AI Training Data
AI Training Data, in the context of cybersecurity, refers to the massive, curated dataset used to train an Artificial Intelligence (AI) or machine learning (ML) model to perform a specific task or make predictions. This data is the foundational "raw material" that determines the model's capabilities, biases, and ultimate behavior in production.
From a cybersecurity perspective, the training data is considered a critical security asset and a primary vector for attack and risk for several reasons:
Confidentiality Risk (Data Leakage): Training datasets often contain highly sensitive information, including proprietary business logic, personally identifiable information (PII), protected health information (PHI), and confidential competitive data. If this data is exposed during storage, transfer, or processing, it results in a significant security and compliance failure.
Integrity Risk (Data Poisoning): This is a direct attack on the training data. An attacker can subtly introduce malicious, mislabeled, or corrupt samples into the dataset. The model, learning from this poisoned data, will develop intentionally flawed logic, leading to incorrect or malicious predictions when deployed. For instance, poisoning a fraud detection model to cause it to ignore transactions associated with the attacker.
Intellectual Property Risk: The compiled and labeled training dataset often represents an organization's intellectual property, reflecting significant investment and expertise. Its theft or unauthorized replication can lead to competitive disadvantage.
Inference and Extraction Risk: Even if the training data is never directly leaked, an attacker can use sophisticated queries or analysis on the deployed model to force it to inadvertently reveal information about the data it was trained on (known as a model inversion or membership inference attack).
Therefore, securing AI training data involves ensuring its integrity, confidentiality, and availability throughout its lifecycle to prevent model compromise and data breaches.
ThreatNG, an all-in-one external attack surface management, digital risk protection, and security ratings solution, provides essential external vigilance to secure AI Training Data by exclusively detecting and flagging exposures from the perspective of unauthenticated attackers. It focuses on preventing theft and unauthorized disclosure of this highly sensitive intellectual property.
External Discovery and Inventory
ThreatNG’s capability to perform purely external, unauthenticated discovery without connectors is the primary mechanism for identifying where AI training data might be inadvertently exposed.
Cloud and SaaS Exposure: This module is critical, as training data resides in high-capacity storage. ThreatNG directly looks for Open Exposed Cloud Buckets (like those on AWS, Microsoft Azure, and Google Cloud Platform). The discovery of an exposed bucket is a direct signal of an imminent AI training data leak.
Technology Stack Identification: ThreatNG uncovers nearly 4,000 technologies, including vendors in Data Warehousing & Processing (like Databricks) and AI Model & Platform Providers. Discovering these technologies on an exposed subdomain provides context that the associated storage buckets are likely holding sensitive training data.
Example of ThreatNG Helping: ThreatNG’s Cloud and SaaS Exposure module discovers an Open Exposed Cloud Bucket. The accompanying Technology Stack analysis shows that the organization uses a vendor specializing in Data Warehousing & Processing. This combination provides the irrefutable evidence that proprietary AI training data is publicly accessible.
External Assessment for Data Leak Risk
ThreatNG's security ratings and assessments quantify the risk of a breach affecting AI training data.
Data Leak Susceptibility: This security rating is directly derived from uncovering external digital risks across Cloud Exposure, specifically exposed open cloud buckets. Since training data is the largest and most sensitive AI asset, a poor rating here immediately prioritizes securing the data’s storage location.
Non-Human Identity (NHI) Exposure: This critical governance metric tracks vulnerability to threats from high-privilege machine identities, such as leaked API keys. If an NHI key with excessive permissions to the AI training data storage is leaked, ThreatNG detects this exposure before an attacker can use it to download the dataset.
Example of ThreatNG Helping: ThreatNG flags a high Data Leak Susceptibility rating. The underlying reason is the discovery of an Amazon AWS S3 Bucket that is exposed and associated with an account that has an exposed AWS Access Key ID found in a public code repository. This reveals that the training data is exposed via both misconfiguration and leaked credentials.
Reporting and Continuous Monitoring
ThreatNG provides Continuous Monitoring of the external attack surface, ensuring that the exposure of AI training data is flagged in real time.
Reporting (Security Ratings): The Data Leak Susceptibility Security Rating (A-F scale) provides an easy-to-understand metric for executives to grasp the risk to their proprietary AI training data.
External GRC Assessment: ThreatNG maps external findings directly to relevant GRC frameworks, including HIPAA and GDPR. The exposure of training data that may contain PII or PHI can be automatically reported as a GRC violation.
Investigation Modules
ThreatNG's Investigation Modules enable security teams to gather detailed OSINT and identify the source of data exposure throughout the AI lifecycle.
Sensitive Code Exposure (Code Repository Exposure): This module is crucial for preventing leaks. It discovers public code repositories and looks explicitly for Access Credentials and Configuration Files. If a developer accidentally commits a storage access key or a configuration file pointing to the training data bucket, ThreatNG finds the leak.
Cloud and SaaS Exposure: This module directly identifies and validates Open Exposed Cloud Buckets. It also identifies the associated SaaS implementations (SaaSqwatch), which may include data platforms like Snowflake or Splunk.
Archived Web Pages: This module analyzes archived versions of the organization’s online presence. This can uncover historical leaks, such as an old document or web page that temporarily posted a link or credentials to the training data storage.
Example of ThreatNG Helping: An analyst uses the Sensitive Code Exposure module and identifies a public repository containing a configuration file with an AWS Access Key ID and a reference to the organization’s Firebase account. This indicates that the AI training data or model parameters could be exposed across multiple platforms used in the development chain.
Complementary Solutions
ThreatNG's external discovery provides essential, unauthenticated intelligence to specialized data security tools.
Complementary Solutions (Data Security Posture Management (DSPM) Platforms): ThreatNG’s detection of an exposed open cloud bucket is a critical external alarm. This external finding can be passed to a DSPM platform, instructing it to prioritize an immediate, deep, internal scan of that specific storage unit's content, classification, and access policies. For instance, ThreatNG alerts on the open bucket, and the DSPM immediately verifies if the exposed data is classified as PHI or PII, confirming the regulatory risk.
Complementary Solutions (Identity and Access Management (IAM) Tools): ThreatNG’s discovery of a leaked service account credential via NHI Exposure provides the definitive external proof of compromise. This finding is routed to the IAM system, triggering an automated workflow to revoke the exposed key and tighten the access permissions for all remaining keys that access the sensitive AI training data repository.

