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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    78 份搜到的工作,货币单位为 HKD

    Hello I am looking for someone who has good command over encryption, decryption, block ciphers, substitution ciphers, feedback function cycle, maximal-length polynomial, known message attack, brute force search, hash functions, el gamal encryption and ciphertext. The freelancer must have a very sound command over the above mentioned topics in order to create an academic document. Expert ACADEM...

    $925 (Avg Bid)
    $925 平均报价
    4 个竞标

    Using REDPitaya hardware as a SDR system under Windows. Prepare as a word document. Describe the subject with pictures and screen captures in detail and give references where necessary. Introduction, conclusion and references sections are mandatory. Start firstly by defining hardware platform and software tools used in the systems. Due date: 12th May 2021.

    $163 (Avg Bid)
    $163 平均报价
    5 个竞标

    I have some network issues to resolve and also need some trainimg on general network questions. Ready to start now

    $155 / hr (Avg Bid)
    $155 / hr 平均报价
    12 个竞标

    I have a networking task. I need an expert to do this. More details via pm

    $412 (Avg Bid)
    $412 平均报价
    9 个竞标
    Cyber Security 6 天 left

    Lorem ipsum dolor sit amet, consectetur adipiscing elit. In dui sem, molestie quis lorem eu, blandit varius ipsum. Curabitur odio arcu, volutpat sit amet ipsum nec, interdum dapibus ipsum

    $2952 (Avg Bid)
    $2952 平均报价
    2 个竞标

    I needed help with an cisco packet tracer

    $171 (Avg Bid)
    $171 平均报价
    11 个竞标

    I want a network design with: a network diagram using Visio switchers, hubs, routers, web caches, CDN more info in chat.

    $210 (Avg Bid)
    $210 平均报价
    10 个竞标

    Need help in a cyber security project which requires vulnerability assessment of mobile application and CTF(capture the flag)

    $1204 (Avg Bid)
    $1204 平均报价
    2 个竞标
    Raspberry Pi 6 天 left
    已验证

    Raspberry Pi if anyone know bid it

    $179 (Avg Bid)
    $179 平均报价
    4 个竞标
    simulation report 6 天 left
    已验证

    packet tracer, Switches, Routers, Workstations, Operating systems, Routing protocols, IP addressing: hosts, subnet addresses, broadcast addresses, Router-based DHCP server, NAT/PAT, FHRP, Ether channel, VTP, STP

    $225 (Avg Bid)
    $225 平均报价
    8 个竞标
    IT writer needed 6 天 left
    已验证

    IT writer needed for report writing

    $225 (Avg Bid)
    $225 平均报价
    4 个竞标
    IT --- work 6 天 left
    已验证

    IT --- work ..............................................

    $171 (Avg Bid)
    $171 平均报价
    8 个竞标

    Information Security (more commonly referred to as cyber security) has gained increased significance during recent years in view of the exponential growth in cyber threats arising not just from organized groups but also from state sponsored actors. Security is becoming more and more established in the Information Technology structure and it is no longer acceptable for security to be a secondary fu...

    $12586 (Avg Bid)
    $12586 平均报价
    7 个竞标

    Dr Watson is worried that a 56 bit key is not long enough, so he has invented a new combination of DES with a one-time pad. “You see Holmes” he explains, “the government just chooses a one-time pad R, exclusive-or’s this pad with the plaintext P, and then encrypts the result under the first DES key k1. The result is sent by ordinary e-mail to the embassy, and the ambassador...

    $1049 (Avg Bid)
    $1049 平均报价
    1 个竞标

    Risk, Planning for Security & Physical Security, Law & Ethics project

    $870 (Avg Bid)
    $870 平均报价
    6 个竞标

    Dr Watson is worried that a 56 bit key is not long enough, so he has invented a new combination of DES with a one-time pad. “You see Holmes” he explains, “the government just chooses a one-time pad R, exclusive-or’s this pad with the plaintext P, and then encrypts the result under the first DES key k1. The result is sent by ordinary e-mail to the embassy, and the ambassador...

    $1018 (Avg Bid)
    $1018 平均报价
    2 个竞标

    i want some advice on networking and information technology

    $148 (Avg Bid)
    $148 平均报价
    7 个竞标

    packet tracer, Switches, Routers, Workstations, Operating systems, Routing protocols, IP addressing: hosts, subnet addresses, broadcast addresses, Router-based DHCP server, NAT/PAT, FHRP, Etherchannel, VTP, STP

    $181 (Avg Bid)
    $181 平均报价
    1 个竞标

    Hello I am looking for someone who has good command over encryption, decryption, block ciphers, substitution ciphers, feedback function cycle, maximal-length polynomial, known message attack, brute force search, hash functions, el gamal encryption and ciphertext. The freelancer must have a very sound command over the above mentioned topics in order to create an academic document. A degree in Co...

    $932 (Avg Bid)
    $932 平均报价
    5 个竞标
    Information Security Project 5 天 left
    已验证

    Hello I am looking for someone who has good command over encryption, decryption, block ciphers, substitution ciphers, feedback function cycle, maximal-length polynomial, known message attack, brute force search, hash functions, el gamal encryption and ciphertext. The freelancer must have a very sound command over the above mentioned topics in order to create an academic document. A degree in C...

    $326 / hr (Avg Bid)
    本地
    $326 / hr 平均报价
    10 个竞标
    Distributed system security 5 天 left
    已验证

    Dr Watson is worried that a 56 bit key is not long enough, so he has invented a new combination of DES with a one-time pad. “You see Holmes” he explains, “the government just chooses a one-time pad R, exclusive-or’s this pad with the plaintext P, and then encrypts the result under the first DES key k1. The result is sent by ordinary e-mail to the embassy, and the ambassador...

    $583 (Avg Bid)
    $583 平均报价
    1 个竞标

    I need help to Stimulate real life RSA Encryption between sender and recipient. I will share more details in chat.

    $855 (Avg Bid)
    $855 平均报价
    1 个竞标

    Hello I need help with Computer Science Research Paper, please let me know if you can help. thanks

    $210 (Avg Bid)
    $210 平均报价
    29 个竞标
    Cybersecurity 5 天 left
    已验证

    Need to answer 10 questions related with cybersecurity and cryptography. 1. The answers will be short 2. Never ever copy from internet 3. Use your own words what you actually understand.

    $194 (Avg Bid)
    $194 平均报价
    9 个竞标
    Computer Networks 5 天 left
    已验证

    The person must have strong hold of computer network concepts. I will share the details in chat. Ping me if you can do this.

    $117 (Avg Bid)
    $117 平均报价
    5 个竞标

    More details will be shared via chat

    $287 (Avg Bid)
    $287 平均报价
    9 个竞标

    i need a person who knows secure programming and computer security very well

    $870 (Avg Bid)
    $870 平均报价
    2 个竞标
    $16 / hr 平均报价
    2 个竞标

    Hi, im seeking if anyone has the experience to connect via anydesk on my phone or laptop to help me recover deleted pictures which were permanently deleted

    $792 (Avg Bid)
    $792 平均报价
    6 个竞标
    Networking Project -- 3 5 天 left
    已验证

    I need a person who can handle PCAP for networking threats. And I also want him to create a small report as well for this project.

    $124 (Avg Bid)
    $124 平均报价
    6 个竞标
    Networking Project -- 2 5 天 left
    已验证

    I need a person who can create a networking project with the report as well. The person should also provide the PCAP files once done.

    $186 (Avg Bid)
    $186 平均报价
    8 个竞标

    I need to hire an expert who has a sound knowledge of Computer Science, Java, Software Engineering, JSON and web security. If you have a Masters in Computer Science of relevant field it would be appreciated. The job is an academic task and needs someone who has a few publications or has at least an idea of Harvard Referencing styles.

    $326 / hr (Avg Bid)
    本地
    $326 / hr 平均报价
    10 个竞标

    Need help - not able to access shared network drive I have One server in Office... where client are connected using client to LAN VPN. and can ping server also but not able to access shared network drive. few client only having issue. TS plus is installed on server.

    $124 (Avg Bid)
    $124 平均报价
    7 个竞标

    I need someone with strong expertise in AI and ML to work with me in academia scientific research related to DDoS attacks prefer one with Python and network simulation. ****Note**** If you have some qualifications in academic writing only, with technical capability, please don't respond to this project.

    $7808 (Avg Bid)
    保密协议
    $7808 平均报价
    14 个竞标
    Security & Forensics -- 2 5 天 left
    已验证

    if you can do it message me for more info please I need someone serious only ASAP thank you. The file below is not the actual project it is from the past, if you can send me the answers and show your knowledge then I will hire you for the real one.

    $1307 (Avg Bid)
    $1307 平均报价
    12 个竞标

    Create a 1+ hour lesson on types of windows lateral movement techniques and ways to detect them. Lesson should include explanation of techniques and how the detection mechanism works. Prefer Windows 10 and Server 2012+ environments.

    $388 (Avg Bid)
    $388 平均报价
    3 个竞标
    Writing Report 4 天 left
    已验证

    I need help to write a report .

    $109 (Avg Bid)
    $109 平均报价
    37 个竞标

    I am looking to hire someone who has expert level skills with information security and web security. You must have core knowledge of Cryptography. Anyone with a specialisation in Information Security, web security or cryptography can bid on this Project. Anyone applying for this Project must have a sound knowledge of the topic and should at least have a Masters Degree in Computer Science or...

    $350 / hr (Avg Bid)
    本地
    $350 / hr 平均报价
    6 个竞标

    this will be a long term job you will be allocated separate tasks based on your knowledge and previous experience

    $901 (Avg Bid)
    $901 平均报价
    20 个竞标

    sql injection hands-on - access control hands-on- Firewall hands-on

    $233 (Avg Bid)
    $233 平均报价
    7 个竞标

    Need someone good expert in Vulnerability Management (VM) Process Recommendation

    $132 (Avg Bid)
    $132 平均报价
    5 个竞标

    I need you to write the research methodology presentation for a final year project. attached is the research proposal and the methodology presentation rubic. Only those with a computer science background will be considered.

    $373 (Avg Bid)
    $373 平均报价
    8 个竞标
    Cisco ASA connectivity 3 天 left
    已验证

    New service provider configuration

    $388 (Avg Bid)
    $388 平均报价
    17 个竞标

    Need help in a cyber security project. Need to write some report but domain knowledge is must.

    $769 (Avg Bid)
    $769 平均报价
    9 个竞标

    One must have good hold of C++ concepts, and cryptography. Ping me if you are interested. I will share the details in chat.

    $241 (Avg Bid)
    $241 平均报价
    4 个竞标

    I am looking to hire an at least Masters or PhD in Computer Science with Cryptography as majors who must have adequate knowledge of writing and have written research papers and any publications would serve a cherry on top. Must have a very good knowledge of referencing, citing and Harvard Referencing. Your GPA must not be any less than 3.5 in your undergraduate degree and no less than 3.1 in you...

    $311 / hr (Avg Bid)
    本地
    $311 / hr 平均报价
    19 个竞标
    Cryptography Task 3 天 left
    已验证

    Anybody with good skills can drop a message.

    $140 (Avg Bid)
    $140 平均报价
    5 个竞标

    Here is a glimpse of the work, I need help in creating a fixed RSA private and public key for a certification authority. There is one assumption that the server possesses a certificate containing its public key and the client is familiar with the public key of the certification authority. Ping me if you can do this. I will share the complete details in chat.

    $155 (Avg Bid)
    $155 平均报价
    1 个竞标

    when sending a HTTP request to implement XXE web vulnerability how can bypass SMB handshake

    $1554 (Avg Bid)
    $1554 平均报价
    1 个竞标

    Setting CyberGhost VPN on Tp-link Archer A10 Router

    $140 (Avg Bid)
    $140 平均报价
    4 个竞标