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I'm concerned my personal computer may have been hacked. I've noticed slow performance but haven't installed any new software or updates recently. I'm looking for someone to: - Check for signs of unauthorized access - Analyze and improve system performance - Ensure all security measures are up to date Ideal skills and experience: - Expertise in cybersecurity - Experience with performance optimization - Familiarity with various operating systems Please provide a detailed plan of action and any relevant certifications.
Projekt-ID: 40132771
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32 Freelancer bieten im Durchschnitt $146 USD für diesen Auftrag

Project Title: PC Security Audit Needed Project Description: I'm concerned my personal computer may have been hacked. I've noticed slow performance but haven't installed any new software or updates recently. I'm looking for someone to: - Check for signs of unauthorized access - Analyze and improve system performance - Ensure all security measures are up to date If you choose me, Farooq, for the project, your PC's security will be in the hands of a seasoned cybersecurity expert and system administrator. Over my decade-long career, I have become adept at identifying and mitigating cyber threats. My vast experience working with various operating systems has honed my ability to adapt and solve problems uniquely for each environment, ensuring no malicious activity goes undetected. Clients appreciate my 24/7 availability and prompt response time. When securing your computer, time is of the essence, so you can be assured of timely updates on your project's progress as well as a detailed plan of action based on any identified issues. Your data privacy is sacred to me; I conduct even routine tasks with utmost care. Remember, cyber threats evolve rapidly, but with me by your side, you'll have lifelong protection. Let's get started!
$140 USD in 3 Tagen
7,1
7,1

With almost 15 years in the cybersecurity industry, my skills and experience align perfectly with your project needs. As a Certified Ethical Hacker and Penetration Tester, I'm well-versed in the complex challenges of digital security. My certifications, including those in Windows Security & Forensics and Web Application Security, give me a deep understanding of various operating systems and potential vulnerabilities. More than just a technician, I am determined to provide excellent service to my clients. I approach every project with precision and thoroughness, exploring every nook and cranny of your systems to identify and fix any issues. The ample toolset that I bring to the table includes BurpSuite Professional, sqlmap, nmap, Metasploit, OpenVAS, and Mimikatz to just name a few - this allows me to explore your computer fully for any occupations or signs of unauthorized access. In addition to safeguarding your personal PC from unauthorized intrusions, I will also ensure that your system is optimized for peak performance. So if you want sound judgment from a seasoned expert committed to protecting your digital assets from emerging threats, let's work together.
$250 USD in 7 Tagen
7,5
7,5

Equipped with over a decade of comprehensive experience in network and system administration, I, A.K.M. Tohidur, am the perfect fit for your PC security audit project. I hold several notable certifications including CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH). Not to forget my ingenious use of simulation software such as Packet Tracer and GNS3 that'll ensure an accurate analysis of your system. In addition to my strong proficiency in cybersecurity measures and performance optimization, my familiarity with various operating systems is paramount - Windows, Linux or Mac, rest assured your PC will receive comprehensive auditing. But what really sets me apart is my effectiveness at sniffing out unauthorized access and providing efficient solutions for optimum security. My track record speaks for itself. With me on the job you can expect not just a PC health check-up but also a judicious reformation of security measures plus detailed post-audit report outlining steps taken and preventive measure suggestions. Choose me and let's reclaim your peace of mind through robust security!
$140 USD in 1 Tag
6,8
6,8

Hi there, I'm an IT Professional with over 7 years of hands-on experience in Server, Network, Firewall, AWS, Virtualization, Google Workspace, Scripting, Migrations, Office365 & IT Support. I would love to assist you in this. Please drop me a text in chat box to discuss further. I hope to talk to you soon. Thank you!
$44 USD in 1 Tag
5,4
5,4

Drawing from my 7+ years of experience in cyber security, including extensive work in penetration testing and vulnerability assessments, I can confidently say that I'm the top choice for your project. While your specific concern revolves around a possible security breach, my expertise doesn't stop at checking for unauthorized access. I pride myself on delivering holistic solutions, honing my skills in the rigorous world of ethical hacking. Over the years, I've neutralized high-risk exploits and saved various businesses millions with my meticulous approach rooted in industry-standard methodologies. My familiarity with cutting-edge tools like Invicti, Nessus, Nmap, OpenVAS, and Qualys ensure effective assessment of your system's vulnerabilities. Furthermore, I believe in actionable reports - not just pointing out the problems but also providing detailed roadmaps for their remediation. In addition to security issues, you've also mentioned a drop in system performance. With my strong command over various operating systems and expertise in performance optimization, I'll ensure that your system not only becomes secure but also runs smoothly and efficiently. My track record speaks volumes; I've resolved over 50 critical vulnerabilities and have been certified by renowned institutions like CEH, OSCP, PNPT, CISSP, eWPT.
$150 USD in 1 Tag
5,5
5,5

With nearly a decade of experience in the expansive field of IT, I'm pleased to introduce myself as the right candidate for your PC security audit. Specialist in internet security and proficient across various operating systems, I can amplify your personal computer's defenses, drive out unauthorized access, and elevate its overall performance. On top of that, my journey has been marked by the double licensed certifications Cisco and RedHat standing testament to my skills. To address your particular concerns, let me break down how I'll approach your project. First, I'll conduct an extensive sweep of your system to pinpoint any signs of intrusion or unauthorized access. Then, leveraging my sound knowledge of performance optimization, I will streamline and fine-tune your PC ensuring it runs at peak without any needless sluggishness. Wearing the hat of Active Directory Management and Remote Desktop Server specialist exemplifies my competence at managing sensitive and critical aspects that pertain even remotely to systems' security. These are skills I intend to put to use for fortifying your PC as well. Rest assured that a meticulous analysis followed by substantial enhancements across multiple fronts shall leave no window for any potential security threat. Choose me, KISHOR, with confidence for proactive cybersecurity measures, experience across various OSs and consistent dedication to exceptional service.
$150 USD in 1 Tag
5,1
5,1

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$80 USD in 3 Tagen
3,9
3,9

Hi there, I’m submitting a bid for your project and would love to offer my professional services. With my experience, I’m confident in delivering high-quality results tailored to your project requirements. Feel free to message me to discuss the full scope and budget. View my Freelancer portfolio and client reviews: https://www.freelancer.com/u/Feriver Looking forward to connecting with you. Best regards, Asif Nawaz
$250 USD in 2 Tagen
3,8
3,8

I’m a Senior Systems Administrator with 12+ years of experience in PC security audits and system performance optimization. I understand your concern unexpected slowness can sometimes indicate security or system-level issues. What I’ll do: Check for signs of unauthorized access or hidden malware Review running processes, startup items, and system logs Analyze and improve system performance safely Ensure all security settings, firewall, and updates are properly configured You’ll receive a clear summary of findings, actions taken, and practical recommendations to keep your system secure going forward. I work carefully, respect privacy, and avoid unnecessary software or risky changes. Happy to start after confirming your OS (Windows/Linux) and any other symptoms you’ve noticed.
$75 USD in 3 Tagen
2,8
2,8

That specific slowdown you are noticing even though you haven't installed anything new is usually the number one sign of a hidden background script or a miner stealing your system resources. While many people might just run a basic automated virus scan and hope for the best, that approach often misses the hidden threats that actually cause the lag. I take a different approach because I do this manually. I will dig into your system processes to find exactly what is hiding there and remove it completely. My plan is simple. First I cut the access to whoever might be watching. Then I scrub the system clean and optimize your settings so your computer runs faster than it did before. Finally I will lock everything down so you are safe in the future. I will also compile a simple PDF report for you at the end. This will show you exactly what I fixed and give you a checklist for the future so you don't have to hire another freelancer for maintenance again. I handle the security, the speed boost, and the future protection all in one go. Let's chat so I can get your PC running smooth again.
$65 USD in 2 Tagen
0,0
0,0

Hello, I am a strong fit for your project. I understand that you need help specifically with checking for signs of unauthorized access, and my focus is delivering a clean, professional, and seamless solution that works reliably. I specialize in building user-friendly, integrated, and automated solutions that enhance security and optimize system performance. While new to Freelancer, I bring extensive real-world experience in cybersecurity and system diagnostics with multiple successful projects completed off the platform. I prioritize clear communication and practical results to ensure your computer runs safely and efficiently. Do you already have a preferred timeline or tools you’d like me to work with? I would love to chat more about your project! Regards, Keagan
$200 USD in 14 Tagen
0,0
0,0

I can perform a comprehensive security and performance audit of your PC to identify any signs of unauthorized access, malware, or system misconfigurations that may be causing slow performance. My approach includes: System Security Audit Scan for malware, viruses, and spyware using advanced tools. Check for unauthorized accounts, unusual logins, and remote access. Review firewall, antivirus, and system updates to ensure protection. Performance Optimization Analyze startup programs, running services, and resource usage. Clean temporary files and optimize disk and memory usage. Identify and resolve software conflicts or bottlenecks. Recommendations & Reporting Provide a detailed report with findings. Suggest improvements for ongoing security and performance.
$30 USD in 1 Tag
0,0
0,0

Hello, I understand your concern about possible unauthorized access and slow system performance. I have 9+ years of experience in cybersecurity and system administration and can help identify whether your system has been compromised. I will: Check for signs of unauthorized access or malware Analyze system performance issues Ensure all security settings and updates are properly configured I will also provide a clear summary of findings and recommendations. Looking forward to assisting you. thanks
$140 USD in 7 Tagen
0,0
0,0

Hi, I saw you run a personal computer security and performance project, and it caught my eye because I recently secured a client’s system, eliminating unauthorized access and boosting performance by 30%. I understand the project guidelines and I’ve developed a workflow that ensures deadlines are met without sacrificing the quality of the final output. I run a small creative team and our skill set matches your project’s requirements, including cybersecurity expertise, performance optimization, and cross-platform support. I’m available to hop on a chat or exchange messages to discuss how we can get started on this immediately. When would be a good time for us to connect? Regards, Bjork Bronkhorst
$200 USD in 7 Tagen
0,0
0,0

Thank you for reaching out. I’m a cybersecurity professional with extensive experience designing, implementing, and operating secure IT environments across enterprise and regulated industries. My background spans security engineering, architecture, and operations, with hands-on involvement in areas such as secure remote access, identity and privileged access management, network security, endpoint security, logging and monitoring, and audit-ready system design. I have worked with both cloud-hosted and on-premise platforms, supporting internal users as well as external-facing systems. I focus on practical, production-grade security—configurations that are stable, least-privileged, well-documented, and easy for operational teams to maintain. Whether the requirement is deploying a security tool, tightening access controls, enabling secure remote workflows, or validating audit and logging capabilities, my approach emphasizes reliability, clarity, and minimal operational friction. ws, and compliance expectations, and I prioritize clean delivery without unnecessary complexity or scope creep. If you’re looking for someone who can own the technical details, communicate clearly, and deliver a secure, production-ready outcome, I’d be glad to discuss your requirements further.
$140 USD in 7 Tagen
0,0
0,0

Hello, I can assist with a full security and performance assessment of your computer. My approach includes checking for unauthorized access, scanning for malware and vulnerabilities, reviewing system logs, and optimizing performance settings. I’ll also ensure all security patches and protections are up to date. I have strong cybersecurity experience, system performance optimization expertise, and work across multiple operating systems. Relevant certifications and a clear action plan can be provided on request. Kind regards, Roderick
$140 USD in 7 Tagen
0,0
0,0

Before proceeding, I’d like to understand a few details so I can provide the most effective solution: Are you open to subscribing to a paid anti-malware/antivirus solution, or do you prefer to rely on freeware security tools only? This helps determine the level of protection and long-term stability we can achieve. Please share the computer’s serial number (if you’re comfortable). This allows me to check the device age and hardware generation, which directly affects performance and the best optimization approach. Could you also let me know what symptoms or events led you to believe the system was infected (e.g., slow performance, pop-ups, unauthorized programs, browser redirects)? This helps identify the infection source and prevent recurrence.
$100 USD in 7 Tagen
0,0
0,0

Hello, I understand how concerning it can be when a personal computer suddenly slows down and you suspect a possible security issue. I can help you perform a thorough security audit to identify any signs of unauthorized access and restore your system’s performance and safety. Plan of Action Initial assessment – review system behavior, logs, startup items, and running processes Security checks – scan for malware, spyware, backdoors, unauthorized users, and suspicious network activity System hardening – ensure OS, firewall, antivirus, and security settings are properly configured and up to date Performance analysis – identify causes of slowness (CPU, memory, disk, background services) and safely optimize Verification & guidance – confirm system integrity and provide clear recommendations to prevent future issues I work carefully on personal systems, avoiding risky changes, and I explain every step so you understand what is happening and why. Support will be provided remotely with clear, step-by-step guidance. Why Me Experience in computer security, system administration, and performance tuning Practical, non-destructive approach (no unnecessary tools or guesswork) Clear communication and detailed findings summary after completion I can complete the audit within 5–7 days, including analysis, fixes, and final recommendations. Looking forward to helping you secure and stabilize your system.
$150 USD in 4 Tagen
0,0
0,0

Hello, I’d like to help investigate and secure your system. I have experience diagnosing potential security incidents on personal computers, identifying signs of unauthorized access, and restoring system performance in a safe, controlled manner. My approach is methodical and non-destructive: I focus on verification first, then remediation, and finally system hardening to prevent recurrence. I also explain each step clearly so you understand what’s happening on your system. Below is my general plan of action. I’m happy to tailor it once I understand your operating system and current symptoms. Plan of Action: Initial assessment of system behaviour and recent activity Check for indicators of compromise (processes, startup items, accounts, network activity) Malware and persistence checks using trusted tools Performance analysis to identify abnormal resource usage Security updates, configuration review, and hardening recommendations Final summary with findings and next-step guidance I prioritize system safety, data integrity, and clear communication throughout the process. Please let me know your operating system and availability so we can begin. Best regards, Kaine
$30 USD in 1 Tag
0,0
0,0

I am working as an cyber security engineer at leading BPO and usually work with such kind of things and troubleshooting and can help in optimising system and to check if any unauthorised access happened
$140 USD in 7 Tagen
0,0
0,0

Sacramento, United States
Mitglied seit Jan. 9, 2026
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