计算机安全 Jobs

Computer security is an important topic in the world of computers. If you are good in enhancing computer security and related devices, you should use your skills to earn money by bidding on jobs posted on Freelancer.com.

Computer Security can also be called IT or Cyber security. It refers to information security applied to computers, related devices and networks. This is a wide field, covering all mechanisms and processes used in protecting computers and related devices from attacks and unauthorized accesses. Computer Security also protects computer data from loss due to unexpected circumstances or natural disasters.

There are many computer users in need of Computer Security solutions. All over the world, there is a great need for professionals in this sector. If you are an expert in matters involving computer security, then you should use your skills to increase your income. This will be easy when you are part of Freelancer.com, the leading freelance online site where many employers post jobs on a daily basis. You can start earning money today by simply creating an account on Freelancer.com and bidding on many computer security related jobs available on the site.

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    48 份搜到的工作,货币单位为 HKD
    SMTP Relay Server 6 天 left
    已验证

    Hallo I need some one to explain me this questions maybe in video session for around 2-3 hours ? what is the term of "SMTP relay" without server general term? What is SMTP Relay Server and why we need it or use it ? what is the different between Normal mail Server and SMTP Relay Server? Why SMTP support the mail with security Atmosphere ? Without SMTP Relay Server how the scanned emails will be sent? What is Smart host with example and is there is any other option? Is SMTP Relay server is stand alone server or must be used with normal Mail server together? can you give a brief about SMTP-Relay server and normal Mail server the most important points ? if you can answer this questions with examples and understand them well let me know so we can make the session and l...

    $400 (Avg Bid)
    $400 平均报价
    3 个竞标
    Ethical Hacker 6 天 left

    I want to hire some good ethical hacker to conduct VA/PT on web and mobile apps

    $18816 (Avg Bid)
    $18816 平均报价
    9 个竞标

    We are looking for hacker/tester who can find out any loopholes & security threats in my application. We need a well-experienced hacker for this job.

    $1444 (Avg Bid)
    $1444 平均报价
    6 个竞标
    Project for Amaan M. -- 4 6 天 left
    已验证

    Hi Amaan M., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

    $377 (Avg Bid)
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    3 个竞标

    I need a freelancer to coach me understand some issues on how Facebook works, creating account, deactivate it, close it, recovery, ....

    $86 / hr (Avg Bid)
    $86 / hr 平均报价
    1 个竞标

    I need a freelancer to coach me understand some issues on how Facebook works, creating account, deactivate it, close it, recovery, ....

    $31 / hr (Avg Bid)
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    2 个竞标
    Network Security project 6 天 left
    已验证

    There will be 3 main questions and each question has 3 sub parts a, b, c More details will be discussed in the chat

    $259 (Avg Bid)
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    23 个竞标
    cyber security expert -- 2 6 天 left
    已验证

    need someone expert in this field

    $1319 (Avg Bid)
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    13 个竞标
    Remote desktop expert 6 天 left
    已验证

    I need a remote desktop expert who can help me connect to phones, and other computers without the need to request for access everytime in order to give tech support and manage other things.

    $55 / hr (Avg Bid)
    $55 / hr 平均报价
    15 个竞标
    Pen Testing 6 天 left
    已验证

    Looking for network pentester. Need assistance on performing network level pen testing having access to one of the system in network.

    $966 (Avg Bid)
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    9 个竞标
    Computer Networks -- 4 6 天 left
    已验证

    I need someone who is expert in computer networks and have strong concepts.

    $243 (Avg Bid)
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    12 个竞标
    network project 6 天 left
    已验证

    j’ai un projet de réseau pour cree sur VM pour petite compagnie , et de faire le reseau pour cette compagnie

    $738 (Avg Bid)
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    11 个竞标

    hii this side Rasheed hassan...there has been quite attempts of hacking my mobile phones and laptop aswell..the emails used in both phone and laptop where same in microsoft account and also the chrome and other social media accounts ...need to do a through check on my laptop for any spyware or any links or attempts and users and files in my system ...

    $1162 (Avg Bid)
    加急
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    4 个竞标

    Network Expert.................

    $1177 (Avg Bid)
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    21 个竞标

    I want new cybersecurity model to secure schools

    $2944 (Avg Bid)
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    35 个竞标

    I need a freelancer to coach me understand some issues on how Facebook works, creating account, deactivate it, close it, recovery, ....

    $39 / hr (Avg Bid)
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    6 个竞标
    Networking -- 2 5 天 left
    已验证

    Need to configure network in 3 different vmware can be done with fedora for more info check the picture Complete each task in the the photo n take screenshots of each steps n put all in oders in a word document n submit it via email (Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions) will pay u $15 need by thrusday may 26 111:59 pm

    $314 (Avg Bid)
    加精
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    3 个竞标

    I need a freelancer to coach me understand some issues on how Facebook works, creating account, deactivate it, close it, recovery, ....

    $149 / hr (Avg Bid)
    $149 / hr 平均报价
    3 个竞标
    IT Security Expert 5 天 left
    已验证

    I am looking for skilled ransomware virus expert, some weeks ago my excel files are encrypted from the virus. I need to decrypt my files, After attacked from the virus, I installed new OS at my PC, I have only personal virus ID and encrypted file. Please ping me only security experts. my files are encrypted with *.uyjh I have tried with "Emisoft Ecrypter for stop Djvu" program in my side, But failed. I see only this message "File: D:2222021 Error: No key for New Variant online ID: aM52ICzJQKQw5RzWb694LpEJS4hoQggGum2NGG0i Notice: this ID appears to be an online ID, decryption is impossible" Please bid only experts. Thanks.

    $5157 (Avg Bid)
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    7 个竞标

    We have clients requiring vulnerability assessment and penetration testing This is ongoing work for multiple customers

    $220 / hr (Avg Bid)
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    21 个竞标
    penetration testing -- 2 5 天 left
    已验证

    Standard External Penetration Test One (1) deep dive PCI External Penetration Test: Testing on up to 5 active systems Unauthenticated testing of web interfaces or applications identified through service discovery in addition to 3 specific URLs Privilege escalation will be performed where possible Remediation testing is included; each medium and higher vulnerability may be retested, in a single batch process, 1 time within 90 calendar days of initial identification Testing will be conducted from service provider facilities Remediation testing will be conducted from service provider facilities Testing in a production environment A testing schedule will be coordinated between service provider project managers and client stakeholders Automated testing (scanning) will not be restricted to ...

    $118 / hr (Avg Bid)
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    6 个竞标

    I will share binary files with you.

    $1334 (Avg Bid)
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    7 个竞标

    Create virtual machines and innitiate security measures

    $1578 (Avg Bid)
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    20 个竞标
    Ethical Hacking 4 天 left
    已验证

    I need an ethical hacking expert to aid me in some work

    $3846 (Avg Bid)
    $3846 平均报价
    15 个竞标

    Hiring engineers who are familiar to deploy trend micro suite of solutions . On-site service preferred in SG

    $13580 (Avg Bid)
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    6 个竞标
    cyber security 3 天 left
    已验证

    simple cyber security tasks for an experet

    $259 (Avg Bid)
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    13 个竞标

    Hi ,Thank you very Much for Reading , In need of searching reinforcement learning expert , Have you any experience on network simulators especially OMNeT++? I have a project which is done on OMNeT++ about HetNet Now I want to extend it with reinforcement learning.

    $157 (Avg Bid)
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    3 个竞标

    Need an expert who can handle a networking project immediately asap.

    $243 (Avg Bid)
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    8 个竞标

    I am in the cybersecurity/IT industry and would like the following from an experienced programmer: 1)Stable, fully undetected "FUD", crypter that has solid compatibility with most .exe files that will contain various malware samples to be used in sandboxed/isolated test environments for anti-virus evasion analysis. This crypter must be fully compatible with modern Windows environments (Win10/Win11). 2) Provide me with the original project source code, working and fully undetected crypter program and crypter stub. 3) Provide a detailed report on methods how I can personally "redo" parts of the source code you provide if/when the source code becomes detected in the future during testing/analysis with security tools. This part is very important, I am expecting quality...

    $4663 (Avg Bid)
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    Need Skill developers who; - Can develop a new digital signature platform like Docusign, Panda, etc.. - Have an understanding of PKI security and SSL certification - Has a good understanding of Biometrics (finger, facial and iris) - Understands mobile security - Is able to develop two or more factor verification processors - Understands biometric enrollment, verification and authentication

    $259 / hr (Avg Bid)
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    52 个竞标
    Cyber security 2 天 left

    We are looking for a cyber security hacker that can find and propose ways to keep our platform more secure

    $149 / hr (Avg Bid)
    $149 / hr 平均报价
    15 个竞标

    Computer Networks Questions for computer Science

    $950 (Avg Bid)
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    42 个竞标

    Computer Networks for business purpose

    $275 (Avg Bid)
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    22 个竞标

    how to protect cloud data privacy with Homomorphic Encryption. To protect our data privacy in cloud and meanwhile allow the cloud server to process our data, the best solution is using homomorphic encryption scheme, e.g., Paillier encryption scheme, to protect our data in the cloud. In this question, you are expected to understand how homormphic encrytion technique can be used to protect your data privacy in Cloud and analyse data privacy

    $1923 (Avg Bid)
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    2 个竞标
    Applied cryptography -- 2 1 天 left
    已验证

    i am looking for some one have skills in dealing with problems in applied cryptography , more details in che chat

    $1193 (Avg Bid)
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    9 个竞标
    Capstone in Cloud Security 1 天 left
    已验证

    I am looking for an expert Cyber Operations, My project is on "Analyzing the threats imposed by virtualization in cloud computing". Rest Information will be given on chat

    $1209 (Avg Bid)
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    4 个竞标
    Applied cryptography 1 天 left
    已验证

    i am looking for some one have skills in dealing with problems in applied cryptography , more details in che chat

    $1036 (Avg Bid)
    $1036 平均报价
    10 个竞标

    In this project, we will be performing Security Education (SEED) hands-on labs to demonstrate a classic buffer overflow for arbitrary code execution. We will also explore possible mitigations to both attacks and evaluate which are effective and which are not.

    $471 (Avg Bid)
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    3 个竞标

    need someone who is good in academic writing and also good at the above networking concepts

    $581 (Avg Bid)
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    11 个竞标

    I need 2 CV written : - data analyst -Cyber security engineer with Vulnerability Assessment

    $746 (Avg Bid)
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    49 个竞标

    Hello, I need a tutor for computer architecture who is very proficient in the subject. I have a specific material from which I need to learn and I need to cover 121 pages in 30 days, I.e I need to complete 4 pages every day. The syllabus will be attached below. I require a tutor ASAP.

    $71 / hr (Avg Bid)
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    10 个竞标

    In this project, we will be performing Security Education (SEED) hands-on labs to demonstrate a classic buffer overflow for arbitrary code execution. We will also explore possible mitigations to both attacks and evaluate which are effective and which are not.

    $204 (Avg Bid)
    $204 平均报价
    3 个竞标

    Hello everyone Hope you are doing well Can you check the attached pictures please and tell me if you understand them and then you can explain them in a very Thanks

    $408 (Avg Bid)
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    5 个竞标

    To perform Security Education (SEED) hands-on labs to demonstrate a classic buffer overflow for arbitrary code execution.

    $157 (Avg Bid)
    $157 平均报价
    1 个竞标

    Hi I am searching for an expert in 5G technology, cognitive radios and how to apply machine learning to manage spectrum, a device to device communication regarding discussing my master synopsis please message me.

    $78 (Avg Bid)
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    4 个竞标

    Need to perform 2 activities 1. propose a WLAN deployment plan 2. network simulator OMNeT++ to investigate how the network scale affects the throughput performance

    $542 (Avg Bid)
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    5 个竞标