Freelance Security Engineers in Los AngelesFreelance Security Engineers in Los Angeles

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AI Integration & Automation Engineer | Full-Stack Web Apps
$50k+
Earned
65x
Hired
4.9
Rating
126
Followers
AI Integration & Automation Engineer | Full-Stack Web Apps
Cyber expert specialising in Azure Security Services.
$10k+
Earned
4x
Hired
5.0
Rating
22
Followers
Cyber expert specialising in Azure Security Services.
Turning broken Replit code into secure launch-ready B2B apps
$1k+
Earned
12x
Hired
5.0
Rating
40
Followers
Turning broken Replit code into secure launch-ready B2B apps
Cyber Security Analyst
Cyber Security Analyst
Cover image for Performed a manual, black-box security
Performed a manual, black-box security assessment of a locally-hosted large language model served through LM Studio, using Burp Suite as the primary testing tool. The engagement began with no prior knowledge beyond a single IP address, mirroring how an external attacker would approach an exposed AI server discovered on a network. Worked through a full discovery-first methodology: confirming the target was live, enumerating the server's exposed endpoints by probing and reading response codes, extracting the loaded model name directly from the API, and proving the expected request format through the server's own error responses rather than assuming it. This reconnaissance phase converted an unknown target into a complete map of its attack surface. With the attack surface established, executed a series of manual techniques through Burp's Repeater and Intruder tools, including prompt injection, system prompt extraction, role and system-message injection, parameter manipulation, error-message disclosure, and authentication testing. Demonstrated additional Burp capabilities relevant to AI systems, including response comparison to prove behavioral changes under attack, randomness testing of server-generated identifiers, and live request tampering to illustrate a man-in-the-middle scenario against AI traffic. Organized all findings into a structured vulnerability map aligned to OWASP LLM risk categories, recording each technique's result, severity, and supporting evidence. Delivered the work as a complete, reproducible, beginner-accessible walkthrough covering environment setup, discovery, exploitation, and reporting.
0
92
Smart Contract Audit for Secure Results
Smart Contract Audit for Secure Results
UI/UX Designer & Developer
5.0
Rating
13
Followers
UI/UX Designer & Developer