Ethical hacking and cyber security coursecông việc

Mình cần một bạn thiết kế cho mình logo thương hiệu Ý tưởng mình trống rỗng. Mình làm về thi công hệ thống và sữa chữa điện va nước Tên Cyber M.E

Mình cần 1 bạn có kiến thức về Program Language, code analysis, basic security để cùng làm 1 algorithm để phân tích lỗ hỏng bảo mật trong mã nguồn C/C++ Trong source C/C++ sẽ có rất nhiều lỗ hỏng bảo mật như tràn bộ nhớ, integer overflow v.v.v. Thì mình sẽ phân tích code để tìm ra những lỗ hỏng đó Ngôn ngữ input là code c/c++. Còn việc dev bằng ngôn ngữ (python, v.v.v) Thì không quan trọng nha

Mình cần 2 dịch vụ cho trang web khóa học online của mình: 1, Làm sao để ngăn học viên chia sẻ mật khẩu cho người khác (có thể hạn chế theo địa chỉ IP, mỗi tài khoản chỉ được xem ở 2-3 địa chỉ IP, có thể thay đổi nếu muốn, hoặc cách khác theo freelancer gợi ý. Mình đã thử 1 số plugin nhưng hình như chỉ chặn IP đc trên Page, không phải trên Course?) 2, Tính năng chống download video cho khóa học (Mình đã dùng google drive để chế độ không cho phép download, nhưng trình duyệt cốc cốc vẫn có thể download được, dù cho nó chỉ tải được video có độ phân giải 360. Mình cũn...

Team chuyên thực hiện các dự án từ nước ngoài. Yêu cầu chung: - Tốt nghiệp cao đẳng CNTT trở lên. - Thành thạo lập trình hướng đối tượng - Hiểu biết HTML/CSS/Javascript/Ajax/Webservice/Web Security - Tiếng Anh: Đọc hiểu tốt - Yêu thích làm web - Nhanh nhẹn, tự tin, chịu khó học hỏi, cẩn thận, trách nhiệm cao - Vui vẻ, hòa đồng, làm việc nhóm tốt - Làm việc fulltime, gắn bó lâu dài với team - Có lợi thế nếu bạn có ít nhất 1 năm kinh nghiệm làm web. Quen với các PHP framework như Opencart , Joomla, WordPress Quyền lợi: - Lương thỏa thuận theo năng lực và kinh nghiệm ($250 ~ $500)

Team chuyên thực hiện các dự án từ nước ngoài. Yêu cầu chung: - Tốt nghiệp cao đẳng CNTT trở lên. - Thành thạo lập trình hướng đối tượng - Hiểu biết HTML/CSS/Javascript/Ajax/Webservice/Web Security - Tiếng Anh: Đọc hiểu tốt - Yêu thích làm web - Nhanh nhẹn, tự tin, chịu khó học hỏi, cẩn thận, trách nhiệm cao - Vui vẻ, hòa đồng, làm việc nhóm tốt - Làm việc fulltime, gắn bó lâu dài với team - Có lợi thế nếu bạn có ít nhất 1 năm kinh nghiệm làm web. Quen với các PHP framework như Opencart , Joomla, WordPress Quyền lợi: - Lương thỏa thuận theo năng lực và kinh nghiệm ($250 ~ $500)

Cần tìm người có kinh nghiệm triển khai Symantec Endpoint Security Enterprise: - Triển khai cài đặt cấu hình máy chủ quản lý các endpoint. - Deploy agent xuống các máy trạm (remote hoặc manual). - Cấu hình và apply policy theo yêu cầu. - Máy chủ đặt tại Datacenter, các endpoints là các virtual server (Windows Server và Linux) tại 3 sites: Datacenter, và Hà Nội. - Số lượng: 300 endpoints.

Mình cần bạn biết code thiên về bên black một chút để làm vài dự án về hacking mức lương 1-3k$/tháng duy trì lâu dài

Một file VBA excel kết nối với một số form excel để tổng hợp thông tin và trình bày dưới dạng dash board, xuất ra Powerpoint - Sales development - Margin development; - PL, BS and CF; - Cost development; Một số nút chức năng: - kiểm tra tình trạng file link; - refresh link; - report (click button to release report); Security: presentation format cố định, có password để mở, thay đổi

I would like to fix the “Child theme” as follow this demo: Of course, I want import full utilities of the parent theme to child theme but want to customize some details in attached file bellow; Tôi muốn chỉnh sửa trong “theme con” dựa trên theme mẹ theo như demo tại: Mọi chức năng sẽ giống y hệt như theme mẹ nhưng sẽ được tùy biến với những yêu cầu trong file đính kèm sau:

Xin chào, mình đang cần 1 họa sĩ truyện tranh th...(pages). The number of chapter hasn’t decided yet since I’m still writing the story, but if was been release a short version as video movie before (of course more than 1.000.000 views in total). I guess it will be more than 100 chapter. - Since this is a start-up project, I only can pay you $2 for each chapter and milestone will be released for every 10 chapter. - This is a long-term partnership, as I’m also a marketer, I’ve a strong believe in this project’s future, and so if we get succeed, your work will not be forgotten and surely I’ll give you HUGE bonus. Show me your previous work if have. PLEASE ONLY BID WHEN YOU’RE SERIOUS AND ACCEPT...

- Our company – Access Vietnam is looking for a quality control inspector to do QC in various industries, mainly in the South of Vietnam. Let’s join us if you are passionate about quality control and enthusiastic about helping our product to the next level in term of safety, security and accuracy. Your main duty: - Carry out DPI and FRI for seagrass baskets and other items - Report in English Our requirements: - Able to communicate and report in English - Able to work with different projects Starting date: - As soon as possible Application: - Please send your resume to Ms. Sibylle and Ms. Ngoc at: Sibylle@ or minhngoc15920@ ------------------------------------------------------------------------------------------------ Tuyể...

Tôi đang thực hiện một dự án nghiên cứu về bảo mật thông tin (Information Security Research). Hiện nay, tôi cần người cộng tác, hỗ trợ để viết một số tài liệu báo cáo, thuyết minh kết quả nghiên cứu. Yêu cầu: - Khả năng đọc, tổng hợp thông tin từ các tài liệu được cung cấp, viết lại theo đề cương đưa ra. - Tài liệu viết bằng tiếng Anh, văn phong học thuật, chuyên ngành Công nghệ thông tin - Tổng số lượng trang: từ 50-60 trang A4 Ưu tiên cho các bạn có kinh nghiệm nghiên cứu, viết công bố khoa học bằng tiếng Anh.

nếu quan tâm thì liên hệ lại nhé. skype lequocviet1111. PHP, Mysql, web security. Nếu bạn đang ở HN thì tốt nhất.

nếu quan tâm thì liên hệ lại nhé. skype lequocviet1111. PHP, Mysql, web security. Nếu bạn đang ở HN thì tốt nhất.

I have until the end of November to have these submitted, please find below the course materials.

...I was a newly graduated IT students, the results would rub problem is quite serious, because I seem a bit crazy and lose focus on these issues by strengthening worker main types, their is there a startup plan, you can understand simply because nobody wants to admit to anything, so I want to own one. Hi, glad to say that's it, I'm planning to develop a social network for their medical needs and capable mem first is the ability to develop diverse products, most importantly, Oh bloody do own products, bloody start, dare confront challenges and not gong too because financial problems. Of course it would be good if you are in Ho Chi Minh City. I'm hoping to build a plant and nursery startup of its channels will find opportunities for team o...

...I was a newly graduated IT students, the results would rub problem is quite serious, because I seem a bit crazy and lose focus on these issues by strengthening worker main types, their is there a startup plan, you can understand simply because nobody wants to admit to anything, so I want to own one. Hi, glad to say that's it, I'm planning to develop a social network for their medical needs and capable mem first is the ability to develop diverse products, most importantly, Oh bloody do own products, bloody start, dare confront challenges and not gong too because financial problems. Of course it would be good if you are in Ho Chi Minh City. I'm hoping to build a plant and nursery startup of its channels will find opportunities for team o...

I'm in need of a seasoned IT professional with a strong focus on Firewall Management and troubleshooting. My primary need is for assistance with the setup of a firewall. Key Responsibilities: - Configure a new firewall to meet our security needs. - Troubleshoot any issues that arise during setup or in the future. Ideal Skills and Experience: - Extensive experience in Firewall setup. - Proven track record in IT troubleshooting. - Strong understanding of network security.

...expertise in campus-wide network setup and configuration to make our college campus, including admin and hostel buildings, network-enabled. This is an on-site project in Patna, Bihar, and the selected candidate must handle the entire process from installation to configuration and testing. The project involves installing and configuring the following networking equipment (equipment provided by us): Firewalls, routers, and switches (L2 and L3 switches with PoE features). Indoor and outdoor access points. Network racks, patch panels, and other infrastructure. LAN cables, conduits, fiber cables, and connectors. The goal is to ensure seamless Wi-Fi and LAN connectivity across the entire campus, supporting all buil...

...service that can provide an image, a definition, and an example sentence for a significant number of words (more than 100). This is for the American Language Course, which is a book used to teach English to international military students. These words will be provided by me in sections. I have attached an PowerPoint example for section 7.1. Key Requirements: - Ability to source or create suitable images for each word. Any type of image is acceptable (stock images, custom illustrations, etc.) just as long as it appropriately represents the word. Preferably realistic. ChatGPT works. - Strong understanding of language to craft clear, concise definitions and example sentences. - Creativity and resourcefulness in finding or creating engaging and relevant...

...Key Responsibilities: Build, train, and deploy the AI bot to handle outbound calls. Integrate the bot with Orzonetel telephony platform. Implement scripts to handle various customer scenarios, such as: Explaining OD features. Addressing objections (e.g., high interest rates). Assisting with eligibility checks and document requirements. Expected Outcomes: Achieve at least 15% lead qualification rate. Automate customer engagement for efficiency and better follow-ups. Ensure seamless integration with existing CRM systems. Required Skills: Proficiency in AI/ML development, particularly in customer service bots. Experience with telephony platforms like Orzonetel. Familiarity with loan or financial product sales processes. Expertise in script automation and voic...

...particular. We have an Anki deck based on the video course Destinos and we're looking for an experienced Spanish teacher to improve our existing deck. The task might take you between 50 hours and 100 hours. In order to choose the best candidate, we’d like to have a few people improve only one lesson for trial. You might need one to two hours for that. We can pay a maximum of $15 as a compensation for this trial task. So we won't accept any offers above that. This project is only for the trial lesson. So far, the deck features mainly sentence cards with a Spanish sentence and its English translation. Your task is to add comments to the cards to help learners better understand the sentences. These comments should consist of short explanations ...

...with a strong technical background and a passion for teaching. The ideal candidate should have extensive experience in Azure data engineering and training delivery. What We Need From You as a Recruiter: Identify and vet qualified freelance or contract candidates who meet the following job requirements. Manage the recruitment process, from sourcing to presenting a shortlist of top candidates. Ensure candidates are skilled and motivated to handle the responsibilities outlined below. Candidate Responsibilities (For Your Recruitment): Design and deliver comprehensive training programs on Microsoft Azure data services, including Azure Data Factory, Azure Databricks, Azure SQL Database, and Azure Synapse Analytics. Develop course materials, ...

Looking for experience Server Admin to install Cyberpanel to Oracle Cloud that will host Wordpress sites. Key Tasks 1. Install & Setup CyberPanel to optimize for performance and security. 2. Install Wordpress 3. Msc - Setup SSL - Setup Mailer for Wordpress - Setup SFTP & SSH with Key If this is within your service, please confirm your offer and delivery time to get started once NDA signed.

...packages as well as individual flight and hotel bookings, with a primary focus on mobile optimization and a secondary focus on desktop usability. Key Requirements: Development of a user-friendly interface tailored for mobile devices, ensuring a seamless user experience. Design must adhere to a modern, minimalist aesthetic with a clean and professional look. Integration of functionality for vacation packages, individual flights, and hotel bookings. Preferred Front-End Tools and Technologies: We are looking for a developer experienced in state-of-the-art technologies to deliver a fast-loading, high-performing platform. The ideal candidate should be familiar with and proficient in the following: Svelte & SvelteKit: For efficient compilation, ...

I'm looking for a professional web scraper who can help me gather contact details from multiple Facebook groups. I specifically need: - Phone numbers, email and names - Data from more than 10 groups. The ideal candidate for this project should have: - Proficient skills in web scraping and data mining. - Prior experience with Facebook scraping is a big plus. - Ability to handle large datasets and ensure data accuracy. - Strong understanding of privacy and ethical considerations in data scraping.

...a company or an individual who can develop a Saas product for event organisers. It would include a CRM for businesses and a customer portal. It will have 30 pages with different functions and all pages should be responsive. Pages will include but won’t be limited to: Business portal/CRM - Registration. - Settings (with business info.) - Login. - Events (where businesses can see all there events) - Create an event. - Edit event. - Create a menu. - Event summary and food order. - Individual food order. - Exports to excel - Food orders(sorted by course and table). - seating management Customer portal - Register. - Login. - Register and create an event. - Login and create an event. - Customer profile page. - Future events. - ...

I'm looking for an ethical hacker to help identify security vulnerabilities in my web applications, with a primary focus on API security. Key Tasks: - Conduct a thorough assessment of my web applications to identify potential security threats and vulnerabilities. - Pay particular attention to the API security, as this is the primary focus area. - Provide a detailed report of findings and recommendations for security improvements. Ideal Skills: - Extensive experience in ethical hacking, specifically with web applications. - In-depth knowledge of API security. - Strong analytical skills to identify potential vulnerabilities. - Excellent communication skills for reporting findings and recommendations.

...of an ethical hacker to help me find a proof that my room mate has been monitoring on my phone and laptop. I know that he hacked into my system by creating a device adapter or some sort of software. I made the case visible to him but he is is still denying. So i want a proof that its him. - Web applications - Network infrastructure - Mobile applications After the assessment, I require only a summary of the vulnerabilities found, not a detailed report. Ideal candidates for this project should have: - Proven experience in ethical hacking - Proficiency in testing web applications, network infrastructure, and mobile applications - Ability to provide a concise summary of vulnerabilities This is a great opportunity for freelancers with a strong backgro...

...meets all of the requirements listed below. The recordings will be used for Text-to-Speech (TTS) research and development purposes and will not be broadcast or used in any public or paid media. Recording can be done in person or virtually. You can use your own recording software or our client’s recording platform. Scripts will be provided on a Google sheet with multiple tabs, with each tab including a separate script. Each Google sheet file will take approximately 10 hours to read with one recording file submitted per Google sheet tab. Each recording pair (you and your partner) can record up to 50 hours of audio. The recordings will need to be completed and submitted over the course of approximately five weeks. Payments will be issued for grou...

...skilled WordPress freelancer to help redesign a simple Wordpress Website. This project is part of a long-term effort to modernize and optimize our digital presence. Here’s a detailed brief: 1. Project Overview The goal is to revamp the website, making it visually appealing, responsive, and optimized for SEO. I will provide the design in Canva, and your role will involve implementing it into WordPress. Additionally, this is a long-term project, as I plan to integrate additional features (e.g., GDPR-compliant contact forms) over time. 2. Tasks to Be Completed Setup and Installation: Install and configure a new WordPress environment, preferably in a staging area. Import and link the content from the existing website into the new setup to m...

I'm looking for a developer proficient with CodeIgniter to enhance my project by adding a tag-based sub-category system to the existing course categories. This is a crucial upgrade aimed at improving the organization and accessibility of the courses within the platform. Key Requirements: - Implementation of a tag-based sub-category structure - Ensuring courses can belong to multiple sub-categories - Maintaining the current layout for displaying sub-categories on the course category page Ideal Skills and Experience: - Extensive experience with CodeIgniter - Previous work with course management systems - Proficiency in creating and implementing tag-based systems - Strong UI/UX understanding to maintain current layout seamlessly

I'm looking for a professional to develop a remote cellular door unlocker controlled via a Web API. The system should have the following features: - Control: The Web API should allow for unlocking and locking the door remotely. - Security: I need a robust encryption mechanism to secure the control system. - GPS: Needs to have a GPS module that periodically updates via the web API over cellular Ideal candidates should have experience in developing secure Web APIs and understanding of remote control systems. Please provide examples of relevant past work. Needs to be modular and all parts able to be sourced from AliExpress.

I'm looking for an experienced app developer to build a mobile app for both iOS and Android. The primary purpose of this app is social networking. Ideal candidates for this project should have: - Proven experience in developing cross-platform mobile apps. - Strong portfolio of social networking apps. - Excellent understanding of UI/UX design principles for social apps. - Ability to implement robust backend for user management and data security. - Knowledge of app store guidelines for both iOS and Android. The successful freelancer will be able to create a user-friendly, engaging, and secure social networking mobile app.

...surveys, and incorporating tamper-proof features to prevent data manipulation. Key Features: - Dynamic questionnaire customization for different locations - Automated report generation in Excel and PDF formats - Utilization of AI/ML tools to flag potential falsifications, ensuring high data integrity - Post-deployment scalability to incorporate new survey categories - Seamless integration capabilities The app should be compatible with both iOS and Android platforms. Although the specific users of the app have not been defined yet, it should be intuitive and accessible for field surveyors, supervisors, and admin staff. The primary objective of this project is to enhance survey efficiency, but the application should also contribute to improving data ...

I'm looking for an expert in ...informational/blog website. The project involves creating a user-friendly and appealing website that caters to blog readers. Ideal skills and experience include: - Proficiency in web development languages (HTML, CSS, JavaScript, etc.) - Experience in designing and developing blog or informational websites - Understanding of creating responsive and accessible web designs - SEO knowledge for content visibility - Familiarity with implementing security measures for a blog site. Please provide examples of similar projects you've worked on. Please Note:- I need web panel o collect phone number and name . Also submited one product all form and WhatsApp live chat botton in my web page. Offer price coun...

I'm looking for a professional vetting service in Littleton, Denver, Colorado, USA. The project involves verifying the authenticity of course certificates for pre-employment purposes. I need someone to: - Check the authenticity of the course certificates of potential hires - Ensure the institutions are accredited Ideal candidates for this project should have experience with education verification and a thorough understanding of how to assess the authenticity of course certificates.

I'm looking for an experienced mobile app developer who can integrate a password recovery system into my Android app. The project involves implementing an SMS verification code method for password recovery. Key Requirements: - Expertise in...who can integrate a password recovery system into my Android app. The project involves implementing an SMS verification code method for password recovery. Key Requirements: - Expertise in Android app development - Experience with implementing password recovery systems - Proficiency in working with SMS verification APIs - Ability to ensure high-level security and user privacy The goal is to make the password recovery process as seamless and secure as possible for the users. Please provide a portfolio of similar projects yo...

...secure, and tailored to our workflow. If feasible, the functionality can alternatively leverage the Project module to meet the requirements. Below are the details of the project: Requirements: Objective: Automate the creation of Sales Orders based on predefined fields such as customer aliases, products, and quantities. Implement a custom solution that integrates seamlessly into our existing Odoo instance. Ensure data security by replacing real customer names with aliases for users with restricted access. Key Features: Custom Module: Develop a custom Odoo module that captures the required data and generates Sales Orders efficiently. Alternative Implementation: Evaluate whether this functionality could also be achieved using Odoo’s Project module. If s...

I’m looking for a virtual assistant for some different tasks. Let me know if you are interested * Creating and managing company accounts (70%) * Messaging or calling live support on my behalf (20%) * Organize Calendars (10%) Working structure - I think the amount of work should vary - I expect to start you off with 2 hours per week, for 3 months. After the 3 months, I will evaluate your abilities and likely provide you with more responsibility and hours (likely will double) - In terms of pay structure, I think I something that works for me would be an hourly rate, along with a weekly minimum of 1.5 hour. Even if there is no work I will pay you for 1.5 hour even if you produce no work (minimum doubles after 3 months). With this arrangement, would prefer someone c...

Hello I have an Android VPN app that I want to publish on Google Play. Of course, this publication will be done with your account. Once the application is successfully published in the market and you've sent me all the necessary details and accesses to the developer account for permanent access, I'll approve the project. Also, my app's file and source code are ready, and you need to upload and sync them on the hosting I set up, and obtain the output file required for Google.

...PLAGARISM* Write a very well research paper around 16 (15 of actual research and last page of MLA citations) pages long single spaced sized 12 times new roman on any of these two topics with numerous diagrams and math and images. (MUST INCLUDE ALL SORTS OF DATA SUCH AS BULLET POINTS, TABLES, IMAGES, DIAGRAMS)....How can AI improve the accuracy of medical diagnoses using patient records while ensuring compliance with data privacy laws like HIPAA? Why? This question tackles two critical fields—healthcare accuracy and legal compliance—showcasing both technical and ethical awareness. It’s also highly relevant in today's healthcare systems, making it an appealing topic for academic journals. What role can AI play in detecting...

...translations at no additional cost. --- ■ Job Description Your task will be to develop and implement a cost-free automatic translation system for WPML by integrating it with free translation APIs such as Google Translate (Free) or DeepL Free. The system should seamlessly integrate into our existing WPML setup, ensuring smooth operations and accurate translations while minimizing costs. Key Requirements for API Integration: DeepL API for translations into English, Japanese, and Chinese (where supported). Google Translate API for other languages such as Thai, Hindi, and additional languages. The integration should detect the target language and dynamically select the appropriate API for optimal accuracy and cost management. --- ■ Req...

...the local, state, or national level. Can NOT be any of these John F. Kennedy, Robert F. Kennedy, and Edward M. Kennedy. OR any of from the attached list of common essay subjects. OR any from these two links of past recipients and senators Use these guidelines for Bibliographies and Citations: Requirements: Must be no more than 1,000 words but must be minimum of 700 words. Citations and bibliography are not included in the word count. Must have 5 sources at minium. Essay should NOT

...Page**: This will showcase my videography and color grading skills, featuring a display of videos from Instagram or YouTube that I've worked on. It will also include: - A section for client testimonials - An overview of my services - A modern and colorful design 2. **Color Grading Course Page**: This will be all text, outlining detailed information about my color grading course. 3. **Contact Page**: A simple, user-friendly contact form that collects: - Basic contact information (name, email, message) - A phone number field The form should be functional and easy to use. Additional Requirements: - A small 'Contact Us' plugin under the first and second pages - The overall site design should be colorful and...

Looking for experience Server Admin in Oracle Cloud for following tasks . Priority to bidder who can start immediately and complete soonest possible. Key Tasks - Setting up and optimizing security & performance of instances - Installing & Setting Coolify, Docker for WordPress and PostgreSQL - Configuration for SSL and Multiple Domains Bidder to present past works experience related to Oracle Cloud, Coolify & Wordpress setup to be shortlisted to receive task details after NDA signed.

I'm a small business seeking an initial consultation to identify gaps in our current ISO 27001 compliance and understand the steps needed for certification. We currently have comprehensive information security measures in place, but I want to ensure we're fully prepared for the certification process. The ideal freelancer for this project should have: - Extensive knowledge and experience with ISO 27001 - Ability to conduct a thorough gap analysis - Skills to provide actionable steps towards certification - Experience working with small businesses - Excellent communication skills to convey complex information in a clear, understandable way

(⚠️urgent project. please only bid if you’re passionate and available to work intensely) Key Steps: 1. Model Selection: Use open-source models like: • Text Only: LLaMA 2, Mistral, Mixtral, Falcon. • Multimodal (Text + Images): LLaVA, OpenFlamingo, Gemma, PixArt. 2. Dataset Preparation: • Gather proprietary text + file data for training. • Clean and preprocess data using tools like langchain and datasets. 3. Fine-Tuning: • Fine-tune the model using LoRA, QLoRA, or PEFT techniques for efficiency. • Use Hugging Face Transformers or Deepspeed for training. 4. Exporting the Model: • Save the model weights and tokenizers. • Convert to ONNX or TorchScript for optimized inference. 5. Self-Hosting: • Depl...

I run a small online business offering prep materials and courses for the SQE2 solicitor exam. I currently use Google Ads to attract customers, but I’m struggling to accurately measure purchase conversions and determine the true effectiveness of my campaigns. I’m looking for a Google Ads expert who can: • Audit my existing campaigns to identify areas for improvement. • Set up accurate conversion tracking to measure purchases and key actions effectively. • Optimise ad campaigns for better ROI and lower acquisition costs. • Provide data-driven recommendations to increase conversions and sales. • Offer clear insights on campaign performance through regular reporting. Ideal Skills & Experience: • Proven ex...

...Features: - Profile Creation: The website should allow both models and agencies to create their own profiles. This will help in fostering a community and providing visibility to the models. - Messaging System: A robust, secure messaging system is crucial for facilitating communication between models, agencies, and competition organizers. The registration process for users to apply for competitions will be through an online application form. Ideal Skills: - Web Development: Proficiency in web development is a must. - UX/UI Design: The website should be user-friendly and visually appealing. - Security: Given the interactive nature of the site, implementing strong security measures is imperative to protect user information and ensure safe...