网络安全 Jobs

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关于 网络安全

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59,393个评价中，客户给我们的 Internet Security Experts 打了4.9，共5星。
雇佣 Internet Security Experts
关于 网络安全

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59,393个评价中，客户给我们的 Internet Security Experts 打了4.9，共5星。
雇佣 Internet Security Experts

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    7 找到工作
    Network Penetration Testing Specialist
    6 天 left

    I'm seeking a skilled penetration tester to evaluate the security of our network infrastructure. The testing should cover: - Firewalls and Routers - Wireless Networks - Servers and Endpoints Ideal candidates should have: - Proven experience in network penetration testing - Strong knowledge of security protocols and vulnerabilities - Relevant certifications (e.g., CEH, CISSP) - Ability to provide a detailed report with findings and recommendations Please share your experience and approach to this task.

    思科 计算机安全 防火墙 网络安全 网络管理 网络安全 渗透测试 Security Auditing
    $210 Average bid
    $210 平均报价
    13 个竞标
    立即竞标
    Need Recommendations for VPN, want to bid on US location based project. My location must show the US location while bidding on the project. There is few project which is strictly US location based project. Need someone to assist me.
    3 天 left

    I am unable to bid on USA based project specifically which is location based project. I need recommendations of free VPN which can change my location and i can bid on the US location based project. More details: What type of VPN service are you looking for? Free VPN What information should successful freelancers include in their application? Experience What level of experience do you prefer the freelancer to have? Expert

    防火墙 网络安全 网络管理 网络工程 网络监控 网络安全 技术支持 VPN
    $20 Average bid
    $20 平均报价
    4 个竞标
    立即竞标
    Security Analysis: Network Vulnerability Assessment -- 2
    3 天 left
    已验证

    Network Vulnerability Assessment & Security Analysis I can perform a structured Network Vulnerability Assessment to identify potential security weaknesses in an authorized network environment. The assessment includes understanding the network topology, IP addressing, subnetting, network devices, services, and communication protocols before conducting security testing. The project covers: Network Discovery: Identify live hosts and understand the network structure. Port & Service Enumeration: Analyze open ports and running services using Nmap. Network Architecture Analysis: Review routers, switches, firewalls, servers, and client systems. Protocol Analysis: Examine commonly used protocols such as TCP/IP, HTTP/HTTPS, SSH, DNS, DHCP, FTP/SFTP, and SMTP. Vulnerability Assessment: Ide...

    计算机安全 DNS 超文本传输协议 网络安全 网络管理 网络安全 风险评估 网络安全
    $1095 Average bid
    $1095 平均报价
    19 个竞标
    立即竞标
    私人项目或竞赛#40685210
    2 天 left

    请注册或者登录后来查看详情。

    计算机安全 网络安全 网络管理 网络监控 网络安全 渗透测试 Security Auditing 网络安全
    立即竞标
    Ethical Application Security Audit
    1 天 left

    I’m ready to invite an experienced ethical hacker to run a full-scope security assessment on my live application. Your mission is to simulate real-world attacks, identify every meaningful vulnerability, prove exploitation with clear evidence, and outline practical remediation steps. Here’s what I need from you: • A mutually agreed test plan that follows industry standards such as OWASP and NIST, tailored to the specific tech stack I will disclose once an NDA is in place. • Active exploitation of discovered weaknesses (no destructive methods) and thorough validation of each finding. • A concise executive summary plus a detailed, step-by-step technical report that includes risk ratings, reproduction steps, impacted components, and prioritized mitigation advice...

    计算机安全 Incident Response 网络安全 网络管理 渗透测试 风险评估 Security Auditing 技术写作
    $292 Average bid
    $292 平均报价
    19 个竞标
    立即竞标
    SMS OTP Login Security Assessment
    1 天 left

    Looking for an experienced developer/security tester to analyze an OTP-based login system on a website that I am authorized to test. I need someone who can review the website’s OTP authentication workflow, identify security weaknesses, and suggest a secure way to streamline the authorized login process. Requirements: OTP login workflow analysis Website/API security testing Authentication flow review Security vulnerability assessment Clear report of findings Only authorized security testing. No unauthorized access or credential bypass.

    API测试 计算机安全 Incident Response 网络安全 渗透测试 Security Auditing 测试/质量管理 网络安全
    $87 Average bid
    $87 平均报价
    22 个竞标
    立即竞标
    Need serious help -- 4
    12 小时 left

    Hello my name is CJ and I’m in need of serious assistance due to my pc getting hacked and need to make sure the steps I’ve done erase everything they installed down to the process.

    计算机安全 数据保护 数字取证 Incident Response 网络安全 网络管理 网络安全 Privacy Compliance Security Auditing 网络安全
    $24 / hr Average bid
    $24 / hr 平均报价
    31 个竞标
    立即竞标
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