网络安全 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!

从66,497个评价中,客户给我们的 Internet Security Experts 打了4.83,共5星。
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    33 份搜到的工作,货币单位为 HKD

    Ideal candidates for this project are individuals who have expertise in identifying and resolving javascript infections Our Django website is occasionally linking to a pirate site instead of the intended location. This issue seems to be sporadic and is most probably due to a javascript infection. We use several javascript loaded by CDN. Given the sporadic nature of the issue, we need someone who can investigate the problem

    $734 (Avg Bid)
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    As a client, I'm in need of a few highly skilled red teamers to demonstrate that administrative level access can be gain on hardened targets. Key Requirements: - The primary goal of this project is to discover any potential weaknesses in the security of the network environment and gaps in the cybersecurity infrastructure's configuration. - We need to show the SOC how their security products can be bypassed. Ideal Skills and Experience: - Proven experience in red teaming. - Solid understanding of common security vulnerabilities and how they can be exploited. - Strong problem-solving skills and the ability to think like a cyber attacker. - Proficiency in using various pentesting tools and frameworks (metasploit, cobalt strike, sliver). This is a critical project and requir...

    $187 / hr (Avg Bid)
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    For our client we are currently looking for a IT Security Officer (m/f/d) for a Project 100% remote from Poland Location: Poland Start: 03.06.2024 Volume: full-time Duration: Until end of the year Your Skills - Technical degree (preferably in IT) or senior IT Security experience and knowledge of IT security and infrastructure concepts, foundations, frameworks, and processes - A solid understanding of security best practices and relevant standards such as ISO2700, NIST CSF/RMF, PCI DSS - Risk and Security governance knowledge and experience - Basic knowledge of applicable laws/regulations pertaining to areas of responsibility - Advanced knowledge of organization, technology controls, security, and risk issues - Demonstrated ability to participate in complex, comprehensive, large p...

    $344 / hr (Avg Bid)
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    My website was hacked by original creator, to have pop-up ads and some uneditable pages. Your task: - Fix the hacking issues: Remove all malicious code and scripts, close any backdoors. - Remove pop-up ads: Cleanse the site from any redirecting or intrusive pop-ups that are appearing. - Resolve editing issue: Investigate why some pages cannot be edited and make necessary fixes. Ideal skills for this task: - Proficiency in WordPress and its ecosystem. - Experience in handling hacked websites and removing malware. - Familiarity with identifying and resolving issues that block page editing. - Ability to implement security measures to prevent future hacking incidents.

    $359 (Avg Bid)
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    We are looking for a highly skilled AWS expert with a strong background in security to help us implement necessary security features in our AWS environment. Our goal is to enhance our security posture and ensure our infrastructure is as secure and hackproof as possible. Responsibilities: Assess the current security setup of our AWS environment. Identify potential security vulnerabilities and areas for improvement. Implement best practices for AWS security, including but not limited to: Configuring Identity and Access Management (IAM) policies and roles. Setting up and managing Security Groups and Network Access Control Lists (NACLs). Enabling AWS CloudTrail and AWS Config for continuous monitoring. Implementing encryption for data at rest and in transit. Setting up Multi-Factor Authentic...

    $203 / hr (Avg Bid)
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    As I haven't specified my exact needs within cybersecurity, I am seeking a wide-ranging professional who can aid in several potential areas. These areas may include network security, data encryption, and password management, among others. Ideal skills and experience: - Extensive knowledge and experience in various aspects of cybersecurity. - Prior experience conducting cybersecurity audits and implementing security measures. - Demonstrated experience protecting sensitive data, securing network infrastructure, and preventing cyber attacks. The specific services needed will be outlined upon further discussion with the successful bidder. Flexibility and adaptability to meet my unique cybersecurity needs are a must.

    $320 / hr (Avg Bid)
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    I'm in need of a technical writer deeply versed in multiple cyber security technologies including Network Security, Encryption, Intrusion Detection, Firewalls, Threat Intelligence, End Point Protection, Email Gateways, Vulnerability Management, Data Leakage, and Identity & Access Management. Your task will be to lay a comprehensive proposal for enhancing current cyber security measures. Key Responsibilities: - Analyzing current solutions and methodologies - Providing well-informed recommendations Your work will primarily target technical experts in the field. Hence, specialized knowledge, an excellent grasp of industry jargon and familiarity with all mentioned technologies should reflect in your writing. This is vital to ensure the content reaches and caters to our intended aud...

    $3523 (Avg Bid)
    保密协议
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    I need an expert in Cybersecurity, particularly with a focus on Network Security and Data Protection to assist me with my small network infrastructure. The project will require: - Setting up robust security measures for my small network infrastructure, ensuring that all devices are protected from cyber threats. - Implementing the best practices for data protection to avoid any security breaches or data loss. - Providing ongoing monitoring and support to ensure the security of my network and data is upheld over time. The ideal candidate for this project should have: - Extensive experience in cybersecurity, particularly with network security and data protection. - A proven track record of setting up and maintaining secure network infrastructures. - The ability to provide ongoing monitoring...

    $2421 (Avg Bid)
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    As a small business currently utilising MS365, we are seeking a professional who can seamlessly integrate Microsoft InTune into our setup. Primarily, we need assistance with: - The enrolment of devices - Application management - Setting up policies for the security of our company information The ideal freelancer would have: - Extensive experience with MS365 - Outstanding knowledge and skills in Microsoft InTune - Ability in device enrolment and application management tasks. Overall, we are looking for a capable, committed applicant to elevate our MS365 capabilities by seamlessly integrating and managing Microsoft InTune.

    $3726 (Avg Bid)
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    Looking for an expert in Chronicle SIEM to provide a detailed training to a team of approximately 11-20 participants. The team is currently at a beginner level of understanding with the system, and we require thorough training on specific areas. Key Features to focus on: - Log Analysis and Investigation - Threat Detection and Response - Customization and Configuration The ideal freelancer should have extensive experience in teaching or delivering training sessions, as well as deep knowledge and proficiency with Chronicle SIEM. He/she should be able to tailor lessons to beginner levels and progressively increase complexity to ensure comprehensive understanding among participants. Your competency will guide this team from being novices to becoming competent users of Chronicle SIEM...

    $539 / hr (Avg Bid)
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    Hi, I have a small company project on this topic, and I only do this for personal project previously. Now I need to know more, so if anyone can tell me more on NGFW, how to prevent sniffing through network management, and how to see any potential breach on cloud/on premise through logs. Thank you for any application.

    $203 (Avg Bid)
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    As the owner of an advanced security level website, I am seeking professional hacking services to conduct thorough penetration testing. The key focus areas would be: - User Authentication Process: Probe for any weak links in our login and authentication systems. - Data Encryption: Assess the robustness of our data encryption protocols. - Server Security: Evaluate potential weaknesses in our server security. Ideal applicants would have significant experience with Python-based hacking tools and a proven track record in cybersecurity. Knowledge of advanced security measures and the ability to recommend improvements after testing is highly desirable. Please provide evidence of your skills and previous work in your application. Make sure your proposals are competitive yet fair.

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    Trophy icon Linux IP Forwarder Development 12 小时 left

    I'm looking for a skilled developer who can create an IP forwarder for Linux. Key Requirements: - The IP forwarder should support Linux as its primary operating system. - I need the forwarder to efficiently handle load balancing, traffic routing, and network security. Ideal Skills: - Experience in Linux system programming and networking is a must. - Understanding of load balancing and network security principles. - Ability to create a reliable and efficient software without the need for a graphical user interface.

    $78 (Avg Bid)
    加保
    $78
    2 项参赛作品

    I'm in need of a web security expert with comprehensive knowledge in Secure Coding Practices. Ideally, you'll have: - Proficient experience in Python, Java, or C++ - Look for a programmer, web developer, or cybersecurity person who has experience in authenticating accounts or experience using Burp Suite tools.

    $320 / hr (Avg Bid)
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    I am reaching out to find a qualified individual with extensive experience in Cyber Security Governance, Risk, and Compliance (GRC) who is capable of working remotely for my business. We are looking for a professional who can effectively manage risk assessments, ensure compliance ,write policies and procedures, and develop robust security policies, all while working from a remote location.

    $945 (Avg Bid)
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    I'm looking for someone to help me enhance my knowledge of cybersecurity, specifically network security. Key Project Requirements: - I'm aiming to get to an advanced level of understanding in cybersecurity, so the ideal freelancer will have strong skills and experience in this area. - In terms of areas of cybersecurity, I'm particularly interested in network security. The ideal candidate should be able to tailor their lessons and practical activities to focus on this niche. - This is a personal learning project, so the freelancer should be patient and able to explain complex concepts in an understandable way. Ideal skills and experience: - Proven expertise in cybersecurity, ideally with a focus on network security. - Experience in teaching or tutoring in this field would...

    $102 / hr (Avg Bid)
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    I currently have a server running on Windows that requires expert configuration and data migration from its current software, PAPER MC and FABRIC. In addition to this, I want to ensure that my system is secure and optimized via effective security measures. The project specifics are as follows: - Detailed setup and configuration of the server. - Seamless data migration from the existing software i.e., PAPER MC and FABRIC. - Effective measures to enhance and optimize server security. The ideal candidate for this project should have: - Profound knowledge and experience in Windows server configuration. - Solid track-record of successful data migrations with minimal downtime. - Expertise in implementing advanced server security measures. - Familiarity with PAPER MC and FABRIC is a plus. ...

    $31 / hr (Avg Bid)
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    I'm looking to install a high-speed fiber internet connection for my home. The primary use of this connection will be for streaming and entertainment purposes, so a high-speed connection is crucial for ensuring a smooth and uninterrupted experience. Key requirements: - Installation of a home fiber internet connection with a speed tier of at least 1 Gbps - Optimization for streaming and entertainment purposes Ideal skills and experience for the job: - Proven experience in installing home fiber internet connections - Familiarity with various speed tiers and their implications for different types of internet usage - Ability to optimize internet connections for specific purposes, in this case, streaming and entertainment

    $94 / hr (Avg Bid)
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    I urgently need a specialist to install a firewall for a small network of 1-50 devices. The primary purposes of this firewall are to protect our network from external threats and monitor the network traffic. Skills/Experience Required: • Proficiency in network security and firewall deployment • Ability to handle small-sized network architectures • Strong understanding of network traffic monitoring With your bid, please include your experience with similar size networks and your ability to work quickly to meet this urgent need.

    $3718 (Avg Bid)
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    I'm experiencing unauthorized accounts being opened with my information all across various websites most of which I’ve never heard of or visited. Also there’s nonstop access to my existing online accounts and noticing suspicious activity on my devices. While I've taken measures on some accounts to secure them, it's not enough and I need professional intervention. The compromised accounts include apps, social media, GPS and financial. The activity on my devices sparks concern, particularly regarding showing activity in my history I did not do and I'm looking for expert guidance I have already wiped my device multiple times and have even gone as far as establishing all new digital identifiers such as new phone number, email, and Apple ID to no avail. ...

    $430 / hr (Avg Bid)
    本地
    $430 / hr 平均报价
    3 个竞标
    Cibersecurity App/Software 2 天 left
    已验证

    We want to delelop a cibersecurity software/app to Sell to other companies that can check each computer and device, as also as detect treaths to the company network/devices like e-mails, apps, and suspicious content that puts the company security in Treath.

    $9654 (Avg Bid)
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    I'm looking for a skilled professional who can help me secure my Linux server and SMTP setup. Key Requirements: - Deep experience with Linux server security measures and best practices. - Proficient in securing SMTP servers and ensuring authentication is managed effectively. - Capability to implement SSL/TLS encryption for enhanced security. Your application should focus on detailing your experience in this field. Please provide relevant examples of previous projects where you've successfully secured similar systems.

    $125 / hr (Avg Bid)
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    23 个竞标

    As part of my endeavor to secure my systems, I am seeking an ethical hacker to primarily focus on data security. By extensively exploring the potential weaknesses and vulnerabilities, your primary goal will be to prevent unauthorized access. Here's what I require: * In-depth evaluation and analysis of our data security framework * Identification of any potential vulnerabilities and security loopholes * Devise strategies to fortify the data security dimensions against malicious hackers The ideal candidate should possess: * Extensive experience in ethical hacking and data security * Strong analytical skills and a keen eye for spotting weaknesses and vulnerabilities in data security * Ability to devise actionable strategies to address the identified issues Rest assured, full acce...

    $18879 (Avg Bid)
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    12 个竞标

    I'm in need of a network engineer with expertise in the Local Area Network (LAN) infrastructure for troubleshooting and optimization. Key Tasks: - Install, rack, and stack a Cisco Catalyst 8300 series device. This includes unboxing, physical mounting, and initial power-on to ensure the device is operational. - Network Troubleshooting: The freelancer should be able to identify and rectify any issues affecting the LAN's performance. - Installation: If necessary, the engineer should help in the setup of new equipment or software for the network. Ideal Candidate: - Proven experience in LAN network design and architecture. - Strong troubleshooting skills and experience in network optimization. - Good knowledge of network security will be a plus. Please note that the project invol...

    $86 / hr (Avg Bid)
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    14 个竞标

    My WordPress website was recently defaced, and I'm seeking a professional to resolve the issue and prevent future occurrences. Key Tasks: - Investigate: Conduct a thorough review to understand how the defacing occurred and identify any vulnerabilities. - Repair: Fix the defaced content and restore the site to its original state. - Security Enhancement: Implement robust security measures to prevent similar incidents in the future. Skills and Experience: - Strong understanding of WordPress and its security vulnerabilities. - Proven experience in website security and hacking prevention. - Ability to investigate and resolve issues efficiently. - Good communication skills to explain the situation and preventive measures. I'm looking for a diligent professional who can not only rect...

    $70 / hr (Avg Bid)
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    160 个竞标

    I'm in need of a network engineer with expertise in the Local Area Network (LAN) infrastructure for troubleshooting and optimization. Key Tasks: - Install, rack, and stack a Cisco Catalyst 8300 series device. This includes unboxing, physical mounting, and initial power-on to ensure the device is operational. - Network Troubleshooting: The freelancer should be able to identify and rectify any issues affecting the LAN's performance. - Installation: If necessary, the engineer should help in the setup of new equipment or software for the network. Ideal Candidate: - Proven experience in LAN network design and architecture. - Strong troubleshooting skills and experience in network optimization. - Good knowledge of network security will be a plus. Please note that the project invol...

    $289 / hr (Avg Bid)
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    28 个竞标

    I'm seeking a skilled professional who can help me with a malware issue affecting multiple websites I own. - All my websites are experiencing the same type of malware. - The primary issue I'm facing is the presence of the malware on the websites. The ideal candidate for this job should have the following skills and experience: - Proven experience in malware removal and website security. - Familiarity with various malware scanning tools. - Implement security measures to avoid future attack

    $617 (Avg Bid)
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    Need An Experienced Developer 1 天 left
    已验证

    Need and experienced developer who is experienced in all aspects of ethical hacking and cyber security I need to test the security of our sites once built as well.

    $2140 (Avg Bid)
    $2140 平均报价
    7 个竞标

    As an established business with an existing cybersecurity infrastructure, I'm seeking a skilled and experienced cybersecurity expert to provide me with dedicated support on a daily basis. The ideal candidate will be available from 9am to 5pm EST, Monday to Friday. Key Responsibilities: - Consultation and assistance in network security, application security, and data protection. - Monitoring and enhancing existing cybersecurity infrastructure. Ideal Skills and Experience: - Profound knowledge and practical experience in network security, application security, and data protection. - Previous experience in managing and improving cybersecurity systems for businesses. - Strong understanding of cybersecurity best practices and compliance standards. - Excellent communication and problem-so...

    $180 / hr (Avg Bid)
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    20 个竞标

    at "" I'm seeking a professional who can provide Marketing and sales for my Cloud and Cybersecurity Architecture services Ideal Skills: - Proven experience in Cloud Infrastructure design and Cybersecurity. - Proficiency in Cyber Threat Intelligence Analysis. - Demonstrated success in developing effective Security Strategies. - Previous experience working with small organizations is a plus. Please provide relevant samples of your previous work and outline your approach to addressing our unique needs.

    $117 / hr (Avg Bid)
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    8 个竞标

    I'm seeking a highly skilled cybersecurity expert with a deep understanding and experience in international banking and financial transactions. The main tasks include cybersecurity assessment, penetration testing, and fraud detection. Your primary focus will be on our online banking platform and payment gateways, ensuring that these areas are secure from potential cyber threats and vulnerabilities. We want you to prioritize three key security aspects: network security, data encryption, and user authentication. Your expertise should include: - In-depth knowledge of international banking and financial systems and transactions - Proven experience in cybersecurity assessment, penetration testing, and fraud detection - Specialization in online banking platforms and payment gateways - S...

    $441448 (Avg Bid)
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    Linux Server Maintenance 7 小时 left
    已验证

    Hello^^^^. I'm using Amazon AWS and would like to request server maintenance. First of all, I would like to ask you to do as much as possible for server security and privacy, such as SSL installation, automatic backup once a day, DDOS attack prevention, system performance optimization, hacking prevention, encryption between data transmissions, real-time monitoring, data recovery, backdoor checking, backdoor checking and deletion of compromised files, attack root identification and blocking, suspicious process occupation identification and recovery, server hacking analysis, server access history tracking, password recovery and complexity setting, virus and malicious software checking,,data leakage prevention.....etc My current monthly budget is about $50, Please send me a proposal/ch...

    $1008 (Avg Bid)
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    28 个竞标

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