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About Computer Security

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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    56 jobs found, pricing in USD
    Question about Cryptography 6 days left
    VERIFIED

    Some questions about cryptography. Needs to understand IND-CPA-secure cryptosystems.

    Computer Security Cryptography Web Security
    $389 (Avg Bid)
    $389 Avg Bid
    1 bids
    Bid now
    Remove malware/hacker from isp modem 6 days left

    I suspect my ISp modem has been compromised, I would like to remove hackers access from modem.

    Computer Security Linux System Admin Web Security
    $67 (Avg Bid)
    $67 Avg Bid
    2 bids
    Bid now
    New freelancer ,Network person of Linux Environment work 6 days left
    VERIFIED

    I need some network related expert person who has good experience of Linux Environment , Eclipse, OpenFlow Libraries. I have some basic level tasks I need work at Low budget

    C Programming Computer Security Java Linux Network Administration
    $8 / hr (Avg Bid)
    $8 / hr Avg Bid
    2 bids
    Bid now
    Website security support 6 days left
    VERIFIED

    I am looking for someone to take care of the problems described on the attached.

    Computer Security HTML Internet Security PHP Web Security
    $42 (Avg Bid)
    $42 Avg Bid
    5 bids
    Bid now
    Cloud security & Content Delivery Network Articles 6 days left

    About mlytics : Founded in 2017, mlytics’s goal is to disrupt the cloud industry with Multi CDN technology to provide the best in class reliability, performance, and security solution. mlytics has developed a SaaS Multi CDN platform driven by machine learning technology that can help companies at different scales to optimize performance and security of websites and web apps. What we are lo...

    Computer Security Content Writing Research Writing Technical Writing Web Security
    $39 / hr (Avg Bid)
    $39 / hr Avg Bid
    21 bids
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    SDN Firewall and POX Library 6 days left

    Looking for some one with strong networking background who is comfortable working with python POX library on minninet. Individual will need to write firewall rules and a sdn firewall controller. An VM will be provided with all libraries installed ( no installation required) , additionally code skeleton will be provided.

    Cisco Computer Security Linux Network Administration Python
    $195 (Avg Bid)
    $195 Avg Bid
    3 bids
    Bid now
    Computer networking management 6 days left

    I need help for for computer networking based on cyber security

    Cisco Cloud Computing Computer Security Internet Security Network Administration
    $93 (Avg Bid)
    $93 Avg Bid
    11 bids
    Bid now
    Cisco mpls/xconnect/psuedowire/vlan deployment help 6 days left
    VERIFIED

    I have a couple Cisco 4321 boxes I want to use as a "virtual wire" between two offices with different public static IP's, so my LAN in the main office is visible to my LAN at the remote office. I had it working with a contractor, but the project got put on hold. I need help actually deploying these boxes and working on any routing issues and also extending it a bit. I have attached ...

    Cisco Computer Security Network Administration System Admin
    $98 (Avg Bid)
    $98 Avg Bid
    7 bids
    Bid now
    Implement a Defensive Security System in Python (Repy) 6 days left
    VERIFIED

    The information is in this link: [login to view URL] in general, what you have to do is modify the code in "[login to view URL]" to pass all the test cases which are not given..so the point is to try and anticipate how an attacker might get around your security layer

    Computer Security Linux Python
    $20 (Avg Bid)
    $20 Avg Bid
    2 bids
    Bid now
    I Need An Ethical Hacker 5 days left

    I have been scammed by a website that has been scamming people online for several months. The owner of the site has hidden their identity behind NameCheap Whoisguard. I seek for assistance in uncovering the identity of the person performing the scams. the site is mfivideo dot xyz

    Certified Ethical Hacking Computer Security Internet Security Web Security
    $239 (Avg Bid)
    $239 Avg Bid
    4 bids
    Bid now
    Website Security Audit 5 days left
    VERIFIED

    Large social network seeking a highly experienced security specialist to audit for possible security leaks.

    Computer Security Internet Security Network Administration System Admin Web Security
    $518 (Avg Bid)
    $518 Avg Bid
    15 bids
    Bid now
    need an iOS security expert 5 days left

    I need an iOS security expert

    Certified Ethical Hacking Computer Security Growth Hacking Internet Security
    $8 - $21
    $8 - $21
    0 bids
    Bid now
    Need someone good expert in Information Technology Security and Auditing 5 days left
    VERIFIED

    Information Technology Security and Auditing and IT risk just point out IT risk

    Computer Security Report Writing Research Research Writing Web Security
    $27 (Avg Bid)
    $27 Avg Bid
    3 bids
    Bid now
    Crypto WhitePaper writer 5 days left

    We are busy devs, working on multiple projects in crypto space. Looking for a technical white paper writers who can translate our technical conept in a plain simple English for publication as we are playing in the space of C-DdFi/Defi. Below are some sample what we are looking for. It would be sweat equity based, means when the project is successful and bought by a 3rd party then you will get paid...

    Article Rewriting Article Writing Computer Security Research Writing Technical Writing
    $411 (Avg Bid)
    $411 Avg Bid
    22 bids
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    New freelancer ,Network person of Linux Environment experience, Some network idea 5 days left
    VERIFIED

    I need some network related expert person who has good experience of Linux Environment , Eclipse, OpenFlow Libraries. I have some basic level tasks I need work at Low budget

    C Programming Computer Security Java Linux Network Administration
    $7 / hr (Avg Bid)
    $7 / hr Avg Bid
    5 bids
    Bid now
    Amazon Macie 15 minutes of getting started? 5 days left
    VERIFIED

    For Amazon Macie - just want my first job - I setup an S3 bucket with a DL name, SSI #, personal name and birthday and none of this information is getting flagged? Any hints ? Will pay quick and leave 5 stars. Please give your best possible for your bid ? Please note there is hope we can mutually complete this task; we can leave each other nice comments and 5 stars for each? Look at feed...

    Amazon Web Services Cloud Computing Computer Security Internet Security Web Security
    $10 - $30
    $10 - $30
    0 bids
    Bid now
    Computer network 5 days left

    Computer network need help for networking management

    Cisco Computer Security Internet Security Network Administration System Admin
    $47 (Avg Bid)
    $47 Avg Bid
    7 bids
    Bid now
    Computer networking management -- 2 5 days left

    Computer networking management

    Computer Security Internet Security Network Administration Network Engineering System Admin
    $27 (Avg Bid)
    $27 Avg Bid
    8 bids
    Bid now
    study and research -- 2 5 days left

    study and research of cyber security.

    Computer Security Report Writing Research Research Writing Technical Writing
    $22 (Avg Bid)
    $22 Avg Bid
    30 bids
    Bid now
    study and research 5 days left

    study and research for cyber security.

    Computer Security Report Writing Research Research Writing Technical Writing
    $75 (Avg Bid)
    $75 Avg Bid
    32 bids
    Bid now
    Computer networking management 5 days left

    Computer network management (Cyber security) Need to do this work Price is fixed

    Cisco Computer Security Internet Security Network Administration Web Security
    $17 (Avg Bid)
    $17 Avg Bid
    2 bids
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    Application security/Product Security/Cyber Security 5 days left

    10+ years in cybersecurity, offering Pentest services, SAST & DAST services!

    Computer Security Internet Security Research Writing Technical Writing Web Security
    $78 (Avg Bid)
    $78 Avg Bid
    2 bids
    Bid now
    Need someone who can help me with Cyber Security Project 5 days left

    Need someone who can help me with Cyber Security Project

    Certified Ethical Hacking Computer Security Network Security Penetration Testing Web Security
    $4 / hr (Avg Bid)
    $4 / hr Avg Bid
    6 bids
    Bid now
    Blockchain Based Messaging App 5 days left
    VERIFIED

    Blockchain Based Messaging App

    Blockchain Computer Security Engineering Ethereum Software Architecture
    $356 (Avg Bid)
    $356 Avg Bid
    5 bids
    Bid now
    "ethical" Hacker need 5 days left
    VERIFIED

    I need someone to give me advice on navigating the internet. Spammers are welcomed as well

    Certified Ethical Hacking Computer Security Internet Security Web Security
    $131 (Avg Bid)
    $131 Avg Bid
    7 bids
    Bid now
    Monitoring for email and Client continuirly longterm basis 4 days left
    VERIFIED

    ✔️ Email monitoring ✔️ Directory monitoring ✔️ Network monitoring✔️ Security notices ✔️ Vulnerability scans ✔️ 24/7 support

    Computer Security Prometheus Monitoring Web Security
    $45 (Avg Bid)
    $45 Avg Bid
    4 bids
    Bid now
    Amazon Macie 30 starting job - quick 5 stars 4 days left
    VERIFIED

    For Amazon Macie - just want my first job - I setup an S3 bucket with a DL name, SSI #, personal name and birthday and none of this information is getting flagged? Any hints ? Will pay quick and leave 5 stars. Please give your best possible for your bid ? Please note there is hope we can mutually complete this task; we can leave each other nice comments and 5 stars for each? Look at feed...

    Amazon S3 Amazon Web Services Aws Lambda Computer Security DevOps
    $35 (Avg Bid)
    $35 Avg Bid
    1 bids
    Bid now
    Amazon Macie 30 minute demo 4 days left
    VERIFIED

    For Amazon Macie - just want my first job - I setup an S3 bucket with a DL name, SSI #, personal name and birthday and none of this information is getting flagged? Any hints ? Will pay quick and leave 5 stars. Please give your best possible for your bid ? Please note there is hope we can mutually complete this task; we can leave each other nice comments and 5 stars for each? Look at feed...

    Amazon S3 Amazon Web Services Aws Lambda Computer Security DevOps
    $10 - $30
    $10 - $30
    0 bids
    Bid now
    Network Security Lab (Public Key Cryptography and PKI) 4 days left
    VERIFIED

    I need someone to help me with a network security lab The Lab Objectives: 1. To see how the PKI works. 2. To use PKI to secure web browsing.

    Computer Security Cryptography Internet Security Network Administration Network Security
    $12 / hr (Avg Bid)
    $12 / hr Avg Bid
    4 bids
    Bid now
    Organ Symphony Assistant 4 days left
    VERIFIED

    What is Organ Symphony Assistant? Organ Symphony Assistant (OSA) is a collection of audio files which recreate the ensemble section only of musical works composed for the combination of these ensembles plus organ. These works are select ones of my choosing and comprise music from the 18th century through today. The collection is of both well-known and less obscure works. Purpose These a...

    Audio Services Computer Security Security Software Development
    $250 (Avg Bid)
    $250 Avg Bid
    1 bids
    Bid now
    New freelancer ,Network person of Linux Environment experience, Simple tasks 4 days left
    VERIFIED

    I need some network related expert person who has good experience of Linux Environment , Eclipse, OpenFlow Libraries. I have some basic level tasks I need work at Low budget

    C Programming Computer Security Java Linux Network Administration
    $5 / hr (Avg Bid)
    $5 / hr Avg Bid
    5 bids
    Bid now
    Ethical Hackers wanted in kolkata 4 days left

    Ethical Hackers are required

    Certified Ethical Hacking Computer Security Internet Security Web Security WordPress
    $119 (Avg Bid)
    $119 Avg Bid
    3 bids
    Bid now
    VPN Expert, with multiple brands of Routhers 4 days left
    VERIFIED

    I need to connect businesses with VPN connection, main reason is to print out documents at different lcoations, i need individual computers to log into vpn and be able to print out, i have multiple brands of routhers i really like IP-SEC

    Computer Security Linux Network Administration System Admin Windows Server
    $21 / hr (Avg Bid)
    $21 / hr Avg Bid
    17 bids
    Bid now
    communication network 3 days left
    VERIFIED

    I'm looking for a specialist in communication network who has the ability to help me with some task please see the attached file

    Communications Computer Security Engineering Network Engineering Wireless
    $39 (Avg Bid)
    $39 Avg Bid
    9 bids
    Bid now
    Network engineer, firewall and Administrator 3 days left

    Hi, Looking for expert in below skillset Two or more years of hands on experience in a network operations team. Hands on experience with Cisco and Juniper routers, switches, and firewalls. Experience with Servicenow. Good customer service experience and communication skills required. Ability to multi-task. Ability to work independently. NOC experience preferred, with ability to direct and coord...

    Cisco Computer Security Database Administration Network Administration Software Architecture
    $106 (Avg Bid)
    $106 Avg Bid
    17 bids
    Bid now
    ethical hacking help for tutor and some solution 3 days left
    VERIFIED

    [login to view URL] can you help me for this two small projects then contact me.

    Certified Ethical Hacking Computer Security Growth Hacking Internet Security
    $22 (Avg Bid)
    $22 Avg Bid
    4 bids
    Bid now
    Linux security advisor/trainer 3 days left
    VERIFIED

    We are searching for a senior Linux administrator who can train our team to improve our Linux servers' security and improve our security protocols. Also, we are searching for someone who we can hire for Adhoc Linux server maintenance work. The person we are searching for needs to be interested in long term cooperation. Important capabilities: 1. Proven experience in managing Linux server secu...

    Computer Security Internet Security Linux System Admin Web Security
    $9 / hr (Avg Bid)
    $9 / hr Avg Bid
    7 bids
    Bid now
    Research Assistant 3 days left

    We are currently engaged in many different areas of research that we cannot disclose. Related technologies and areas include supply chain, blockchain, quantum computing, cryptography, with many more related areas of interest. We are looking for people that can apply their scientifically rigorous minds to different types of problems. Self-starters and self-motivated people preferred.

    Computer Security Research Research Writing Statistics Technical Writing
    $16 / hr (Avg Bid)
    $16 / hr Avg Bid
    19 bids
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    Computer engineering 3 days left

    I want someone can solve questions in computer engineering

    Computer Security Electrical Engineering Electronics Engineering Network Administration
    $22 (Avg Bid)
    $22 Avg Bid
    11 bids
    Bid now
    Information security 2 days left
    VERIFIED

    Encryption and decryption using : 1) Rail Fence 2) Hill Cipher 3) Columnar & Key Columnar 4) RSA

    Computer Security Cryptography Internet Security Network Administration Web Security
    $25 (Avg Bid)
    $25 Avg Bid
    2 bids
    Bid now
    Information security 2 days left

    Encryption and decryption 1) Rail Fence 2) Hill Cipher 3) Columnar & Key Columnar 4) RSA

    Computer Security Cryptography Internet Security Network Administration Web Security
    $16 (Avg Bid)
    $16 Avg Bid
    3 bids
    Bid now
    Need an Expert in Digital Forensics and Investigation 2 days left
    VERIFIED

    Hello I need an expert in Digital Forensics and Investigation including expertise in Kali Linux. Please apply if you have the right expertise.

    Computer Security Linux Network Administration System Admin UNIX
    $118 (Avg Bid)
    $118 Avg Bid
    3 bids
    Bid now
    Cryptography expert in theory and analysis 2 days left
    VERIFIED

    I have 2 questions related to Cryptography and would like to have an expert to help on it. The question is to prove some function not secure.

    Algorithm Computer Security Cryptography Engineering
    $50 / hr (Avg Bid)
    $50 / hr Avg Bid
    7 bids
    Bid now
    New freelancer needed ,Network person of Linux Environment experience,Simple work 1 day left
    VERIFIED

    I need some network related expert person who has good experience of Linux Environment , Eclipse, OpenFlow Libraries. I have some basic level tasks I need work at Low budget

    C Programming Computer Security Java Linux Network Administration
    $5 / hr (Avg Bid)
    $5 / hr Avg Bid
    4 bids
    Bid now
    Make a PowerPoint Presentation 1 day left
    VERIFIED

    THE BRIEF/INSTRUCTIONS This assessment is worth 50% of the overall module mark and avoid plagiarism. In this assignment you will be given a malware topic. You must create a PowerPoint presentation. Each slide should have a voice over recording explain the content of the slide. You will be assigned a piece of Malware to explain. You have a maximum of 10 content slides and 10 minutes. In the pr...

    Certified Ethical Hacking Computer Security Powerpoint Presentations
    $20 (Avg Bid)
    $20 Avg Bid
    10 bids
    Bid now
    Computer science / IT 1 day left
    VERIFIED

    I need someone good in Technology in computer science / IT

    Computer Security iPhone Web Security
    $5 / hr (Avg Bid)
    $5 / hr Avg Bid
    12 bids
    Bid now
    Server Operating Expert Required 1 day left
    VERIFIED

    Server Operating Expert Required

    Computer Security IT Operating Model Microsoft Windows Desktop Windows Server
    $18 (Avg Bid)
    $18 Avg Bid
    12 bids
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    Corrupted files - need someone to fix them for me 23 hours left

    Hi! I had this PC that I got for my 14th birthday that I used for over 5 years and then passed on to the less fortunate (my siblings lol) who accidentaly wiped it clean and basically started from scratch about 2+ years ago. (This was because the PC had many issues and would randomly turn off, and would take like 5 attempts to turn on - all of these problems disapeared when I replaced the HDD wit...

    Computer Repair Computer Security Computer Support Technical Support
    $20 / hr (Avg Bid)
    $20 / hr Avg Bid
    4 bids
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    powershell expert develooper -- 2 18 hours left
    VERIFIED

    Details will be shared in chat box directly

    Computer Security Linux Network Administration Powershell System Admin
    $18 (Avg Bid)
    $18 Avg Bid
    4 bids
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    Configure RDP connections and set the security of the network 18 hours left
    VERIFIED

    Setup remote desktop on our windows pro 10 computers and set the network security options so the code will not be stolen

    Computer Security Network Administration System Admin Windows Desktop Windows Server
    $60 (Avg Bid)
    $60 Avg Bid
    13 bids
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