Computer Security Consultants для найму
Показано 140 результатів
Спонсовані фрілансери
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Пенетраційне тестування, Цифрова криміналістика, Комп'ютерна безпека, Розробка технічних документів, Консалтинг з криміналістикиI am a Cybersecurity, Digital Forensics, and Threat Intelligence professional with extensive experience supporting Law Enforcement, corporate security teams, legal counsel and high risk private investigations. I specialize in handling complex, sensitive, and technically challenging cases ranging from cybercrime and...I am a Cybersecurity, Digital Forensics, and Threat Intelligence professional with extensive experience supporting Law Enforcement, corporate security teams, legal counsel and high risk private investigations. I specialize in handling complex, sensitive, and technically challenging cases ranging from cybercrime and financial fraud to advanced infrastructure OSINT, cloud security assessments, and forensic malware analysis. My work spans end-to-end digital investigations, incident response, and security testing across Web, Mobile, and critical infrastructure. I combine deep technical capability with defensible reporting standards, ensuring every engagement produces clear, actionable, and legally sound intelligence. Recent engagements include: • OSINT & Infrastructure Mapping of mirrored domain networks, CDN/proxy-shielded assets, and cross-platform digital footprints • Grey-box Application & API Security Assessments using commercial toolsets and structured re-validation cycles • Malware & Ransomware Behaviour Analysis, forensic triage, and evidence acquisition across Windows, Linux, and cloud workloads • Telegram OSINT, account attribution, and disruption-oriented investigations • Remote compromise investigations involving lateral movement, clipboard-based file drops, and email access • CCTV/Wireless Network Security Testing, IoT risk evaluations, and hardware-linked forensic collection • Digital evidence reconstruction for violent-crime video analysis, fraud, and identity misuse cases. Core Expertise • Digital Forensics & Evidence Recovery • Incident Response & Malware Behaviour Analysis • Cybercrime, Financial Fraud & Threat Attribution • OSINT, Infrastructure Recon & Digital Footprint Mapping • Penetration Testing (Web, API, Mobile, Cloud & Wireless) • Secure Architecture Reviews (On-Prem & Cloud) • Cloud Security (GCP, Kubernetes) • Forensic Reporting & Legal Documentation Support My mission is to translate complex technical investigations into clear, strategic outcomes whether restoring organizations after a targeted breach, exposing and documenting coordinated cyber threats, supporting law enforcement with defensible evidence, or strengthening security environments to prevent future attacks. менше
Найняти kajal1992
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engkarimismail engkarimismail
$50 USD / год.
✅ Senior Network & System Engineer | Security|VOIPMalaysia✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in...✅ About Me I am an experienced IT professional with expertise in server administration, networking, virtualization, and security. My skill set spans managing server operating systems, configuring directory services, implementing DNS/DHCP solutions, and deploying virtualization platforms. I have a strong background in firewalls, scripting, containerization, and database management. Additionally, I specialize in mail servers, backup systems, and cloud technologies. With advanced networking skills, including Cisco routing, VLAN management, VoIP/IP telephony, and penetration testing, I am well-equipped to handle complex IT infrastructures. I am dedicated to delivering reliable solutions, ensuring data integrity, and enhancing system performance. ✅Send me now 24/7 Availability Unlimited Revisions Fast Response ✅ Server Operating Systems Windows Server (2003 to 2024) | Ubuntu | CentOS | Debian | RHEL ✅ Directory Services Active Directory | OpenLDAP ✅ DNS and DHCP Windows Server DNS | DHCP | Linux DNS | DHCP ✅ Virtualization Microsoft Hyper-V | VMware ESXi | vCenter | Proxmox VE ✅ File Servers IIS FTP | proftpd | FileZilla | FTP Server | Samba ✅ Web Servers Apache | NGINX | Microsoft IIS ✅ Scripting and Automation PowerShell scripting | Bash scripting ✅ Containers Docker | Windows Subsystem for Linux (WSL) ✅ Backup Systems Veeam Backup | Iperius Backup | UrBackup ✅ Mail Servers Mailcow | Microsoft Exchange (2000–2019) | MailWizz | Postfix | EXIM ✅ Database Servers MySQL | PostgreSQL | MariaDB ✅ Firewalls and Security MikroTik | PFSense | Cisco Firewalls ✅ Networking Skills Cisco Routing and Switching | VLANS | OSPF | VoIP and IP Telephony | Network Penetration Testing Access Control Lists (ACLs) Security (MITM Attack Mitigation) ✅ Recovery Services Password recovery for accounts and routers | Disaster recovery planning ✅ VOIP Service Freepbx | freeswitch | CME | IP TELEPHONY | 3CX SYSTEMS ✅ Cloud Service AWS, DigitalOcean, Hetzner, Azure, Google Cloud Platform, IBM Cloud, Oracle Cloud, Alibaba Cloud, Contabo, Seva менше
Найняти engkarimismail
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ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3,...ZAWN Tech is a trusted software company founded in 2014, delivering complete digital solutions for startups and enterprises worldwide. Our certified developers combine deep technical knowledge with real-world project experience to build fast, secure, and scalable systems. Core Expertise Blockchain: Metaverse, Web3, NFTs, NFT Games, Smart Contracts, Arbitrage & Sniper Bots, DEX / DApp Development (Ethereum, BSC, Polygon, Solana, WAX). Web & SaaS Development: Full-stack using React, Node.js, Laravel, Django, and Next.js. Integration with Odoo, Bubble.io, Zoho, and Webflow. eCommerce: Shopify, WooCommerce, Magento, and custom marketplace platforms with payment, shipping, and ERP integrations. Mobile Apps: Native and cross-platform (Flutter, React Native, Android, iOS). AI & Computer Vision: Chatbots, GPT integrations, TensorFlow, OpenCV, and OCR systems. Game Development: Unity 3D, Unreal, and WebGL with multiplayer, blockchain, and AR/VR support. Trading & Financial Automation: MT4/5, TradingView, Binance, Interactive Brokers, and algorithmic trading bots. Hardware & IoT: Arduino, Raspberry Pi, ESP32, MATLAB, embedded control, and automation projects. With 200+ recommendations and over a decade of experience, we turn complex ideas into reliable, production-ready solutions — delivered with clear communication and long-term support. менше
Найняти AwaisChaudhry
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With over 10 years of experience in cybersecurity, I specialize in protecting businesses and individuals from cyber threats. I've worked across industries such as finance, healthcare, and retail, helping clients secure their digital infrastructure with tailored solutions. What I Can Do for You: Web Application...With over 10 years of experience in cybersecurity, I specialize in protecting businesses and individuals from cyber threats. I've worked across industries such as finance, healthcare, and retail, helping clients secure their digital infrastructure with tailored solutions. What I Can Do for You: Web Application Penetration Testing I uncover vulnerabilities like SQL injection, cross-site scripting (XSS), and authentication flaws, ensuring your web applications are secure from attacks. Network Security Assessments I assess your network infrastructure, identifying weaknesses in firewalls, routers, and internal systems to prevent unauthorized access and data breaches. Cloud Security Audits I review your cloud setup to ensure proper configurations, access control, and encryption, keeping sensitive data secure. API Security Testing I help secure your APIs by identifying vulnerabilities like broken authentication, authorization flaws, and data exposure. Mobile Application Security Testing I analyze your mobile apps for security issues, such as insecure data storage and weak encryption, ensuring a safe experience for your users. Forensics & Malware Analysis I investigate suspicious activity and malware across networks, PCs, and mobile devices. My forensic analysis helps track and eliminate threats while providing insights into how the attack occurred and how to prevent future breaches. Vulnerability Scanning & Reporting I provide thorough vulnerability scans and deliver detailed reports with prioritized recommendations, helping you fix issues efficiently. Security Hardening I implement best practices in secure coding, encryption, and multi-factor authentication to protect your systems from future attacks. Compliance & Risk Assessments I ensure your business meets industry compliance standards, such as GDPR, HIPAA, and PCI DSS, while improving your overall security posture. Why Clients Choose Me: Proven Expertise With over 10 years of experience, I’ve secured businesses of all sizes and industries, delivering real results that prevent cyberattacks and strengthen defenses. Tailored Solutions Every business has unique security needs, and I customize my services to fit your specific requirements, ensuring the best protection. Actionable Reporting I don’t just identify risks—I provide easy-to-understand, actionable recommendations so you can address vulnerabilities immediately. Ongoing Support I offer continuous support and guidance, helping you stay ahead of evolving threats and ensuring your security remains strong. Let’s Work Together: Whether you need penetration testing, forensic investigation, malware analysis, or ongoing security assessments, I’m here to help. Let’s discuss how I can provide tailored security solutions to protect your business from cyber threats. менше
Найняти ahad47
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Hi, I’m Top 1% freelancer committed to keeping your digital world safe, secure, and unstoppable. With years of hands-on experience as a Cyber Security Analyst and SOC Analyst, you get tailored solutions that transform vulnerabilities into strengths and risks into confidence. From penetration testing and vulnerability...Hi, I’m Top 1% freelancer committed to keeping your digital world safe, secure, and unstoppable. With years of hands-on experience as a Cyber Security Analyst and SOC Analyst, you get tailored solutions that transform vulnerabilities into strengths and risks into confidence. From penetration testing and vulnerability assessments to threat intelligence, malware analysis, and incident response, I deliver cyber solutions that help businesses thrive without disruption. I don’t just apply generic fixes I design tailored security strategies that protect critical data and future-proof systems against evolving threats. With a background in ethical hacking, digital forensics, and compliance (ISO 27001, NIST, CIS, HIPAA), I cover the full spectrum of cyber defense. Whether it’s risk assessments, SOC monitoring, or advanced defense deployments, my approach is proactive, precise, and focused on long-term resilience. Why Choose Me? ✅ Elite Expertise: Cyber Security, SOC Analysis, Ethical Hacking, Linux Hardening & Forensics ✅ Battle-Tested Skills: Proven results in penetration testing, incident response, malware analysis, and SOC operations ✅ Cutting-Edge Tools: Kali Linux, Nessus, Metasploit, Burp Suite, Wireshark, Shodan, Maltego, EnCase, FTK, SIEM (Splunk, QRadar, Wazuh) ✅ 24/7 Availability: Cyber threats don’t sleep — and neither do I when it comes to real-time response ✅ Proven Results: Secured clients in finance, healthcare (HIPAA compliance), government, e-commerce, and enterprise sectors 🔧 My Specialized Services 🛡 Penetration Testing & Vulnerability Assessments (OWASP Top 10, ISO 27001, HIPAA, CASA Tier 2) 🕵️ Threat Intelligence & Dark Web Recon (Shodan, Maltego, TOR-based cyber investigations) 🔬 Incident Response & Forensic Support (FTK, EnCase – breach investigation, malware analysis) 📊 Risk Assessment & Threat Modelling (STRIDE, DREAD, MITRE ATT&CK, OWASP Threat Dragon) 🔒 SOC Monitoring & Network Security (SIEM, Firewalls, IDS/IPS, Endpoint Security, Compliance) ⚡ Advanced Security Testing & Problem Solving: - SIEM Tools: Wazuh, QRadar, Splunk - Testing: Black Box, Gray Box, White Box - Cloud & Compliance: NIST, CIS, HIPAA - Application Security: DAST, SAST, OWASP Top 10 - Vulnerability Scanners: Acunetix, Invicti, OWASP ZAP, Nessus, MSF (Metasploit) - Manual Testing & Tailored Problem Solving 🏆 What You Get Working With Me ⚡ Lightning-fast 24-hour response time ⏱️ 💬 Clear & transparent communication – no jargon, just results 🛡 Custom cyber defense strategies that go beyond compliance and deliver real-world protection 🔥 Whether you face complex challenges, tight deadlines, or ambitious goals, your success will be secured every step of the way. 👉 Together, we’ll turn complexity into simplicity and goals into results. менше
Найняти RomanSattar
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I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and...I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and implement medium and large scale enterprise networks. - Expertise of VPN technologies such as, OpenVPN, IPsec, L2TP, PPTP, SSL, etc. - Routing technologies RIP, OSPF, EIGRP, ISIS, BGP, etc. - Switching technologies VLANs, STP, VTP, Etherchannel, HSRP, etc. My hands-on experience, - Cisco routers (ASR 1K & 9k, 2900, 2800), Switches (Nexus 9000, Nexus 7000, Nexus 3000, CAT 6500, CAT 3750, CAT 2900, SG- 300, SG-500) and Firewalls (ASA 5505, 5506x). - Palo Alto 220, 550, 850 and 3200 and Fortigate 100E, 200E and 800E Firewalls. - Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei routers NE-40, NE5000E and Switches Quidway S2700 and S5300. - HP Switches procurve 3500 and procurve 5900. менше
Найняти AhmedMFakkar
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Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are...Senior Systems & Security Engineer with 15+ years in enterprise-grade IT. I design, harden, and operate high-availability infrastructure, and I streamline delivery with automation and clean processes. My focus: reliability, security, and clear documentation—so changes are low-risk and handovers are effortless. Strengths: Infrastructure architecture & operations (Linux/Windows, virtualization, networking) Security hardening, identity & access, monitoring/observability Automation & DevOps practices (CI/CD, config management, IaC) Migrations and upgrades with minimal downtime Concise runbooks, risk-aware planning, and stakeholder-friendly communication Certifications: CompTIA Security+, Microsoft MCSE/MCSA/MCITP Languages: English (C2), German (C1), native Romanian Location: Germany • NDA-friendly • Reliable and responsive менше
Найняти iosifpeterfi
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I’m Brayan Arias — known by my clients as ⭐ The Coding Machine ⭐. I’m a Senior .NET Developer from Colombia with 10+ years of experience building powerful, scalable, and intelligent software solutions. My expertise spans the Microsoft ecosystem — from .NET (WPF, MAUI, Blazor, ASP.NET Core) to Azure cloud...I’m Brayan Arias — known by my clients as ⭐ The Coding Machine ⭐. I’m a Senior .NET Developer from Colombia with 10+ years of experience building powerful, scalable, and intelligent software solutions. My expertise spans the Microsoft ecosystem — from .NET (WPF, MAUI, Blazor, ASP.NET Core) to Azure cloud integration, AI-powered applications, and system-to-system integrations that help businesses automate, optimize, and grow. I pride myself on clear communication, clean architecture, and delivering solutions that delight clients and make a measurable impact. Whether you need to modernize a legacy app, integrate Azure services, or leverage AI to enhance productivity, I’m ready to bring your vision to life. Let’s build something amazing together — reliable, intelligent, and designed to impress. менше
Найняти brayanstiven5
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Написання дослідницьких робіт, Написання звітів, Розробка технічних документів, Бізнес-аналіз, БухгалтеріяBringing the Human Touch to Research & Academic Excellence In an AI-driven world, quality research still demands a human touch, deep insight, intellectual rigor, and analytical precision. That’s exactly what I bring to every project. With 10+ years of experience, I specialize in all types of research, dissertations,...Bringing the Human Touch to Research & Academic Excellence In an AI-driven world, quality research still demands a human touch, deep insight, intellectual rigor, and analytical precision. That’s exactly what I bring to every project. With 10+ years of experience, I specialize in all types of research, dissertations, journal articles, and reports across diverse disciplines. Whether it’s business, economics, psychology, or social sciences, I deliver meticulously researched, well-structured, and publication-ready content. Academically, I am a BSc. in ACCOUNTING and an MA in Economics with expertise in statistical software: Excel, SPSS, STATA and R. Skills and Experience: - Excellent research and writing skills and expertise in different academic formatting styles - Familiarity with different literature and scholarly sources - Access to credible databases: PubMed, Web of Science, EBSCO, and JSTOR - Proficiency in designing and conducting research studies and expert in qualitative and quantitative data collection methods and analysis - Excellent communication and report writing skills to effectively communicate findings and insights - Ability to work efficiently and meet strict deadlines Beyond research, I conduct Statistical & Data Analysis. I provide advanced statistical analysis to support research in psychology, business, social sciences, and other fields. My proficiency includes: • Psychometric Analysis – Developing and validating measurement tools, scale construction, and reliability testing. • Factor Analysis – Identifying underlying variables in complex datasets and assessing data structure. • ANOVA & T-tests – Comparing means and testing hypotheses to determine statistical significance. • Regression Analysis – Exploring relationships between variables for predictive modeling. • Reliability & Validity Testing – Ensuring consistency and accuracy in research findings. • Surveys & Experimental Research – Designing, analyzing, and interpreting qualitative and quantitative surveys. I don’t just deliver research, I craft insightful, data-driven, and publication-ready work that elevates academic and professional projects. Let’s collaborate to produce exceptional research that makes a lasting impact! менше
Найняти NoelReubenMuturi
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Your search for the perfect freelancer ends here! As a computer engineer with over two decades of experience in the mainstream IT industry, I can deliver a wide range of hi-tech services including: ✅ Linux system administration (Ubuntu, Debian, Red Hat, CentOS, and more) ✅ Cloud computing (AWS, GCP, Oracle Cloud,...Your search for the perfect freelancer ends here! As a computer engineer with over two decades of experience in the mainstream IT industry, I can deliver a wide range of hi-tech services including: ✅ Linux system administration (Ubuntu, Debian, Red Hat, CentOS, and more) ✅ Cloud computing (AWS, GCP, Oracle Cloud, DigitalOcean, Azure, and more) ✅ Hosting control panels (cPanel/WHM, Plesk, Webmin/Virtualmin, DirectAdmin, and more) ✅ Website, server, and email migration ✅ Cybersecurity consulting ✅ Malware removal and security hardening ✅ Various CMS and E-commerce solutions and troubleshooting (WordPress, Joomla, Shopify, osCommerce, Zen Cart, Magento, MediaWiki, phpBB, and more) I work solo, and known among peers for my fast turnaround time and ability to fix difficult problems. Where others have failed, I will succeed. ✌️ My credentials include multiple certifications from Google, Cisco, AWS, cPanel, Plesk, CompTIA, MongoDB, (ISC)², Fortinet, and more. These certifications reflect hundreds of hours of training and real-world practice, making me uniquely qualified to handle your IT challenges. As of 2014, I am part of the Preferred Freelancer Program, the elite top 1% on this platform. As of 2022, I am a Freelancer Ambassador, tasked with special duties including moderating the community groups. My timezone is GMT +6, though I work round-the-clock to cater the needs of my clients in over 80 countries worldwide. My U.S. clientele alone spreads across 37 states. Click on the "Contact" button now to get started. If I have bid on your project, just click that "Award" or "Chat" button. I look forward to working with you! Notes for my first-time clients: ☑️ I have undergone a thorough and rigid identity verification process to receive the blue verified badge. This makes me more trustworthy when dealing with confidential data. ⛔ I do not work through remote access software such as TeamViewer or AnyDesk. ⛔ I do not "Accept" projects until verifiable login credentials are provided and verified. менше
Найняти Ekushey
