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高级威客
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About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is...About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, DMARC. Monitoring systems: Nagios, zabbix, cacti, grafana. SMS: SMSC, Kannel DNS: Bind, Djbdns, Dnsmasq. VPS: Vmware, Hyper-v, Proxmox, bhyve, kvm, xen, openstack.. Containers: docker, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done 收起
雇用 servermaster
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✔️Certified at Windows Security & Forensics ✔️Certified at Ethical Hacking ✔️Certified at WEB APP SECURITY FUNDAMENTALS ✔️Certified at Website Hacking / Penetration Testing Main Skills: Penetration Testing, Web Application Security. Social Engineering, Red team assessment, Ethical Hacking & Countermeasures,...✔️Certified at Windows Security & Forensics ✔️Certified at Ethical Hacking ✔️Certified at WEB APP SECURITY FUNDAMENTALS ✔️Certified at Website Hacking / Penetration Testing Main Skills: Penetration Testing, Web Application Security. Social Engineering, Red team assessment, Ethical Hacking & Countermeasures, Vulnerability Assessment, Malware Analysis and server Security Hardening. My core competency lies in performing black and gray box testing, on the live web applications/networks or in lab environments.I am familiar with all common attack vectors and mitigation techniques, as well as finding unknown to public exploits known as 0days in web applications. Even though most of my work is confidential I can share vulnerability assessment sample. I have experience in vulnerability assessment for PCI & HIPAA Compliance. 收起
雇用 srmukul2
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My name is Constantin, I am 24 years old, and I am an active young man with high moral values who strives to bring the interaction between the client and me to a new level. I'm a tech enthusiast and company owner in Delaware, you can partner with me on the items below and more. Cybersecurity and Information Security...My name is Constantin, I am 24 years old, and I am an active young man with high moral values who strives to bring the interaction between the client and me to a new level. I'm a tech enthusiast and company owner in Delaware, you can partner with me on the items below and more. Cybersecurity and Information Security Skills: ✅Understanding of cybersecurity principles, protocols, and best practices. ✅Knowledge of different attack vectors, vulnerabilities, and common security threats. Pentesting Skills: ✅Proficiency in penetration testing methodologies, tools, and frameworks. ✅Ability to simulate various cyber-attacks to identify vulnerabilities in systems and applications. Static Application Security Testing (SAST) Skills: ✅Experience in using SAST tools to analyze source code for security vulnerabilities. ✅Understanding of common programming languages and their security implications. AWS Security Skills: ✅In-depth knowledge of AWS services, architecture, and security features. ✅Familiarity with AWS security best practices, including IAM policies, access controls, encryption, and logging. Threat Modeling Skills: ✅Ability to create detailed threat models for AWS infrastructure, applications, and data. ✅Knowledge of threat modeling methodologies and tools to identify potential security threats and vulnerabilities. Networking and System Administration Skills: ✅Understanding of network protocols, firewall configurations, and secure network design. ✅Skills in configuring and securing operating systems and services. Risk Assessment and Mitigation Skills: ✅Capability to assess risks associated with identified vulnerabilities and security threats. ✅Proficiency in proposing effective mitigation strategies and security measures. Communication and Reporting Skills: ✅Clear communication skills to explain security findings, risks, and recommendations to stakeholders. ✅Ability to produce detailed and organized reports outlining the security assessment results and suggested improvements. Continuous Learning and Keeping Updated: ✅Cybersecurity is a dynamic field; staying updated with the latest threats, vulnerabilities, and security technologies is crucial. 收起
雇用 creatixclick
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Hi, My name is Imran Ali working as a Freelance Developer, Coder & Designer for last 15+ years. Completed hundreds of projects on Freelancer. Basic Services Overview: Hacked Websites Recovery: ----------------------------- Can clean malware and fix hacked websites + Apply Security, Firewall for...Hi, My name is Imran Ali working as a Freelance Developer, Coder & Designer for last 15+ years. Completed hundreds of projects on Freelancer. Basic Services Overview: Hacked Websites Recovery: ----------------------------- Can clean malware and fix hacked websites + Apply Security, Firewall for Wordpress Responsive Websites Development: ------------------------------------------------- -- Static Websites (HTML/CSS) -- Dynamic (PHP/MYSQL) -- Wordpress (New Theme Dev, Customizing Themes) Error Fixing: -------------- Can fix bugs/errors on HTML/PHP/WP sites. Scraping Data: ------------------- Use PHP to scrap websites & store data in TXT/CSV/HTML/WP. Content Writing: --------------------- Well researched, Unique, SE friendly, Copyscape passed articles Design: ----------- Logos, Icons, Brochures, Cards, Letter-Heads Designing Amazon/Adsense Websites: ------------------------------------- Amazon Affiliate & Adsense Websites To Earn Money Online Search Engine Optimization: -------------------------------------------- On-Site and Off-Site SEO for more traffic & Higher Conversions 收起
雇用 imranphp
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✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete...✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH Cloud and Digital Ocean ✅VMware ESXi, VMware Workstation, VirtualBox, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration (Windows Server 2008, 2012, 2016, etc.), Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python 收起
雇用 touhidecevw
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Experienced Network Expert with over two decades of proven success in architecting, deploying, and optimizing robust network infrastructures for diverse international enterprises including campus networks. Demonstrated proficiency across a comprehensive range of networking technologies, encompassing routing protocols,...Experienced Network Expert with over two decades of proven success in architecting, deploying, and optimizing robust network infrastructures for diverse international enterprises including campus networks. Demonstrated proficiency across a comprehensive range of networking technologies, encompassing routing protocols, MPLS, VPNs, SDNs, WAN, LAN, WiFi and cloud networking. Skilled in managing server hardware and diverse operating systems including Windows, Linux, and OS X. I am proficient coding in Python, Powershell and BASH, and have extensive experience generating management and C-Level reporting with the likes of Python, PowerPoint and PowerBI. Given my scientific background I am also able to work in systems like Wolfram Mathematica and Wolfram Alpha. Renowned for ensuring network security, compliance, and operational efficiency while driving strategic initiatives to meet organizational objectives. Passionate about delivering superior solutions that exceed client expectations. 收起
雇用 JonJoensen
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I'm a Professional WordPress Developer, Speed Optimizer & Bug Fixer. My Skills Are As Follows: ✅ WordPress Website Design/Development/Updating :- I will design and develop a professional, eye-catching & modern WordPress website :- 100% Mobile Responsive :- Customized Design :- Supporting Page builders like...I'm a Professional WordPress Developer, Speed Optimizer & Bug Fixer. My Skills Are As Follows: ✅ WordPress Website Design/Development/Updating :- I will design and develop a professional, eye-catching & modern WordPress website :- 100% Mobile Responsive :- Customized Design :- Supporting Page builders like Elementor, Divi, WP bakery, Oxygen etc My Speciality : ✅ WordPress Speed Optimization :- I will optimize site to make it load under 2 seconds of loading time. :- 90%+ Score & Well optimize on Google page speed ( Mobile + Desktop ) :- A+ Grade on Gtmetrix for permanent :- I optimized almost 800+ websites and gave my clients 100% satisfaction ✅ WordPress Bug Fixing :- I will quickly fix any type of issue on a WordPress Site. (Theme issues, Plugins conflicting, Fatal error, Update issue, Cache issue, Cloudflare issue, 5xx timeouts, 4xx errors, Critical error, Database error, WooCommerce issues, Malware attack, Japanese keywords, Website Transfer, SEO issue, Website down, Menu Issues & Many More...) ✅ Why Hire Ali A? :- 5+ years experience in WordPress, PHP, CSS, HTML/HTML5, Javascript, ETC :- 100% Client Satisfaction :- Excellent Communication (availability - 24/7) :- Fluent in English/Spanish and ready to start as asked. 收起
雇用 AliAsif4856
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بسم الله الرحمن الرحيم Programmer at day.. Ethical hacker at night.. What I do : @Cyber Security: Web Applications Security, Penetration Testing, API Security, Mobile Applications Security, Software Security, Malware Removal, Systems Hardening, Server Security, Digital Forensics, NGFW solutions(FortiNet,...بسم الله الرحمن الرحيم Programmer at day.. Ethical hacker at night.. What I do : @Cyber Security: Web Applications Security, Penetration Testing, API Security, Mobile Applications Security, Software Security, Malware Removal, Systems Hardening, Server Security, Digital Forensics, NGFW solutions(FortiNet, pfSense,Palo Alto), Physical Security Consultancy @System Administration: Linux/Unix-like systems, MS Windows servers, Performance Optimization @Web Development: WordPress, Joomla, Drupal, Shopify. @Virtualization/Containerization: VMWare, Xen, VirtualBox, Docker. @Web Scraping/Automation: BeautifulSoup, Selenium. @Programming/Scripting: Python,Perl,Bash,Batch,PowerShell,VBA,AutoHotkey. @Other Services: Data Recovery, Speed Optimization, and SEO. @Trading: Deriv/Binary Bot Development. I DO NOT PROVIDE BLACK HAT SERVICES. ما شاء الله لا قوة إلا بالله 收起
雇用 AhmadSameer
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A highly focused Frontend and Backend developer with 10+ years of experience in a variety of development projects. Organised, methodical and a keen eye for detail results in solid coding and trustworthy programmes. Understanding client requirements and communicating the progress of projects are core values in...A highly focused Frontend and Backend developer with 10+ years of experience in a variety of development projects. Organised, methodical and a keen eye for detail results in solid coding and trustworthy programmes. Understanding client requirements and communicating the progress of projects are core values in achieving long lasting business relationships. 收起
雇用 Speedycom
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Hello There! As an experienced Cyber Security Analyst, I specialize in safeguarding the confidentiality, integrity, and availability of digital assets. With a profound grasp of industry-recognized cyber security standards and best practices, my expertise extends to cyber threat intelligence, forensic analysis, and...Hello There! As an experienced Cyber Security Analyst, I specialize in safeguarding the confidentiality, integrity, and availability of digital assets. With a profound grasp of industry-recognized cyber security standards and best practices, my expertise extends to cyber threat intelligence, forensic analysis, and deep web exploration. By leveraging tools such as Tor, Maltego, and Shodan, I identify and mitigate hidden cyber threats, crucial for fortifying your cyber security defenses and guiding your decision-making process. As a proficient Ethical Hacker, I employ state-of-the-art methodologies and tools, including Kali Linux, Nessus, Metasploit, and Wireshark, to conduct comprehensive security evaluations. My approach to ISO 27001 Penetration Testing and assessments against the OWASP Top 10 Vulnerabilities ensures thorough identification of security weaknesses and the formulation of effective remediation strategies. With expertise in data forensics using EnCase and FTK, I offer insights that empower you to make strategic, data-informed decisions. I empower clients to strengthen their digital environments against cyber threats through the implementation of advanced security measures, including Firewalls, Intrusion Detection/Prevention Systems (IDS/IPS), and robust encryption protocols. My knowledge of CASA Tier 2 standards enhances the resilience of cyber security solutions. Offering Specialized Services In: Comprehensive Incident Response Planning and Cyber Security Risk Analysis aligned with the OWASP Top 10 framework. Advanced Threat Modelling utilizing tools such as Microsoft Threat Modeling Tool and OWASP Threat Dragon, With comprehensive DREAD & STRIDE Analysis. Detailed Cyber Security Audits, leveraging industry-leading tools like Qualys and SolarWinds Penetration Testing and Vulnerability Discovery, employing Burp Suite and OWASP ZAP for in-depth analysis Advanced Cyber Defense Mechanism Deployment, meeting CASA Tier 2 and ISO 27001 standards Strategic Cyber Security Enhancement Recommendations, tailored to the latest industry trends and standards Collaborating with me guarantees prompt responses, transparent communication, and a commitment to a 24-hour turnaround time. ⏱️ Let's elevate your cyber security together. Reach out to discuss how I can customize my services to meet your specific needs. Thank you for considering my profile :) 收起
雇用 RomanSattar
