Uncover Hidden Risks in
AI & LLM Systems with
Expert Penetration Testing.
Safeguard your AI and Large Language Model (LLM) applications with our advanced penetration testing services.
Artificial Intelligence / LLM Penetration Testing at S&I Security
At S&I Security, our Artificial Intelligence (AI) and Large Language Model (LLM) Penetration Testing service is designed to identify critical vulnerabilities within AI-driven systems and models, including LLMs like GPT, BERT, and others. As AI technologies become deeply embedded in business operations, they introduce new and complex security risks. From adversarial attacks and data poisoning to model inversion and privacy breaches, the threats are diverse and evolving.
Our specialized testing simulates real-world attack scenarios to uncover flaws in your AI models, APIs, datasets, and deployment environments. This ensures your AI systems remain secure, trustworthy, and resilient against exploitation.
Our Approach
- Define scope and AI components.
- Enumerate attack surfaces and inputs.
- Evaluate prompt injection and manipulation.
- Test model output filtering and alignment.
- Assess training data exposure risks.
- Probe for plugin and API abuse.
- Inspect authentication and session control.
- Analyze model behavior under adversarial input.
- Review logging, telemetry, and observability.
- Report findings and provide recommendations.
Our Testing Process
Analyze
Threat Model
Passive/Active Testing
Exploitation
Reporting
Why Choose S&I Security AI / LLM Penetration Testing?
- Specialized expertise in LLM security.
- Full-stack AI attack simulations.
- Alignment with emerging AI standards.
- Red-teaming inspired approach.
- Data exposure and memorization testing.
- Secure integration verification.
- Privacy, ethics, and alignment checks.
- Actionable, technical remediation guidance.
- Post-mitigation retesting and validation.
- Trusted by AI innovators and enterprises.
Five areas of AI & LLM Penetration Testing

At S&I Security, our IoT Penetration Testing service is designed to uncover vulnerabilities across Internet of Things (IoT) devices and their connected networks. As IoT ecosystems rapidly expand and transform industries, securing these devices is more critical than ever. Our expert team adopts a thorough methodology—analyzing device firmware, communication protocols, and network configurations—to identify potential security gaps. By replicating real-world attack vectors, we expose hidden threats that could be exploited by adversaries. After the assessment, we deliver comprehensive reports with clear, actionable recommendations tailored to your unique IoT environment. With S&I Security, you can proactively strengthen your defenses and protect your connected assets from emerging cyber risks.

At S&I Security, our Black Box Penetration Testing service is crafted to evaluate the security of your systems from an outsider’s perspective—without any prior knowledge of the internal architecture. This method mirrors real-world attack scenarios, helping uncover vulnerabilities that external hackers might exploit. Our security professionals simulate reconnaissance, perform vulnerability scans, and attempt exploitations through application and network interfaces to expose weaknesses.
The insights gained from this testing offer a clear picture of your current security posture, pinpointing high-risk areas and delivering actionable recommendations to strengthen your defense. With this proactive approach, you not only safeguard your critical assets but also align with regulatory compliance and industry best practices—ensuring your organization remains resilient in an evolving threat landscape.

At S&I Security, we understand that your applications are the backbone of your business—and keeping them secure is non-negotiable. Our Application Penetration Testing service goes beyond just checking boxes. We take a deep, hands-on approach to identify vulnerabilities in everything from AI and LLM systems to web, mobile, cloud, and even firmware-based applications.
Our seasoned experts blend intelligent automation with thoughtful manual testing to uncover real threats—just like an attacker would. Whether it’s safeguarding APIs in your cloud stack or ensuring your AI models handle data securely, we tailor our testing to your unique environment. What you get isn’t just a report—it’s a roadmap to resilience, with clear, actionable insights that help you protect your data, reputation, and users. With S&I Security, you’re not just tested; you’re truly protected.
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At S&I Security, our DevOps Security Testing service seamlessly integrates robust security practices into every phase of the DevOps pipeline, making security a core element of the software development lifecycle. We focus on proactive measures by conducting thorough security assessments from initial code development to final deployment. Our methodology includes automated vulnerability scanning, manual code reviews, and configuration checks to identify and mitigate risks early in the process.
By working collaboratively with development and operations teams, we help instill a strong culture of security awareness and compliance. The actionable insights gained from our testing empower organizations to respond to threats quickly and reinforce their application and infrastructure security without compromising the speed and agility that DevOps delivers.

At S&I Security, our Firmware Security Testing service safeguards the core of your hardware.
Firmware forms the backbone of device functionality and is an increasingly common target for cyberattacks. S&I Security focuses on identifying critical vulnerabilities such as insecure boot mechanisms, hardcoded credentials, and unprotected firmware update processes. Our in-depth analysis includes firmware binaries, configuration files, and source-level code to detect and mitigate potential threats.
We deliver detailed remediation guidance and secure coding best practices to support your engineering teams. With S&I Security’s proactive testing approach, your firmware is fortified against both current and emerging security risks helping you protect your devices and uphold the trust your customers place in your technology.
Get Started Today!
Contact us now to schedule a consultation and strengthen your cybersecurity defenses. Let’s protect your business from tomorrow’s threats, today!