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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    57 jobs fundet, i prisklassen EUR

    This is the error message I am getting from Siteground: We have detected that your [log ind for at se URL] website is infected with malicious code and a huge number of email spam messages are originating from it. In order to prevent further malicious activity from your hosting plan, we have limited the access to it. Malware is a threat not only to the health of your own website, but also to the o...

    €33 (Avg Bid)
    €33 Gns Bud
    5 bud
    Cisco Engineer 6 dage left

    Need of a Cisco Engineer to log into clients Cisco access points to configure, update, rename and optimize them. Client has a total of 26 Access points. We are installing new antennas on 7 Access points Picture 1 shows all the AP Picture 2 shows 1 of the AP Please contact us for any more questions.

    €678 (Avg Bid)
    €678 Gns Bud
    16 bud

    We have currently replaced our firewall to Sophos XG210. we need some selected users to be able to connect from their homes back to the office and be able to access the internal resources such as network share printing locally (to their home printer) and remotely to the office network printers via the print server. The VNP needs to meet high security standards and in compliance with auditors.

    €67 (Avg Bid)
    €67 Gns Bud
    6 bud

    technical report about CWE exploiting and writing the findings

    €29 (Avg Bid)
    €29 Gns Bud
    17 bud
    Quntiazation 6 dage left
    VERIFICERET

    I want add quntiazation for embedding and extracting after hid text in wavelet for extract correct text

    €146 (Avg Bid)
    €146 Gns Bud
    2 bud
    Security Encryption 6 dage left
    VERIFICERET

    I need someone who can makes the files inside our FTP or wordpress not downloadable nor copied able except by some specific certain users. So our developers can only edit/modify within the files, not even copy paste the codes inside it. we dont use cpanel, just use google cloud console and filezilla

    €22 (Avg Bid)
    €22 Gns Bud
    8 bud

    i have a reserch in the field of cybersecurity and i need to write a technichal report

    €79 (Avg Bid)
    €79 Gns Bud
    40 bud

    DSLM smartAX MA5616 configuration and ready up many time showing error - the system is loading or backup or duplicating data or rollback or canceling rollback, please dispose of data later_ need to configure this issue immediately.

    €163 (Avg Bid)
    €163 Gns Bud
    3 bud
    USG ubiquiti 6 dage left

    I want to configure the firewall and 2 broadband connections for failover , VPN, Remote user

    €203 (Avg Bid)
    €203 Gns Bud
    4 bud

    write program to allow specific applcations through firewall in c++

    €15 (Avg Bid)
    €15 Gns Bud
    2 bud

    I need you to teach me how to unpack a program that is protected with VMProtect. This is the program I want to unpack: [log ind for at se URL] The password to unzip the file is: 123 Preferably, you should do a video to show me step-by-step how to unpack it, what tools to use, how to fix the PE header and how to fix the IAT imports, and any necessary things to fix, in order to make it work ...

    €47 (Avg Bid)
    €47 Gns Bud
    1 bud
    Ethical hacker 6 dage left

    Requirement for a ethical hacker. Hours requirement :2-10 hours One time contract.

    €111 (Avg Bid)
    €111 Gns Bud
    6 bud

    Help with my Computer/Laptop/Devices 2 computers and 2 printers connected with bluetooth. After renewing Microsoft office and Adobe, red x's. showed on several files, need removed. Also, tune / check up of computers

    €56 (Avg Bid)
    €56 Gns Bud
    7 bud

    Our company has some problems to build infrastructure of our company. So I need professional expert who has rich epxerience in Network infrastructure. I will discuss details in private chat.

    €30 / hr (Avg Bid)
    €30 / hr Gns Bud
    19 bud

    Develop & improve machine learning models for radiology(lung cancers, COVID-19, pneumonia, ovarian cancers, etc) Before a proposal, answer the following questions -Have you worked with radiographic images (X-Rays, CT scans, etc.) before? If so, in what context? What was the accuracy? -Have you worked with machine learnings algorithms before? If so, which projects? What was the accuracy?

    €18 / hr (Avg Bid)
    €18 / hr Gns Bud
    28 bud
    computer hack forensic 5 dage left
    VERIFICERET

    I need someone to look at my computer through team viewer and find the hack portal on my computer and give me the details to catch the person's IP address and maybe hack there system to see where it is coming from.

    €134 (Avg Bid)
    €134 Gns Bud
    7 bud

    we have many dedicated servers and the some isps are sniffing our data and this matter cause the blocking of server's ip. we need a solution for encrypting output data via proxy server. note1: we tried SSL. note2: our clients can not use VPN.

    €445 (Avg Bid)
    €445 Gns Bud
    8 bud

    be able to analyse IP addressing requirements and design an addressing scheme. be able to analyse the requirements of IP routing and choose appropriate routing methods. be able to demonstrate how internetworking devices obtain their network configuration. be able to explain how data flows through the internet. be able to ascertain and evaluate selection of applications and protocols for transferri...

    €15 (Avg Bid)
    €15 Gns Bud
    6 bud
    Soporte IT 5 dage left

    Busco una persona para ayudarnos con un proyecto de soporte IT mínimo de 3 meses. Necesito un perfil de administración de redes y soporte IT. Se valorará conocimientos en inglés.

    €1048 (Avg Bid)
    €1048 Gns Bud
    22 bud
    network automation 5 dage left
    VERIFICERET

    I need with telecommunicational knowledge

    €5 / hr (Avg Bid)
    €5 / hr Gns Bud
    5 bud

    BUDGET 50 USD Pentester / security expert to find and remove malware on sites (WP) You look on sites on our server and remove malware and secure the sites.

    €28 (Avg Bid)
    €28 Gns Bud
    11 bud

    my pc attack by kolz virus every file will be encrypt

    €12 (Avg Bid)
    €12 Gns Bud
    3 bud

    Need someone who have experience in find/resolve the issue of website hacking. Looking forward to work with the EXPERT only.

    €6 - €9
    Fremhævet Forseglet
    €6 - €9
    4 bud

    I need a cloud network 100+ servers , connected between them , with encrypted traffic.

    €3839 (Avg Bid)
    €3839 Gns Bud
    11 bud
    cryptography and security -- 2 4 dage left
    VERIFICERET

    Introduction to Security and Cryptography. Cryptographic Tools. User Authentication Fragmentation Functions - Message Authentication Encryption Algorithms and Properties. Selective Number Theory Topics Υπο Digital Signature and Message Authentication Asymmetric Encryption Public Key Encryption and Message Authentication Encryption Device Topologies  HTTPS - IPSec ...

    €136 (Avg Bid)
    €136 Gns Bud
    6 bud

    We are a Networking company and designed the network in the city but confirmed by overseas network professionals to find us our technical issue. Project: Network Monitoring 1- network policy is Mikrotek 2- Firewall and blocking 3- Network Usage 4- client end usage 5- fiber connectivity usage 6- devices maintenance and check the logs 7- server monitoring 8- testing routers and modems thi...

    €161 (Avg Bid)
    €161 Gns Bud
    17 bud

    We are from an IT consulting firm and an online tutoring company One of our client is in need of project assistance in the Blockchain - Network Security - computation and information technology We need the work to be completed in 3 days from now so only if you are available immediately to work on our project please bid

    €5 / hr (Avg Bid)
    €5 / hr Gns Bud
    1 bud

    Hi there, I have to do a Cisco Packet Tracer project for school, I have to write a report so don't have time to do this task. OSPF routing protocol to communicate with head office and branch offices. There needs to be 1 head office which will be in area 0. There will be 3 branch offices, 1 branch office will be in area 1 and the other office in area 2. (area 1 and 2 branch office are connec...

    €20 (Avg Bid)
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    14 bud
    Network Security 3 dage left

    Academic Network security ... [log ind for at se URL] 2. DoS attacks and Authentication 3. WLAN 4. SSL/TLS 5. Firewalls and IDS Systems

    €60 (Avg Bid)
    €60 Gns Bud
    12 bud

    I want cyber security service against DDOS and BOTNET .

    €152 (Avg Bid)
    €152 Gns Bud
    7 bud

    Help me protect my social media accounts

    €21 (Avg Bid)
    €21 Gns Bud
    4 bud

    I'm looking for someone who is specialized in cyber sécurity and hacking to perform penetration tests and recovery of email address files... of course the goal is to protect yourself from all this.

    €40 / hr (Avg Bid)
    €40 / hr Gns Bud
    6 bud
    €80 Gns Bud
    20 bud

    I'm looking for someone who is specialized in cyber sécurity and hacking to perform penetration tests and recovery of email address files... of course the goal is to protect yourself from all this.

    €39 / hr (Avg Bid)
    €39 / hr Gns Bud
    3 bud

    I would like to demonstrate clusters and data nodes in big data and test threat scenario as an example. This is for learning purpose I would like to learn the security issues of the traditional big data system.

    €171 (Avg Bid)
    €171 Gns Bud
    2 bud
    Writing Arabic IT Policies 2 dage left
    VERIFICERET

    Write IT Policies like change management, releases management etc in Arabic language

    €17 / hr (Avg Bid)
    €17 / hr Gns Bud
    25 bud
    Network and SAN optimisation 2 dage left
    VERIFICERET

    Hi Everyone, We currently run on Hp Aruba 2930F switches and have a HP MSA 2052 san, we'll like someone to look at our network and advise on optimisations that need to take place to improve redundancy and performance for our 3 Xenservers attached to these switches

    €204 (Avg Bid)
    €204 Gns Bud
    9 bud
    Create a Product Manual 2 dage left
    VERIFICERET

    hi i will share the details with the shortlisted candidates. Thanks

    €21 / hr (Avg Bid)
    €21 / hr Gns Bud
    18 bud

    We need a vulnerability assessment and Cyber Threat Intelligence Solution tool created more details are vetted in the document.

    €16588 (Avg Bid)
    €16588 Gns Bud
    8 bud

    we need 5 stars in it support Computer security, cybersecurity bitcoin to recive a send to use , thanks

    €610 (Avg Bid)
    €610 Gns Bud
    3 bud
    Create a Product Manual 2 dage left
    VERIFICERET

    hi i will share the details with the shortlisted candidates. Thanks

    €15 / hr (Avg Bid)
    €15 / hr Gns Bud
    12 bud
    Linux Kernel Memory Management 2 dage left
    VERIFICERET

    I am working in Linux Kernel development for one year. I am learning the memory management for a better understanding on the OS concepts. I am reading Linux Kernel internals and Memory management books. I thought It would be good if some one can help me for a better understanding whenever I am stuck at some doubts .

    €11 / hr (Avg Bid)
    €11 / hr Gns Bud
    2 bud
    online security testing 2 dage left
    VERIFICERET

    test my security software for me

    €32 (Avg Bid)
    €32 Gns Bud
    18 bud

    We are from an IT consulting firm and an online tutoring company One of our client is in need of project assistance in the Network Security - computation and information technology We need the work to be completed in 3 days from now so only if you are available immediately to work on our project please bid

    €4 / hr (Avg Bid)
    €4 / hr Gns Bud
    8 bud
    Incident Response 1 dag left
    VERIFICERET

    it's a project to report attacks on you machine

    €77 (Avg Bid)
    €77 Gns Bud
    4 bud
    IPTV security 1 dag left

    I have an IPTV streaming server. I would like to protect my IP's from blocks etc.

    €222 (Avg Bid)
    €222 Gns Bud
    8 bud

    We require an acunetix vulnerability scan/report for a client's website.

    €21 (Avg Bid)
    €21 Gns Bud
    10 bud
    Create a User Manual Guide 1 dag left
    VERIFICERET

    hi i will share the details with the shortlisted candidates. Thanks

    €14 / hr (Avg Bid)
    €14 / hr Gns Bud
    21 bud

    Hi I need an expert who could help prevent hacking my apple laptop

    €140 (Avg Bid)
    €140 Gns Bud
    6 bud