Segurança de computadores Jobs

I have a brand-new travel router that still sits in its factory state. I want it fully ready for my next trip, so the task is the initial setup and configuration from start to finish. Here’s what I need: • Configure the router so it can accept an incoming Ethernet cable as its WAN source, then broadcast a secure Wi-Fi network for personal use while I’m on the road. • Set SSID, strong WPA2/WPA3 password, admin credentials, time-zone, and any essential regional settings. • Apply best-practice security options: disable unnecessary services, change default ports if advisable, and verify the latest stable firmware is running. • Walk me through or remotely perform the setup (TeamViewer, AnyDesk, or a similar tool works for me) and leave me with a short, s...

I want to stand up a small-scale lab at home where I can safely probe for weaknesses in both Windows and Linux machines. The main goal is to reproduce the kinds of flaws that appear on systems that have missed patches or are running outdated services, then verify that I can detect them. Scope • Two guest operating systems – one Windows, one Linux – each intentionally left un-updated so I can study real-world mis-configuration and missing-patch issues. • A virtualised environment (VirtualBox, VMware, or similar) so I can reset snapshots quickly after every test round. • Network segmentation that mirrors a simple corporate LAN so I can scan from an “attacker” node without jeopardising the rest of my home network. Testing focus I plan to sta...

You are a QA and security tester. Branch under test: fix/phase0-security. Do NOT modify any source files. You may create temporary test scripts in /tmp or a tests/qa folder. Run everything against a LOCAL server with a throwaway database. Never contact production or real Cashfree/SMS APIs (mock them). Never print real secret values. Setup: start the server locally in production mode (NODE_ENV=production) with test env values. Seed test users: OWNER, ADMIN(SUPPORT), ADMIN(MASTER), PARTNER, AGENT, and two USER accounts. For each check below, report PASS / FAIL / UNVERIFIED with the exact request, response status/body, and file:line of the relevant code. A. REVIEWER LOGIN 1. REVIEW_LOGIN_* unset: phone 7750038967 + OTP 123456 -> must FAIL. 2. Enabled with fake phone + correct OTP ->...

I am investigating a series of Kubernetes issues inside my AWS EKS cluster while, in parallel, tightening overall protection for our Windows environment. At the EKS level I need clear, actionable troubleshooting that pinpoints why certain pods occasionally lose connectivity and how that behaviour cascades through the wider network. Packet-flow analysis, security-group review and any recommended Calico or CNI tweaks are all on the table; the end goal is a concise set of steps I can reproduce to keep the cluster healthy and resilient. On the workstation side my priority is “Sécurisation de postes de travail Windows et de réseau informatique”. The focus rests on our standard desktops and laptops (no Windows servers in scope right now). I want a straightforward harde...

I am working with OMNeT++ 6.0.3 and INET 4.5 and need a clean, reproducible simulation that focuses on data aggregation in a wireless sensor network. The goal is to model the TEEN (Threshold-sensitive Energy Efficient sensor Network) protocol end-to-end, run a set of meaningful experiments, and then turn the results into a concise technical report. Scope of work • Build or adapt an INET-based WSN scenario that incorporates TEEN’s clustering and threshold rules for data aggregation. • Configure node count, sensing rate, radio parameters, and traffic patterns so they highlight the protocol’s strengths. • Run multiple simulation seeds; capture metrics such as packets aggregated, end-to-end delay, delivery ratio, and any other indicators you feel are vital for a...

Looking for a company that can do managed services for servers, cloud for Windows and security. Professionals who monitor, manage, and optimize the servers, cloud, and networks — ensuring performance, security, and complete management for dedicated servers including VM's. our servers are generally issue free. we just need to make sure someone is watching since we cannot. So during our working hours if anything is slowing things down or server has speed issues or anything we will need someone to be on it, look and advise and fix and then update us and document it. I need this service on 3 servers hosted in the cloud to be watched. Of course regular maintenance, checks during our off hours, backups, monitoring & stuff like that will need to happen on a regular basis. ...

I need a security expert to conduct a vulnerability assessment on my website. The main goal is to identify and fix security weaknesses before they can be exploited. Key requirements: Vulnerability Assessment Focus: Identify security flaws in the site. Experience with security tools and frameworks. Ability to provide a detailed report on findings and recommendations. Prior experience in security testing for websites is preferred. Please share relevant experience and approach.

I need reliable, hands-on help getting a small Local Area Network running smoothly. The environment is straightforward—just a mix of Windows and macOS computers, a few laptops, and several servers / network-attached storage units—but I want it configured properly from the start and fully documented. Here’s what I expect you to handle: • Assign static and dynamic IP addresses so every computer, laptop, and storage server sits in the right subnet with zero conflicts. • Fine-tune the router and switch settings (layer-2/3 VLANs, basic routing, link aggregation if useful) to maximise performance and resilience. • Troubleshoot any connectivity or throughput issues you uncover, using standard diagnostic tools (ping, traceroute, Wireshark, etc.) as well as you...

I run production workloads on AWS EKS and, from time to time, I hit two recurring pain points: pods that restart in loops and source-to-destination reachability failures inside the cluster. When a CrashLoopBackOff or abrupt connectivity drop appears, I need an expert who can drop in quickly, trace the cause, apply a solid fix, and then document what was done so the issue stays resolved. The work usually involves digging through Kubernetes events with kubectl, checking CloudWatch and container logs, inspecting liveness/readiness probe settings, reviewing resource limits, and following packets through the AWS VPC CNI, ENIs, security groups, and route tables until we know exactly why traffic stops mid-flight. Familiarity with tools like eksctl, tcpdump, Wireshark, Prometheus, and AWS netwo...

I have a brand-new travel router that still sits in its factory state. I want it fully ready for my next trip, so the task is the initial setup and configuration from start to finish. Here’s what I need: • Configure the router so it can accept an incoming Ethernet cable as its WAN source, then broadcast a secure Wi-Fi network for personal use while I’m on the road. • Set SSID, strong WPA2/WPA3 password, admin credentials, time-zone, and any essential regional settings. • Apply best-practice security options: disable unnecessary services, change default ports if advisable, and verify the latest stable firmware is running. • Walk me through or remotely perform the setup (TeamViewer, AnyDesk, or a similar tool works for me) and leave me with a short, s...

NO PLACEHOLDERS. Do not insert a placeholder: please read the project details carefully because here are all the details you need to make an accurate estimation. I am seeking targeted assistance to install Kalidroid (the Kali Linux environment for Android) on my Google Pixel 10a, which is already running the latest build of GrapheneOS. Objective – Create a stable setup for security testing, with all key Kali tools fully functional, without compromising GrapheneOS's security defenses. What I expect 1. A step-by-step guide (or video-call support) for flashing or importing the Kalidroid image. 2. Configuration of network settings, permissions, and repositories to ensure penetration testing packages update correctly. 3. Final verification: running specific utilities (e.g., nmap,...

Looking for a cyber security data breach researcher and OSINT expert.

cybersecurity advisor to setup cyber security environment for website and employees

I'm looking for assistance with my CCNA assignments. The topics include: - Networking Fundamentals - Routing and Switching - Security Fundamentals I need help with assignment completion and practice questions. The format should be online coursework. Ideal candidates should have: - CCNA certification or extensive knowledge - Experience in completing CCNA assignments - Ability to provide practice questions Please provide a portfolio or examples of previous work.

I need advice on setting up a mesh WiFi system to improve weak signal in one room at the far end of my small home. Ideal Skills and Experience: - Experience with home networking - Knowledge of mesh WiFi systems - Ability to provide clear, actionable recommendations

My main Roblox account was hijacked and I’m locked out. I need a specialist who has successfully dealt with Roblox Support before and can walk me through, or directly handle, every step required to regain control. Here’s what I can already provide: • Several of my previous passwords • Extensive visual proof, including screenshots of recent activity that clearly shows the unauthorized access Your job is to: • Prepare and submit the strongest possible recovery ticket to Roblox Support, referencing all proof I supply • Advise on any follow-up wording or additional evidence if Support requests more details • Guide me in resetting security settings—password, two-step verification, trusted devices—once access is restored so the issue doesn...