Internetová bezpečnost Jobs

Internet Security is a highly important arena of information technology, which involves the prevention of data, systems and networks from malicious intrusions and other cyber attacks. An Internet Security Expert is tasked with employing a broad range of defensive and analytical measures to protect the confidentiality, integrity and availability of computer systems, networks and data. With their expertise in Information Assurance (IA), these professionals use their knowledge in cyber intelligence and counterintelligence, firewall protection, authentication mechanisms, intrusion detection systems (IDS) and much more to protect clients from cyber-attacks while keeping an eye out for potential weaknesses.

Here's some projects that our expert Internet Security Experts made real:

  • Developing security protocols for actors in online communications
  • Implementing technical solutions to protect company email addresses against malicious entities
  • Crafting secure networks for serviced-based organizations to ensure data cannot be manipulated or destroyed
  • Working on IT audits for data recovery companies to ensure their infrastructure is correctly documented with appropriate security measures in place.
  • Locating sources of hacker activity to make sure the client’s system or network remains safe from unauthorized access
  • Troubleshooting WordPress security issues to safeguard companies from hackers
  • Cleaning up any threats of malware and safeguarding websites against future infections.

As clearly illustrated by this list of projects, an Internet Expert can be a valuable asset to any organization that relies heavily on digital methods of communication. By enlisting the help of these experts, clients can protect their networks and data without wasting resources on ineffective solutions. And with Freelancer.com, clients can make use of its platform to find the professional whom they believe can make their dreams come true. So if you’re looking for an Internet Security Expert, feel free to post your project on Freelancer.com and start your journey running towards a secure future!

Od 65,919 recenzí, klienti hodnotí našeho pracovníka Internet Security Experts 4.82 z 5 hvězd.
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    28 zakázek nalezeno, ceny v EUR

    I'm in need of an experienced security developer who has expertise in handling AWS EC2 platforms and other AWS hosting services. There is a recurring problem of infiltration of malicious scripts which has put my project on standby. Despite some measures being in place, every preventive measure has seemingly failed and made the issue persistent. Your role would primarily involve providing recommendations relating to sorting out this malware issue. Your main tasks will include: - In-depth analysis of the existing system - Uncovering potential loophole(s) causing the malware infiltration - Providing effective security solutions and preventative measures Ideal Candidate: - Experience tackling malicious script infiltration - Comprehensive understanding of AWS EC2 security - Proficien...

    €77 (Avg Bid)
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    I am currently in a predicament of having forgotten my Gmail account password and require the expertise of a professional to assist in the recovery process. Key responsibilities and requirements include: • Prior experience with Gmail account recovery • Adept in Google's password recovery process • Must be responsive and patient in dealing with potential challenges • To include the demonstration of their past work in their application Please note: I am primarily interested in the freelancer's expertise and familiarity with Google's recovery process. I seek a trustworthy individual who possesses a thorough understanding of maintaining privacy and security during this job. The successful applicant will be handling sensitive information imperative to my ...

    €12 (Avg Bid)
    €12 Průměr. nabídka
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    I am currently experiencing persistent issues with my Wifi network connection - specifically, I am unable to connect at all. I was connected OK for past few years but a recent event ?? seems to have knocked out first my 5 connections so we could use the 2.4 .....but now the 2.4 has dropped out as well Task Overview: - Troubleshoot and resolve connectivity issues witnessed on computer devices. Ideal Profile: - Rigorous experience in troubleshooting network connectivity issues. - Detailed knowledge of Unifi network equipment. - Proficient in diagnosing and resolving complex network issues. - Good understanding of computer systems.

    €98 (Avg Bid)
    €98 Průměr. nabídka
    7 nabídky

    We're in need of a seasoned IT professional to fulfill two primary areas of expertise: Software Installation & Configuration: - Conduct the installation of our operating system. - Implement software installations and updates regularly. - Configure our email and communication tools effectively. Network Setup & Maintenance: - Manage the installation and configuration of network equipment. - Implement and monitor network security, enhancing our defense strategies. - Act upon any connectivity issues, thriving to establish efficient troubleshooting techniques. A successful freelancer for this role should have a solid experience with both software installation and network configuration, vigilance for network security and exemplifying problem-solving skills for troubleshooting. S...

    €6 / hr (Avg Bid)
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    I am currently experiencing some issues with my Linux server. I discovered it has been infected with malware, consequently raising serious security concerns. I'm seeking an experienced Linux server admin to conduct a thorough check. Key tasks will include: - Detecting malware on the server - Cleaning up any identified malware - Strengthening server security to prevent future malware infections The ideal candidate should have: - Proficient knowledge on Linux Server administration - Extensive experience in diagnosing and resolving malware issues - Strong understanding of server security measures Your expertise will be crucial for enhancing the security measures on my server and ensuring it's safe from future infections.

    €91 (Avg Bid)
    €91 Průměr. nabídka
    14 nabídky

    Security website expert Also let me know in what you are specialized

    €473 (Avg Bid)
    €473 Průměr. nabídka
    101 nabídky

    I am in need of an experienced technical analyst for a critical project focus on testing the security and load performance of my system. As part of the security testing, we'll require: - Penetration testing: The goal will be to identify weaknesses in my system that could be exploited by the attackers. - Vulnerability scanning: This will involve identifying, classifying, and prioritizing vulnerabilities in my computer systems. Moreover, the load testing should consist of: - Stress testing: I would like you to establish the breaking point of the system, understand how it fails, and analyze the results against the expected behavior. - Performance testing: The aim is to validate the responsiveness, speed, scalability, and stability of the system under various workloads. The ultimat...

    €420 (Avg Bid)
    €420 Průměr. nabídka
    11 nabídky

    I'm seeking a competent IT professional to carry out a secure setup of my Web Server. Key responsibilities will include: - Implementing an SSL Certificate to ensure secure transactions and data transmission. - Securing a Tridium Niagara server to support secure client accessing with SSL Certificate to ensure any client can access the server without being blocked by their own companies firewall and restrcitions The ideal freelancer for this project should have: - Extensive experience with server setups. - Proficiency in SSL Certificate implementation. - Familiarity with Tridium Niagara product but this item is not essential . Only clients with specifically granted permissions should have access; the level of client access to Tridium Niagara server features should be selective and ...

    €541 (Avg Bid)
    €541 Průměr. nabídka
    25 nabídky

    As a business striving to ensure strong security measures, I'm seeking a skilled penetration tester to meticulously evaluate and fortify our systems. Exact systems to be tested will be discussed subsequently. This role calls for: • Knowledge in testing web application, network infrastructure, and mobile applications (optional) • Ability to provide diligent and comprehensive reports • Proactivity in updating upon major discoveries and/or predetermined intervals. While no exact specification was provided regarding freelancer application content, it would be greatly preferred if applicants provided details about their past work, experience and project proposals.

    €35 (Avg Bid)
    €35 Průměr. nabídka
    6 nabídky
    Fortify Informational Websites 4 dní left
    OVĚŘENÉ

    I’m seeking an experienced cybersecurity specialist to secure my informational websites against hackers and malware. Key Responsibilities: - Implement robust security measures to fend off hacking attempts and prevent malware infections. - Prioritize the website's availability and uptime, ensuring the security protocols don’t interfere with the website's responsiveness and speed. Ideal Skills: - Extensive practical knowledge of website security best practices. - A solid understanding of hacker methodologies. - An ability to install and configure cybersecurity software. - Previous experience in protecting informational websites. Your role will be crucial in maintaining a secure digital environment that keeps my users' trust and consistently delivers content...

    €9 / hr (Avg Bid)
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    As an internet consultant, I'm dealing with a recurring issue where streaming services are working poorly on a Smart TV in my house. This problem particularly includes buffering and loading issues, disrupting the user experience. - Required Expertise: 1. Proficient in diagnosing and troubleshooting streaming issues in a domestic setting. 2. A strong understanding of different streaming services and smart TV architectures. 3. Prior experience squashing bugs related to similar networking problems. 4. Comprehensive knowledge on Social media marketing, SEO, and Website development alongside experience working with streaming devices. I look forward to resolving this issue and refining the overall user experience of streaming services in my home.

    €132 (Avg Bid)
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    After checking the command history we established that the root directory was linked to /var/www/html directory. Currently, in /var/www/html there is content but when we move it back to the root directory of your domain the access is restricted.

    €55 / hr (Avg Bid)
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    I need an IT specialist who can perform an ethical hacking on my home network system to alleviate my security concerns. Key responsibilities include: - Assessing and troubleshooting my home internet - Securing my Wi-Fi network from unrecognized access - Checking any suspicious activities on my devices - Preventing unwanted access to my personal information The devices connected to my home network include smartphones, computers/laptops, and smart TVs/streaming devices. Ideal skills for the job: - Strong experience in IT support - Knowledge of network setup and configuration - Proficiency in software and hardware installation - Solid background in ethical hacking and internet security. Let's ensure the security of my home network! I have a small home business where I work ...

    €132 (Avg Bid)
    €132 Průměr. nabídka
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    I'm urgently in need of a cyber security expert to guide me through my high-level educational assessments. Key Areas for Assistance: • Authentication • Access Control • Operating System Security • Vulnerabilities • Cryptography • Public Key Infrastructure • Threat Modelling Ideal Candidate Qualifications: • Demonstrated experience in network, information, and application security • Proven track record in dealing with the specified key areas • Ability to provide comprehensive, understandable guidance Please note that the timeline is critical and I need someone who can start immediately. Provide your experience and expertise in these areas. Looking forward to your bids.

    €83 (Avg Bid)
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    I'm looking for an experienced network engineer who can oversee the setup of a robust wired network. This project involves about 50 connected devices and requires sound knowledge of network architecture, hardware, and protocols to ensure optimal performance. 5000 sf office. 15 employees. VoIP, streaming Monitors, POE Security cameras, firewall, site to site vpn Most infrastructure are already in place: We have a Dream Machine Pro and Netgear switches wi fi is also ubiquiti NVR is NUUO Network and equipment already in place, needs to be optimized. Subnets, flans, managed switches…restrictions on traffic/access based on MAC or user… The physical infrastructure is already mostly in place and I can easily swap out a switch or run Cat 6 Located in Nashville, open to remote ...

    €49 / hr (Avg Bid)
    €49 / hr Průměr. nabídka
    18 nabídky
    Zeek/Bro Linux IDS Specialist 3 dní left
    OVĚŘENÉ

    I am in need of a specialist who is proficient in Zeek/Bro Intrusion Detection Systems (IDS) specifically on the Linux platform. Key Tasks: - Conducting comprehensive Traffic Analysis - Effective Log Management - Developing customized scripts - Reviewing and Implementing rules effectively The primary goal of this project is to: - Enhance our network's security - Develop strategies for the detection and prevention of cyber attacks - Improve our incident response capabilities Ideal Skills: - Profound knowledge and experience with Zeek/Bro IDS and Linux are paramount. - Solid track record in traffic analysis and log management - Experience with script development - Proven ability to review and implement rules effectively. - Familiarity with Cybersecurity policies and Incide...

    €148 (Avg Bid)
    €148 Průměr. nabídka
    23 nabídky

    My personal blog has fallen victim to malware attacks. Consequently, instead of the quality content I've labored to create, the site is redirecting visitors to other sites and displaying unwanted ads. Specifically, here are the tasks I want to be carried out: - Remove redirecting malware - Eliminate unwanted ads - Ensure the blog is safe for users Unfortunately, while I do have a backup, I am uncertain if it is free from malware. Ideal candidates should possess: - Extensive experience in malware removal - Knowledge in blog restoration - Proficiency in cybersecurity If you have these skills and can guarantee a clean, smoothly running blog post-project, please bid.

    €42 (Avg Bid)
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    I'm looking for a professional to assist in setting up a site-to-site VPN connection using an OPNSense as client to Cisco Router (Server) Please note that Cisco Router is already connected what you will work on is the OPNSense. The main reason is to facilitate secure data transfer between two sites. This connection is critical for us as we prioritize our network's security. Requirements: - Expertise in OPNSense configuration - Hands-on experience in setting up VPN connections - Great understanding of network security protocols - Capability to test and verify the secure data transfer Less than 1 hour

    €32 (Avg Bid)
    €32 Průměr. nabídka
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    Abstract: Quantum Key Distribution (QKD) stands as a promising avenue for secure communication, leveraging principles of quantum mechanics to establish secure cryptographic keys. However, QKD protocols are susceptible to errors induced by various noise sources inherent in quantum systems. This article delves into the application of error correction techniques to bolster the security and reliability of QKD protocols. Through a technical exploration of error correction methodologies such as syndrome decoding and cascade concatenation, this paper elucidates their role in mitigating errors and enhancing the robustness of QKD systems against eavesdropping attacks. Introduction: Quantum Key Distribution (QKD) has emerged as a revolutionary cryptographic paradigm, exploiting the fundamental prop...

    €241 (Avg Bid)
    €241 Průměr. nabídka
    6 nabídky

    I am in need for a seasoned IT professional who can provide top-tier support and maintenance for my company's Wide Area Network (WAN). The job predominantly revolves around: - Troubleshooting network issues when they arise. - Scheduled, routine maintenance of our WAN to guarantee optimal performance at all times. - In-depth understanding of firewalls, which are the primary equipment in our WAN. The perfect fit for this job should have extensive experience in managing and maintaining WAN, specifically with a solid understanding of firewalls. A keen knowledge of network security coupled with broad proficiency in network troubleshooting is also needed. Candidates who are certified network professionals will be given priority consideration.

    €21 / hr (Avg Bid)
    €21 / hr Průměr. nabídka
    34 nabídky

    I'm in need of a server manager with intermediate-level cybersecurity and Linux experience to effectively monitor the security of my server. Key responsibilities include: - Ongoing security monitoring of the server and Wordpress websites - Threat identification and mitigation - Advise on potential security upgrades - Ensure the safety of sensitive information It is essential for potential freelancers to understand the Linux operating system thoroughly, and have a sound understanding of server cpanel and Vesta Cp. The ideal candidate should bring a proactive approach to identify and fix security weaknesses, offering consistent updates and reports on server security status. Be patient honest and always willing to go an extra mile for longterm work relationship

    €49 (Avg Bid)
    €49 Průměr. nabídka
    17 nabídky

    I am seeking a highly skilled penetration tester to evaluate the possible vulnerabilities in my network and web applications. Key responsibilities: - Undertake white box testing on my network and web applications. - Conduct an extensive evaluation to identify all potential security weaknesses. - Proactively suggest robust security measures to handle identified vulnerabilities. The ideal candidate will be skilled in network testing, web application testing, and specialized in white box testing methodology. A strong ability to identify and rectify vulnerabilities is crucial for this assignment. Previous experience in similar security testing projects will be a significant advantage.

    €25 / hr (Avg Bid)
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    30 nabídky

    I’m in need of an expert in server security with a specific focus on Linux and Apache error logs. High-Level Requirements: - Know Linux in detail - Check Apache Error Logs and Security logs - Should understand why server down some times or lags after a while Key Skills: - Proficient in Linux security tactics and solutions - Strong knowledge of Apache and experience in analyzing error logs Experience: Freelancers who have extensive experience and expertise in server security are encouraged to apply. As we're dealing with sophisticated systems, I prefer an individual with a high level of expertise. Past experience, particularly dealing with Linux and Apache, will be the cornerstone of your application. Your experience is key, so please highlight your skills and success storie...

    €13 / hr (Avg Bid)
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    I'm looking for an exceptional expert in website penetration testing, especially in the cybersecurity field. My project focuses on user authentication, static analysis and issuing a detailed vulnerability report. Here's a bit more on what I need: - User Authentication Implementation: I require a simple, but highly secure username and password authentication method. I need the professional to build test this feature meticulously. - Comprehensive Penetration Testing: Significantly, the testing should essentially focus on identifying network vulnerabilities. A thorough assessment and identification of potential intrusions is highly demanded. In terms of skills, exceptional experience in penetration testing, cybersecurity and user authentication are indispensable. Extensive knowl...

    €343 (Avg Bid)
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    30 nabídky

    As the client, I require a proficient penetration tester to perform a Vulnerability Assessment and Penetration Testing (VAPT) on an undefined web application. The type of web application, whether it's developed or in progress and the technologies used have not been specified. Key Tasks: - Understand the architecture of the undefined web app - Identify potential vulnerabilities and assess security flaws - Undertake a range of penetration tests - Provide recommendations on security enhancements Ideal Skills: - Expertise in various VAPT tools and methodologies - Strong knowledge of web application architecture - Proficiency in identifying and mitigating vulnerabilities - Excellent problem-solving skills Experience: - Proven experience conducting penetration tests on web applicat...

    €19 (Avg Bid)
    €19 Průměr. nabídka
    12 nabídky

    As a keen organization looking to ensure our cyber security measures are fully proofed, we wish to invite experienced freelancers to conduct a detailed external penetration test on our network infrastructure. Our ultimate goals are to: - Identify any vulnerabilities within our system - Robustly assess the security measures we have already put in place on our network - Gauge the efficacy of our cybersecurity measures This project will require: - Deep understanding of cyber security and network system trends - Proven experience in penetration testing - Ethical hacking capabilities - Familiarity with both manual and automated testing tools Please bring forward your proficiency in providing comprehensive and detailed reports. We anticipate the information to be intricate, actionable, a...

    €1085 (Avg Bid)
    €1085 Průměr. nabídka
    25 nabídky

    I'm in need of an experienced Red Team to carry out an exhaustive assessment with three key objectives: * Identifying vulnerabilities * Assessing security controls * Testing incident response procedures Our primary area of concern is our internal network, and we're specifically targeting it for a thorough examination. Upon completion of the task, I require two types of reporting including: * An executive summary, outlining the key findings in a clear and succinct manner for high-level stakeholders * A detailed technical report, explaining in-depth findings, suitable for our IT department Ideal candidates for this project will have extensive experience in Red Team assessments with a focus on internal network security inspection. Your professional acuity in practical pr...

    €406 (Avg Bid)
    €406 Průměr. nabídka
    32 nabídky
    Linux Server administrator -- 2 8 hodiny left
    OVĚŘENÉ

    I am seeking a server administrator with a strong background in Hestia Control and Linux to focus primarily on ensuring server security. As part of this role, the specialist will be held responsible for: - Investigating potential security vulnerabilities within our server - Proposing and implementing necessary measures to fortify server security While the requirement does not particularly target any specific area of security, a comprehensive understanding of all aspects of server security, from firewalls to data encryption, will be regarded as an asset. Experience with warding off hacking attacks is particularly desired. Candidates who are skilled in configuring email accounts or setting up domains and databases, while not a mandatory requirement for this project, will be preferred. Of gr...

    €32 (Avg Bid)
    €32 Průměr. nabídka
    20 nabídky

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