Noma Security Secures $100M Series B, Leading the Charge in AI Agent Security

In a pivotal moment for the rapidly evolving landscape of artificial intelligence, Noma Security has announced the successful closure of a substantial $100 million Series B funding round. This significant capital infusion, as of 2025, firmly establishes the company as a frontrunner in the critical domain of safeguarding AI systems and the increasingly autonomous agents that power them. The investment signals a growing recognition of the profound security challenges that accompany the widespread adoption of AI across various industries.

The Urgent Imperative: Securing AI Agents in a Connected World

The year is 2025, and artificial intelligence is no longer a futuristic concept; it’s an integral part of our daily operations. As AI agents become more sophisticated, capable of executing complex tasks with minimal human oversight, the need for robust security measures has never been more pronounced. These agents, from customer service chatbots to sophisticated code-generation tools, significantly expand the potential attack surface for malicious actors. Traditional security frameworks, designed for a pre-AI era, often fall short when confronting the unique vulnerabilities presented by these intelligent systems.

Consider the sheer breadth of tasks an AI agent might perform. They can interact with external services, process vast amounts of data, and even make decisions that impact business operations. Each of these capabilities, while beneficial, also represents a potential entry point for security breaches. The autonomous nature of these agents means that a compromise could have far-reaching and rapid consequences, making proactive and comprehensive security solutions an absolute necessity for any organization leveraging AI.

Navigating the Evolving Threat Landscape of AI Agents

The security challenges posed by AI agents are multifaceted and constantly shifting. Understanding these threats is the first step in developing effective defenses. One of the primary concerns lies in the inherent unpredictability that can arise from complex, multi-step user inputs. Attackers can exploit this unpredictability by crafting malicious inputs that manipulate the agent’s behavior, leading to unintended and potentially harmful outcomes.

Furthermore, the internal workings of AI agents, their intricate decision-making processes, and the diverse environments in which they operate present a complex web of potential vulnerabilities. As these agents interact with a multitude of systems and data sources, the risk of compromise increases. The possibility of an AI agent interacting with untrusted external entities further heightens these security concerns, creating a dynamic and challenging environment for security professionals.

The Specter of Rogue AI Agents: Specific Threat Vectors

The concept of an AI agent “going rogue” isn’t science fiction; it’s a tangible risk stemming from specific attack vectors that adversaries can exploit. These threats are sophisticated and require equally sophisticated countermeasures.

Prompt Injection and Manipulation: Hijacking AI Intent

One of the most pervasive threats is prompt injection. This is where attackers embed subtle, often deceptive, instructions within the data or prompts that an AI agent processes. The goal is to hijack the agent’s intended behavior, potentially leading to the leakage of confidential information or the execution of unauthorized actions. Imagine an AI agent browsing the web and encountering a malicious pop-up designed to trick it into revealing sensitive company data – this is the reality of prompt injection.

The insidious nature of prompt injection lies in its ability to disguise malicious commands as legitimate user input. This can be particularly dangerous when AI agents are integrated into customer-facing applications or internal workflows, where they are expected to process a wide variety of inputs. A seemingly innocuous request could, in fact, be a carefully crafted payload designed to compromise the system.

Memory Poisoning and Data Corruption: Undermining AI Integrity

AI agents rely heavily on the data they process and the memories they form to make decisions. Attackers can target this crucial aspect by poisoning the agent’s memory or corrupting its training data. This can introduce subtle biases or outright errors into the agent’s decision-making process, leading to flawed outputs and potentially disastrous consequences. For instance, an AI system used for financial analysis could be fed corrupted data, leading to incorrect investment strategies.

The impact of data corruption can be subtle yet devastating. An AI agent might begin to exhibit discriminatory behavior due to biased data it has been exposed to, or its performance could degrade significantly, making it unreliable for critical tasks. Maintaining the integrity of the data that AI agents interact with is therefore a paramount concern.

Privilege Misuse and Escalation: Exploiting Trust

A significant security concern arises from the fact that AI agents often operate with the same permission levels as the users who deploy them. This means that if an attacker gains control of an AI agent, they could potentially leverage its access to sensitive systems and data. This creates new attack surfaces that might not be adequately protected by traditional security measures. Imagine an AI agent with access to a company’s entire customer database; if compromised, this would represent a catastrophic data breach.

The principle of least privilege is a fundamental tenet of cybersecurity, but its application to AI agents can be complex. When an agent needs broad access to perform its functions, it inherently becomes a more attractive target for attackers. The ability for an attacker to escalate privileges through a compromised AI agent can lead to widespread system compromise.

Resource Overload and Denial of Service: Disrupting Operations

Just like any other software system, AI agents can be vulnerable to denial-of-service (DoS) attacks. Attackers can overwhelm an AI agent with an excessive volume of requests, impairing its performance, causing system instability, or rendering it completely inoperable. This is particularly problematic in environments where multiple AI agents interact, as a DoS attack on one agent could have cascading effects on the entire system.

The goal of such attacks is disruption. By overwhelming the AI agent, attackers can prevent legitimate users from accessing critical services or cause significant operational downtime, leading to financial losses and reputational damage. Ensuring the resilience of AI agents against such attacks is crucial for maintaining business continuity.

AI Impersonation and Spoofing: Deception and Exploitation

A particularly concerning threat is AI impersonation and spoofing. Malicious actors can create AI agents that mimic the behavior of trusted entities, tricking users or other systems into granting unauthorized access or executing harmful actions. As AI agents become more sophisticated and seamlessly integrated into workflows, distinguishing between a legitimate agent and a spoofed one can become increasingly difficult. This is especially true when AI agents act as “shadow users,” operating with broad access and minimal direct human oversight.

The implications of AI impersonation are far-reaching. Imagine a spoofed AI assistant that convinces an employee to transfer funds to a fraudulent account or that impersonates a legitimate system to extract sensitive credentials. The ability of AI to generate human-like responses and behaviors makes these types of attacks highly effective.

Data Exposure and Unintentional Disclosure: The Perils of Unchecked Sharing

In the rush to leverage AI, users and organizations may inadvertently share sensitive or proprietary information with AI tools without fully understanding the implications. A lack of clarity regarding data handling policies, data residency, and retention practices can lead to unintentional data exposure. When data is sent to external AI servers for processing, concerns about compliance with regulations like GDPR or CCPA become paramount.

The ease with which users can interact with AI tools can sometimes lead to a disregard for data security best practices. A simple copy-paste of sensitive code into a generative AI tool, for example, could result in that code being exposed to a wider audience or used for training future models, posing a significant intellectual property risk.

Audit and Accountability Challenges: The Black Box Dilemma

The autonomous nature of AI agents presents a significant challenge for auditing and accountability. When an AI agent makes a mistake or is involved in a security incident, it can be difficult to pinpoint responsibility. Verifying human engagement in an agent’s actions and assigning accountability for errors or breaches becomes a complex task, particularly in highly automated environments. This ambiguity can create significant hurdles for compliance and regulatory adherence, especially in industries with strict oversight requirements.

Establishing a clear audit trail and ensuring that every action taken by an AI agent can be traced back to a responsible party is essential for maintaining trust and security. Without this, organizations risk facing significant legal and financial repercussions in the event of a security incident.

Noma Security: A Shield for the AI Revolution

In response to these pressing challenges, Noma Security has emerged as a pivotal player, offering a comprehensive solution designed to secure, govern, and manage AI systems and agents. Founded in 2023 by Niv Braun (CEO) and Alon Tron (CTO), the company benefits from the founders’ deep expertise in AI, application security, and data science. Their mission is clear: to instill confidence in AI adoption by making its security as seamless and automatic as its use.

Noma Security’s platform is built on the understanding that AI security is not a single product but a holistic approach that encompasses visibility, posture management, runtime protection, and governance. By providing a unified solution, Noma aims to empower organizations to harness the full potential of AI without compromising their security or regulatory compliance.

The Pillars of Noma Security’s Platform: A Comprehensive AI Defense

Noma Security’s platform is engineered to address the intricate and evolving risks associated with AI, offering a robust suite of capabilities:

AI Asset Discovery and Visibility: Knowing Your AI Footprint

The foundational step in securing AI is understanding what assets are in play. Noma Security’s platform provides end-to-end visibility across all AI environments, from the initial stages of model development through to application runtime and the deployment of autonomous AI agents. This comprehensive discovery process enables organizations to accurately catalog their AI assets, identify potential risks, and establish a baseline for their security posture.

Without clear visibility into all AI deployments, including models, data pipelines, and agent configurations, organizations are effectively flying blind. Noma’s solution ensures that no AI asset goes unnoticed, providing a consolidated view that is essential for effective risk management.

AI Security Posture Management (ASPM): Proactive Risk Mitigation

Noma Security empowers organizations to proactively manage their AI security posture through its ASPM capabilities. The platform identifies, prioritizes, and helps mitigate emerging risks across various environments, including cloud infrastructure, source code repositories, and AI development platforms. This continuous assessment and remediation process are crucial for staying ahead of the rapidly evolving threat landscape.

By continuously scanning and analyzing AI systems, Noma’s ASPM helps pinpoint vulnerabilities before they can be exploited. This proactive approach is far more effective than reactive incident response, allowing organizations to build a more resilient AI security framework.

Runtime Protection for AI Agents: Real-Time Defense

Ensuring the secure operation of AI agents in real-time is paramount. Noma Security’s platform delivers robust runtime protection, offering capabilities for real-time monitoring, blocking, and intelligent alerting. This defense mechanism is designed to actively counter AI adversarial attacks and prevent data leakage, ensuring that AI agents operate strictly within defined safety guardrails and ethical boundaries.

The ability to detect and respond to threats as they occur is critical for minimizing the impact of attacks. Noma’s runtime protection acts as a vigilant guardian, safeguarding AI agents from malicious manipulation and ensuring their continued operation without compromise.

AI Governance and Compliance: Navigating the Regulatory Maze

As AI adoption accelerates, so does the complexity of regulatory compliance. Noma Security’s solutions ensure that AI deployments align with global regulations and internal organizational policies. By providing robust governance frameworks, the platform helps organizations build trust and maintain compliance, addressing critical challenges related to AI auditability and accountability.

Navigating the patchwork of AI regulations can be a daunting task. Noma’s platform simplifies this process by embedding compliance requirements into the AI lifecycle, offering peace of mind to organizations operating in regulated industries or across multiple jurisdictions.

Risk Prioritization and Mitigation: Focusing on What Matters Most

The sheer volume of potential AI risks can overwhelm security teams. Noma Security’s platform excels at identifying millions of AI and AI agent risks while simultaneously prioritizing and mitigating novel threats at scale. This intelligent risk management approach ensures that organizations can focus their resources on the most critical vulnerabilities, maximizing their security effectiveness.

By employing advanced analytics and threat intelligence, Noma helps organizations cut through the noise and concentrate on the risks that pose the greatest danger. This data-driven approach to risk mitigation is essential for effective cybersecurity in the AI era.

AI Red Teaming and Continuous Monitoring: Proactive Vulnerability Discovery

To stay ahead of sophisticated adversaries, proactive vulnerability discovery is essential. Noma Security incorporates advanced capabilities for AI red teaming and continuous monitoring. This allows organizations to simulate attacks, identify potential weaknesses in AI agent behavior and operations, and continuously refine their security defenses, ensuring a dynamic and adaptive security posture.

Regular red teaming exercises are crucial for uncovering hidden vulnerabilities that might be missed by automated scans. Combined with continuous monitoring, these practices create a robust defense-in-depth strategy for AI systems.

The $100 Million Boost: Fueling Noma Security’s Growth and Vision

The recent $100 million Series B funding round, spearheaded by Evolution Equity Partners with significant participation from existing investors Ballistic Ventures and Glilot Capital, is a powerful validation of Noma Security’s strategic vision and market traction. This substantial investment brings the company’s total funding to an impressive $132 million, cementing its status as the fastest-growing entity in the AI security sector.

This capital injection will be instrumental in accelerating Noma Security’s expansion plans. A significant portion of the funds will be directed towards bolstering its go-to-market operations across North America and EMEA, ensuring wider accessibility to its cutting-edge solutions. Simultaneously, the company is set to scale its product development, research, and R&D teams, particularly in Tel Aviv, to meet the escalating global demand for its AI risk governance and security platform.

Market Validation: A Testament to Noma Security’s Impact

Noma Security’s remarkable growth trajectory is a clear indicator of its impact and the market’s strong demand for its offerings. Since its inception, the company has achieved an astonishing 1,300% increase in annual recurring revenue, a testament to the effectiveness and value of its AI security solutions. Its client base spans a diverse range of critical sectors, including financial services, life sciences, retail, and big tech.

The fact that some of Noma’s clients are processing hundreds of millions of AI prompts monthly through its platform underscores its scalability and reliability. Furthermore, industry recognition, such as its inclusion in the prestigious “Rising in Cyber 2025” list, highlights Noma’s prominence in shaping the future of cybersecurity. This recognition, backed by validation from leading venture firms and the endorsement of nearly 150 CISOs and senior executives, underscores Noma’s critical role in addressing the urgent challenges faced by security teams worldwide.

Investor Confidence: A Vision for a Secure AI Future

Richard Seewald, founder and managing partner at Evolution Equity Partners, expressed strong confidence in Noma Security, highlighting the strategic importance of its comprehensive AI security and governance platform. He noted the company’s exceptional product-market fit and the founding team’s foresight in developing a solution that comprehensively addresses all the critical AI security concerns of CISOs. This sentiment is echoed by the significant investment, signaling a shared belief in Noma’s potential to lead the AI security market.

With this substantial funding, Noma Security is exceptionally well-positioned to continue its trajectory of rapid expansion and innovation. The company’s mission to provide enterprises with the confidence to embrace AI technologies securely and at scale is more critical than ever. As the global AI security market is projected to exceed $134 billion by 2030, driven by increasing AI adoption and the corresponding rise in sophisticated threats, Noma Security’s role in fortifying the future of AI is undoubtedly paramount.

The journey of AI adoption is one that requires unwavering attention to security. Companies like Noma Security are at the forefront, developing the essential tools and strategies to ensure that the transformative power of AI can be harnessed responsibly and securely. As AI continues to permeate every facet of our lives, the importance of robust AI security solutions like those offered by Noma Security cannot be overstated.

For organizations looking to navigate the complexities of AI integration, understanding the threats and partnering with leading security providers is key. Noma Security’s recent funding and impressive growth are clear indicators of its capacity to deliver on this promise, offering a vital shield in the age of intelligent machines. The future of AI is bright, but it is a future that must be built on a foundation of unshakeable security, a foundation that Noma Security is diligently constructing.

The drive towards AI innovation is relentless, and with it comes an evolving set of security challenges that demand specialized solutions. Noma Security’s comprehensive platform, backed by significant investor confidence, is poised to meet these demands head-on. By focusing on visibility, governance, and runtime protection, the company is not just securing AI systems; it’s enabling the very future of AI adoption.

The landscape of artificial intelligence is dynamic, and so are the threats that accompany it. Noma Security’s commitment to staying ahead of these threats, coupled with its robust technological capabilities, positions it as a crucial partner for any organization embarking on or expanding its AI journey. The $100 million investment is more than just capital; it’s a powerful endorsement of a company dedicated to securing the next frontier of technological advancement.

In conclusion, Noma Security’s $100 million Series B funding round marks a significant milestone, not only for the company but for the entire AI security industry. It underscores the critical need for specialized solutions to protect AI systems and agents from an increasingly sophisticated threat landscape. With its comprehensive platform and a clear vision for the future, Noma Security is well-equipped to lead the charge in safeguarding the AI revolution.