Cybersecurity

Click any project to see full details, client need, and apply.

Cybersecurity

Posted 20 hours agoMedium

Proposals:0 to 2

Security and Code Review Specialist

The client needs an experienced specialist to review internal infrastructure and applications for security vulnerabilities and code quality issues. The freelancer must identify risks, document findings, and recommend practical improvements to strengthen system security and reliability. The work requires both infrastructure security knowledge and the ability to review application code independently.

Australia Secure Code Consulting

Australia

$2,500.00 fixed price

Network SecurityPenetration Testing+9 Skills

$ 450 spent

Payment Unverified

Posted 20 hours agoLarge

Proposals:0 to 2

Cybersecurity Consultant: Security Assessment & Remediation

The client needs a cybersecurity expert to review the organization's current security posture, identify vulnerabilities, improve security configurations, and help remediate high-priority risks. The work covers user accounts, devices, cloud services, networks, backups, website security, GDPR-related data protection, and staff security awareness.

Croatia Cybersecurity Solutions

Croatia

$1,000.00 fixed price

Information Security AuditInformation Security+12 Skills

$ 450 spent

Payment Verified

Posted 4 days agoMedium

Proposals:0 to 2

Independent Security Reviewer (Contract, Remote)

Private family office in Cyprus is looking for an independent senior security reviewer to assess completed technical work before it goes live. The role is review-only — no development or fixing of the systems being reviewed. Scope includes: Security review of code and architecture AWS/IAM permissions review OAuth integrations such as Gmail GitHub pull request reviews Backup and restore review Independent security assessment and reporting The client requires senior hands-on experience in cloud security, AppSec, or DevSecOps, with proven experience conducting independent reviews and producing reports understandable to non-technical readers. English is required; Russian is a plus.

WorkingTrust Client

Vietnam

$800.00 fixed price

Network SecurityPenetration Testing+10 Skills

$ 450 spent

Payment Verified

Posted 4 days agoMedium

Proposals:0 to 2

Digital Forensics Specialist – Employee Laptop Investigation

The client is looking for an experienced digital forensics specialist to examine a company-issued laptop and determine whether company files or information were copied, transferred, uploaded, deleted, or moved to an employee's personal devices or accounts. The laptop has been formatted, so the specialist needs experience with forensic recovery and analysis of available artifacts. The investigation will focus on one laptop and should identify evidence related to USB devices, external storage, personal cloud accounts, email, browser activity, file synchronization, deleted files, and other potential data-exfiltration activity.

WorkingTrust Client

South Korea

$120.00 fixed price

Summary of forensic procedures performed.Timeline of relevant laptop activity.+11 Skills

$ 87K+ spent

Payment Verified

Posted 4 days agoMedium

Proposals:0 to 2

Cybersecurity Engineer

The client is building a new managed cybersecurity services company focused on helping small and midsize businesses improve their security, with plans to expand to larger organizations. They are looking for an experienced cybersecurity professional to become the initial Technical Lead and help establish the technical side of the company. The founder will handle business development, sales, marketing, and customer acquisition, while the cybersecurity engineer will develop cybersecurity services, technology stacks, security procedures, and client-delivery processes

WorkingTrust Client

United States

$4,200.00 fixed price

CybersecurityMicrosoft 365 Security+12 Skills

$ 450 spent

Payment Unverified

Posted 4 days agoMedium

Proposals:0 to 2

Cyber Security Application

The client needs an expert cybersecurity professional to conduct a comprehensive security assessment of an Android and iOS mobile application. The assessment should cover mobile application security, API and backend penetration testing, authentication and authorization, database and sensitive data protection, payment security, and OWASP Mobile/MASVS and API security standards. The developer will identify vulnerabilities and security risks, provide a detailed security report with recommended fixes, and perform retesting after the identified issues have been resolved.

WorkingTrust Client

tunisia

$2,000.00 fixed price

Cybersecurity ManagementInformation Security+8 Skills

$ 450 spent

Payment Verified