Ideal Skills: - Proficiency in Oracle TimeCard integration. - Experience with automated data transfer between systems. - Strong understanding of custom software integration.

We need a complete design of sand separation system using cyclones to separate sand under 150 microns including air blower - feeding capacity 45 tons/hour of sand. Max cyclone dia 1.2m

I'm looking to sell a residential solar photovoltaic (PV) system that stands out for its energy storage capabilities and off-grid independence. The estimated space for installation is a medium-sized residence (1,000 - 2,000 sq ft). Ideal skills include: - Expertise in solar panel design and installation - Knowledge of battery energy storage systems - Understanding of off-grid solar systems - Experience with residential projects - Ability to estimate solar power needs based on space size Offer your skills to make this solar PV system stand out in the residential market.

VM CREATION (1 VPS BIND) os CentOS 8 & 9 Stream MINIMAL Direct installation or converted from CentOS 8 Linux. (Recommended) panel add install:https://control-webpa...nginx server VARNICH APACH very important !!!!!snaphopt image creation just servers working (just os) (without admin panel)!!!I want to be able to do restores, for a new installation of another panel, if necessary.! !!! !! !!!!!! link to server add SSL ADD ALL PHP CGI AND FMP (latest 6 versions)PHP AVAILABLE FOR CUSTOMER FOR ALL SERVER ADD PHP VERSION 7.9 PACHT FMMPEG add latest version change SSH22 port verification example: ns1 . add IP.: add a Mac machine adds IP.: adds mac Example of adding HOSTENAME:

...functionalities: - Setting up a photo shoot job - Selection of a suitable photo shoot date - Selection of additional photo shoot services - Short-term storage of photos - Allowing the real estate agent to download the resulting photos via API - Everyone will see the photos they have permission to. He will be able to filter and sort them on a basic basis - Photographer rating system System users: - Broker ◦ Establishes a request for a photo shoot ◦ Selects the date and service ◦ Sees his orders including the resulting photos ◦ Evaluates - Photographer ◦ Sees assigned jobs with a schedule (calendar) of jobs ◦ Confirms the job ◦ Inserts the resulting photos ◦ Sees your histo...

I'm seeking a knowledgeable professional who can guide me through how to view HTTPS calls in Fiddler on Windows that have originated from an Android mobile application (running on either Bluestacks or Nox emulator) This may (or may not) need: - SSL unpinning - ProxyCap to route the traffic to fiddler port The session can be conducted remotely, either through detailed instructions or a shared screen conference call for a more interactive experience. Please demonstrate via a video/screen record that you are able to do this otherwise I won't respond. This should show you opening an app (not a browser) in Nox/Bluestacks and the HTTPS calls then being displayed in fiddler.

I am seeking an experienced freelancer to code for an Industrial Automation System specifically focusing on manufacturing process control. Key Tasks: - Develop efficient code for my Industrial Automation System. - The code should aim at automating the manufacturing process control. - Testing the code for effectiveness and making necessary improvements. Skills and Experience: - Strong experience with IoT devices, especially industrial automation systems. - Exceptional coding skills, particularly in an industrial background. - Experience in manufacturing process control. - Ability to work quickly and effectively, as the project is needed ASAP. Experienced with Microsoft Azure Timeframe: The project should be completed as soon as possible. Applicants should have immediate...

Warning: This project is for advanced developers. Those that can read complex code structures - I mean it. You must be able to understand ReactJS but also understand a ...developer", please tell me what was your most difficult ReactJS project you completed and why. Also, how many years of ReactJS experience do you have? Read this job description carefully, as it serves as an indicator to me if you pay attention to detail. The project consists of connecting to a Drupal project via REST endpoints. We're saving data to the PWA using IndexedDB, encrypting sensitive data, and by default refreshing the UI only when there's new data via push notifications (which come from the server using Web Push API), we're also using Android to load the PWA. Is...

Your Responsibilities: System Monitoring and Maintenance You will monitor system health, proactively respond to monitoring alerts, and inspect application and system logs to take appropriate action in case of error conditions. Development and Implementation You will support in defining and implementing Kubernetes deployments and provide consultation in creating Kubernetes manifests for custom deployments. Software Audits and Disaster Recovery You are responsible for software updates, VM configurations, and the system's disaster recovery. • general VM updates and configuration through ours to be built IaC definitions (Terraform, Ansible and Kubernetes) • inspecting newer container images and software versions • planning and executing updates on infr...

Hi, Um getting an error at my website: Warning: Creating default object from empty value in /home/chezluis/public_html/wp-content/plugins/canteen-essential/inc/framework/ReduxCore/inc/ Need desapear this from homepage...

...compatible with iOS and Android devices, as well as Windows computers. Primary Features: - Timer scheduling - Remote control of ventilation systems - Monitoring parameters including temperature, humidity, twilight, and weather - Real-time notifications and alerts - Scheduling system actions - Support for multiple users simultaneously Given the sensitive nature of the data and operations, the application must be secure. Your work will involve implementing advanced encryption to safeguard our communications and data. The ideal candidate for this project should be proficient in mobile and desktop application development, with a deep understanding of systems' programming and security protocols. Knowledge of ventilation systems would be a plus. I encourage you to...

I'm seeking to build a comprehensive Pension Fund Administrative Management System tailored for my fund with 500 members. The system should incorporate the following key features and functionalities: - Workflow Tracking: The system should be capable of monitoring and managing internal workflows, ensuring tasks are assigned to specific users, with set deadlines and progress tracking. - Contribution Tracking: The system should accurately record and manage the contributions made by each member. - Investment Tracking: The system should include a functionality that tracks the investments made by the fund. In addition to the above, the system should have a Loan Management Module that allows the fund to offer loans to its members. The Loan Manageme...

It’s online hotel booking management job! Not a developer job! I am looking for a full-stack staff with experience in managing online hotel system. Key Features: - Reservation Management: manage reservation on different includes a calendar view to visualize and manage bookings. - Claim Handling: be responsive handling of customer issues. -adhoc task upon discussed Ideal Experience: - Prior experience in managing hotel management systems or similar online management platforms is highly desired. - Good communication in English if you can speak mandarin it is an advance point. Please submit your proposal. If you're confident please provide a short introduction about yourself.

I am looking for a proficient software developer to build an all-inclusive student fee management software. Key Features: • Ability to track multiple types of student fees • Capability to generate detailed fee reports • An automated reminder system. The software must smoothly integrate with our existing systems which include the school management system, attendance system, and our accounting software. Ideal Skills: • Experience in educational software development • Strong background in systems integration • Skilled in automation and report generation.

...a ticket reservation system to help manage vehicle bookings at my car repair workshop. Key Features: - Customers should be able to specify the type of repairs they need by describing it in a text field. - The system should capture this information, along with the basic details like their name, contact information, and the time they'd like to come in for the repair. Skills and Experience Required: - Experience in building ticketing systems, ideally for a service-oriented business like a workshop or a customer support center. - Familiarity with implementing text fields for user input. - Good understanding of user experience and interface design for a seamless customer journey. - Knowledge in database management to store and retrieve customer information. The s...

...Reference information] ([1] and [3] are for reference only) 【1　Background】 This technology pertains to a system that utilizes mobile devices in vehicles. Specifically, it combines a smart key system with Ultra-Wideband (UWB) wireless communication to authenticate the mobile device with the vehicle and precisely detect the location of the device. Based on this location, the system determines whether to allow or deny vehicle operations. This aims to enhance security and service quality. However, since UWB communication uses high-frequency bands, communication may become challenging depending on the device's location and surrounding environment. Therefore, this technology aims to provide a system that facilitates reliable high-frequency communication betwe...

...Python to help me build a robust CRM system. The project calls for a quick turnaround - I need it to be completed ASAP. Key Features: - Sales Pipeline Management: The system should help me track my sales process from lead generation to conversion. - Customer Interaction Tracking: I want to record all interactions with my customers, including emails, calls, and meetings. - Integrated Email Marketing: The CRM should have seamless integration with my email marketing tools so I can easily communicate with my customers. - Scheduling: I need the system to have scheduling capabilities to help me manage my time effectively. Primary Goals: - Improve Customer Satisfaction: The CRM should help me provide better service to my clients. - Increase Sales: The system shoul...

As part of my urgent project, I'm looking for an AI developer proficient in automatic scoring and evaluation with a strong understanding of the IELTS exam format. The aim is to build a comprehensive system capable of: - Precisely grading the speaking and writing sections of the IELTS exam - Identifying areas of improvement for each test-taker - Providing detailed individual feedback - Including evaluations for reading and listening sections For success in this project, familiarity with Natural Language Processing (NLP), Machine Learning, language testing, and proficiency in various AI programming languages is essential. Previous experience in educational AI software development such as automated grading systems will be highly regarded. Required Skills: - AI development - ...

...technology pertains to a vehicle control system designed to enable specific operations on a vehicle. Traditionally, there has been a smart system utilizing electronically authenticated keys through wireless communication with the vehicle. However, a new method using sound authentication with a device worn on the user's ear has been proposed. While this device offers a novel way to authenticate with the vehicle, using standard communication protocols allows authentication from a distance, which could lead to risks of unauthorized access by third parties. Therefore, the goal of this technology is to provide an improved vehicle control system that reduces the risk of such unauthorized manipulations.【2　Technology Description】 This technology involves a system...

I'm in need of a proficient individual who can help me set up my NAS System running openSUSE, including the configuration of a Docker system. I already have the hardware for the NAS system, so the primary focus would be on the software setup. Key Requirements: - Installation and configuration of a NAS System on openSUSE - Setting up a Docker system on the NAS - Configuring the NAS to run Web applications, Database services and a Media server - Ensuring the system is capable of supporting connectivity for less than 10 devices Ideal Candidate: - Proficient in setting up NAS Systems on openSUSE - Experienced in Docker system setup and configuration - Knowledgeable in configuring NAS Systems to support various applications - Skilled in en...

I'm seeking an experienced professional to set up a karaoke system with a main focus on installing a professional-grade audio mixer. An existing venue has been arranged for the setup. The ideal candidate will have a deep understanding of professional audio equipment and bring expertise in acoustic setup to ensure optimal sound quality in the space. Familiarity with karaoke systems and proven ability to work effectively within the constraints of the venue is required. A site visit to see the available equipments is preferred before the installation day.

I am facing an issue with incorrect message structures within my C# windows service application. - Problem: At present, our application is producing improperly structured messages - an anomaly that we are keen on rectifying. - Solution: I am in search of a proficient C# developer with significant experience in handling message logging, particularly with event loggers. You will be required to add the event logger and figure out what is causing our issues. - Timeline: The task is quite urgent, so I need someone who can begin immediately and deliver as soon as possible – I'm counting on your efficiency. Skills and experience: - Advanced knowledge of C#, especially in creating and troubleshooting windows service applications - Experience with event loggers, from implementation...

We're seeking a highly skilled Shopify developer to join our team for a long-term project. You'll be responsible for creating innovative functionalities that extend beyond Shopify's default settings, pushing the boundaries of the platform. Here's what we need: Shopify Expertise: In-depth understanding of Shopify's file structure, directories, and templating system (Liquid). Experience manipulating orders, grabbing data from the database, and crafting custom views using Liquid shortcodes. Proven ability to develop custom Shopify plugins to achieve complex functionalities. Technical Skills: Proficiency in Shopify development languages (Liquid, JavaScript, HTML, CSS). Experience with database manipulation (likely MySQL). Communication & Co...

I'm in need of a proficient Simulink designer to assist me with a PID Control System Design project. The focus is on Position Control System. The project requires the following: - Expertise in Simulink and control system design - Knowledge of PID control development and its application in Position Control System and Car suspension Skills & Requirements: - Proficiency in Matlab and Simulink - Advanced knowledge in Control System Design - Prior experience with Position Control Systems and Car suspension - Extensive experience with PID control and electrical actuator Your task would be: - Design a PID control for a position control system - Implement this design in Simulink - Test and refine the system to ensure accurate and opti...

I'm in need of a SOCKS Proxy server as my ISP has closed port 25, which is essential for email services. Key requirements: - Set up a SOCKS Proxy server: The server's primary function will be to support email services. - Implementation: The server should be configured to support my email client. - Security: Ensure the server is secure and reliable. Ideal skills and experience: - Proficient in setting up SOCKS proxies. - Expertise in configuring services for email clients. - Knowledge of network security standards. The project might involve more tasks depending on the specific needs of the proxy server.

...tech-savvy professional to establish an automated system leveraging ChatGPT and Make Automation. The aim is to: - Automatically extract specific information from a variety of documents including Word, PDF files, Excel Spreadsheets, and Scanned documents - Thoroughly analyze extracted content including text, tables, charts, and images for compliance and precision - Automatically generate comprehensive reports based on extracted information for easy reference For this task, proficiencies in AI, Machine Learning, ChatGPT, and automation are necessary. Likewise, experience in OCR technology for processing scanned documents will be valuable. Not only should the candidate be detail-oriented - they should also be adept at debugging and ensuring the system seamlessly integrates...

...should support 8S and 4S configurations - Maximum amperage capacity of 100A - The ability to alter the BMS ampere capacity by adding or removing MOSFETs or any other relevant hardware as required - The BMS should include essential safety features such as: * Temperature monitoring * Short circuit protection * Cell balancing * Reverse polarity protection - The system should allow for charging and discharging through the same port I need this project to be completed within a month. Ideal skills and experience for this job include: - In-depth knowledge and experience in BMS design, particularly with LiFePO4 batteries - Proficiency in creating flexible BMS systems with variable ampere capacity - Extensive experience with temperature monitoring, short circuit protec...

I need a comprehensive web-based content management system (CMS) which allows users to upload multimedia content. Key requirements include: - A secure, user-friendly interface for uploading and managing multimedia content (videos/photos). - Role-based access control for different users within the organization. - Automated content moderation and filtering to maintain quality standards. - An intuitive search and tagging system for efficient content retrieval. - Scalable architecture to accommodate a growing volume of content and users. Ideal Skills: - Proficiency in web development and CMS solutions. - Experience in designing and implementing multimedia content systems. - Strong understanding of user experience (UX) design principles. - Knowledge of security best practices in...