Seguridad informática Jobs

We are seeking a skilled Network Engineer to design and configure a redundant internet failover system for an enterprise client in Nigeria. The goal is to achieve 99.9% uptime using two internet sources with automatic switching. Scope of Work: 1. Consult on Multi-WAN/SD-WAN architecture. 2. Configure automatic failover between Primary Fiber and Backup Satellite link (Starlink). 3. Conduct testing, provide documentation, and complete handover. Requirements: - Experience with Peplink, MikroTik, Fortinet, or Cisco. - Familiarity with Starlink integration is a plus. - Must sign an NDA before full details are shared. - Availability for physical setup in Lagos during the final phase is required. Budget: $3,500 USD fixed. Final cost will depend on the proposed solution and hardwar...

I need an expert and engineer who can design, deploy, and validate resilient, high-throughput, time-synchronized SDR transport over Peplink/SD-WAN to a multi-static fusion center. SD-WAN / Peplink: SpeedFusion bonding, hot failover, WAN smoothing, FusionHub, InControl 2. Topology Design: Hub-and-spoke/mesh SD-WAN for many SDR sites to NOC fusion center. Routing / Switching: BGP, OSPF, policy-based routing, VLANs, multicast. Security: IPsec VPN, firewalls, zero-trust transport for SDR/IQ data. QoS: DSCP, queuing, shaping/policing for time-sensitive radar/SDR traffic. High Throughput: 10/40/100G Ethernet, jumbo frames, TCP/UDP tuning, NIC offload. Timing / Sync: IEEE 1588 PTP, SyncE, White Rabbit; latency symmetry and time-error budgets. RF / SDR Awareness: IQ data rates, coherent multi-sta...

正文： 做外贸的朋友，如果碰到客户要求走S2S、KTT或者涉及MT103这类付款方式，自己又没有渠道对接的，可以私信我。 我这边有跨境结算渠道，可以处理这类付款方式的对接和协调。不收前期费用，成不成看具体业务。 有需要的站内私信，或者留个联系方式，我加你。 1 Title: Seeking Elite Cybersecurity Expert – Verifiable Track Record Required Description: We are looking for a top-tier cybersecurity expert for a potential long-term collaboration. Who we are looking for: · Advanced expertise in cybersecurity, penetration testing, or security research · Must be able to provide verifiable case examples, such as: · CVE numbers or published vulnerability research · Bug bounty platform records (HackerOne, Bugcrowd, etc.) · Security conference talks or published technical write-ups · Red team / penetration testing engagements with verifiable references · Relevant...

I need an accelerator blocker to prevent unauthorized use of my vehicle. This anti-theft device should be activated and deactivated via a remote control. Key Requirements: - Function: Block accelerator to prevent unauthorized use - Activation/Deactivation: Remote control Ideal Skills and Experience: - Experience in developing vehicle security systems - Knowledge of remote control integration - Expertise in electronic engineering - Background in anti-theft device design and implementation Please provide examples of similar work and ensure the solution is reliable and secure.

I need KiwiIRC installed and fully configured on my existing Linux server. The job includes connecting it to my chosen IRC network, applying best-practice hardening, and enabling SSL/TLS so all connections are served over HTTPS. Please handle every step—from fetching the latest stable KiwiIRC build, through dependency checks and firewall adjustments, to generating or installing certificates—so that the final deployment is production-ready and safe for public use. Deliverables: • KiwiIRC running on my server behind SSL/TLS • Clean, documented config files and any commands used • A quick hand-off guide explaining how to start, stop, and update the service

I want to create a professional mock client project for my cybersecurity portfolio. The project should represent the type of Web Application Security Assessment service I plan to offer on freelance platforms such as Upwork, Freelancer, Mostaql, and Khamsat. Project Title: Web Application Security Assessment & Vulnerability Report Project Description: Create a realistic, professional cybersecurity assessment project for an authorized web application in a legal training environment. The goal is to simulate a real client requesting a security assessment of their web application. The project should demonstrate practical skills in web security testing, vulnerability identification, documentation, and professional reporting. Requirements: * Use Burp Suite and Nmap for security testing. ...

My home network needs a thorough security overhaul focused on cybersecurity and data protection. I’m looking to tighten every layer—router configuration, firewall rules, Wi-Fi encryption, secure remote access, and reliable backup strategies—so that every device in the house stays protected without slowing anything down. Here’s what I expect from your work: • Assess the current home-grade modem/router and recommend or apply best-practice hardening. • Set up WPA3 (or strongest available) Wi-Fi security, strong passwords, and guest isolation. • Implement endpoint protection on laptops, phones, tablets, and any IoT gear. • Configure automatic, encrypted backups to local NAS or trusted cloud storage. • Provide a concise hand-off document...

MICROSOFT SECURITY ANALYST & SECURITY ENGINEER PRACTICAL PROGRAM We are looking for an experienced Microsoft Security Analyst / Security Engineer to serve as a technical instructor for a practical Microsoft Security training programme. LANGUAGE REQUIRE REQUIREMENT: FLUENCY IN ENGLISH Excellent Communication is Require. Our target students are IT Support professionals, system administrators, network engineers, and individuals with general IT/technical knowledge who want to transition into Microsoft Security Operations and Security Engineering. TRAINING OBJECTIVE The objective is to transform participants from general IT/technical roles into practitioners who can identify, investigate, analyse, recommend remediation, implement security controls, verify remediation, and document M...

Job Title: Urgent Android Phone Hacking, Screen Mirroring & Possible Phone Cloning Investigation My personal mobile phone may have been compromised. I need an experienced mobile cybersecurity / digital forensics expert to investigate my device for unauthorized access. I am particularly concerned about: - Unauthorized screen mirroring or screen sharing - Remote access/control of my phone - Possible phone cloning or duplication of my mobile activity - Spyware or stalkerware - Malware and suspicious applications - Unauthorized access to my Google account, WhatsApp, email, or other applications - Suspicious device-admin/accessibility permissions - Unknown VPNs, certificates, profiles, or configuration changes - Unauthorized SIM/eSIM or account-related activity What I need Please condu...

Job Title: Cybersecurity & Digital Forensics Expert Job Type: Contract Location: Remote Experience: 5+ years Job Description We are looking for an experienced Cybersecurity & Digital Forensics Expert to investigate cyber incidents, identify suspicious activities, trace network activity, and support authorized investigations involving compromised systems, accounts, and devices. The ideal candidate should have strong hands-on experience in ethical hacking, penetration testing, digital forensics, OSINT, network security, IP analysis, and incident response. Key Responsibilities Investigate cybersecurity incidents, unauthorized access, suspicious accounts, and potential security breaches. Perform IP address analysis and authorized IP geolocation to determine the approximate geograp...

I am rolling out FortiNAC across a 40-user environment and need an experienced hand to configure it so we immediately raise our security posture. The main objective is crystal clear: enhance overall network security. Here is what I need achieved: • Build and refine access-control policies that automatically grant or deny connectivity based on user role and device posture. • Segment the network so that computers and laptops, mobile devices, and a growing mix of IoT equipment each sit in the right security zone with least-privilege access. • Complete the full FortiNAC setup: appliance or VM provisioning, switch/WLAN integration, 802.1X configuration, guest onboarding, and testing of enforcement actions. • Provide concise documentation and a quick-reference guide...

Google/Gmail Account Recovery Assistance Needed I need help recovering access to an old Google/Gmail account that belongs to us. We currently have: the exact Gmail address; the last known password that was used on the account; some knowledge of the account's previous usage/history. We no longer have: access to the old recovery phone number; access to a recovery email; access to previously trusted/logged-in devices. I am looking for someone who has real experience with Google Account Recovery, especially difficult cases where the recovery phone/email and trusted devices are no longer available. I need someone who can: Review the current situation and determine what legitimate recovery options may still be available. Guide us through Google's official account recovery proce...

Auditeur Interne Freelance (H/F) — Full Remote — Mission ponctuelle Notre client, un groupe international en forte croissance (secteur confidentiel dans le cadre de ce recrutement), recherche un(e) Auditeur Interne freelance pour une mission ponctuelle de renfort sur sa fonction audit/contrôle interne. Contexte de la mission Mission indépendante, en full remote, au sein d'une équipe audit interne opérant à l'échelle internationale. Les échanges (réunions, reporting, documentation) se font en anglais dans la quasi-totalité des situations — un niveau d'anglais professionnel courant, à l'oral comme à l'écrit, est indispensable. Il s'agit d'une prestation ...

I need a thorough security assessment of both our public-facing web applications and the underlying network infrastructure. For the web layer, your testing must zero-in on two critical areas—Authentication & Authorization and Input Validation—so we can be confident that user identities are protected and no injection or validation bypass is possible. On the network side, I’m looking for the classic internal and external penetration workflow: reconnaissance, vulnerability discovery, exploitation, and clear remediation guidance. Deliverables • Executive summary that highlights overall posture and business risk • Technical report detailing: – Findings for Authentication & Authorization – Findings for Input Validation – Networ...