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OpenAI ChatGPT Enterprise Jailbreak Prompt Heuristics
Detects ChatGPT Enterprise user messages that combine two or more common jailbreak techniques: overriding prior or system instructions, switching the assistant into an unrestricted persona or mode (for example DAN or developer mode), asking it to operate without safety restrictions or filters, or asking it to reveal its system prompt. Jailbreak prompts stack these techniques to talk the model out of its safety policy, and a user doing so in a managed workspace may be attempting to generate prohibited content or to probe the workspace's controls. Requiring more than one technique keeps documents that merely quote a single jailbreak phrase from alerting.
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OpenAI ChatGPT Enterprise Repeated Assistant Refusals
Detects three or more ChatGPT Enterprise assistant messages for the same user whose text matches common policy-refusal phrases (cannot assist, cannot help, cannot fulfill, unable to assist, against my guidelines, and similar) within the lookback window. A refusal burst can indicate jailbreak probing, policy-bypass attempts, or automated unsafe prompting intended to evade model safety controls.
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GCP Vertex AI Elevated Safety Rating on Response
Oct 7, 2026 · Domain: GenAI Domain: Cloud Data Source: GCP Vertex AI Data Source: GCP Data Source: Google Cloud Platform Platform: GCP Service: GCP Vertex AI Use Case: Policy Violation Use Case: Threat Detection Tactic: Defense Evasion Threat: Unauthorized AI Usage Resources: Investigation Guide Rule Type: ES|QL ·Detects Vertex AI prompt-response logs where a candidate safety_ratings.probability is HIGH or MEDIUM. Those values are stronger signals than NEGLIGIBLE or LOW alone. Requires the request to include safetySettings so ratings are logged.
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GCP Vertex AI Repeated Assistant Refusals
Oct 7, 2026 · Domain: GenAI Domain: Cloud Data Source: GCP Vertex AI Data Source: GCP Data Source: Google Cloud Platform Platform: GCP Service: GCP Vertex AI Use Case: Policy Violation Use Case: Threat Detection Tactic: Defense Evasion Threat: Unauthorized AI Usage Resources: Investigation Guide Rule Type: ES|QL ·Detects three or more Vertex AI GenerateContent replies in 60 minutes whose assistant text indicates a refusal (cannot fulfill/assist/help/answer, unable to assist, decline the request, against my guidelines, and similar), aggregated by project and model. Prompt-response logs lack a stable caller identity, so this is a project-wide refusal burst signal — pivot to auditlogs for principal/IP attribution.
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GCP Vertex AI Response Blocked by Safety Filters
Oct 7, 2026 · Domain: GenAI Domain: Cloud Data Source: GCP Vertex AI Data Source: GCP Data Source: Google Cloud Platform Platform: GCP Service: GCP Vertex AI Use Case: Policy Violation Use Case: Threat Detection Tactic: Defense Evasion Threat: Unauthorized AI Usage Resources: Investigation Guide Rule Type: ES|QL ·Detects Vertex AI GenerateContent responses whose candidate finish_reason is SAFETY. That value is emitted when Gemini safety filters stop generation. Unlike textual refusals (finish_reason STOP), SAFETY means the provider blocked or truncated the completion.
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Detects three or more completed assistant refusals from the same client, API Management subscription, and model. Matching replies finished on their own (finish_reason stop) and declined the prompt. A burst means that caller kept sending prompts the model will not answer.
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AWS Bedrock Detected Multiple Attempts to use Denied Models by a Single User
Oct 1, 2026 · Domain: GenAI Data Source: AWS Bedrock Data Source: AWS S3 Resources: Investigation Guide Use Case: Policy Violation Noise: Low Performance: Fast Profile: Recommended Threat: Unauthorized AI Usage Rule Type: ES|QL Platform: AWS Domain: Cloud Service: AWS S3 Service: AWS Bedrock Mitre Atlas: AML.T0015 Mitre Atlas: AML.T0034 ·Identifies multiple successive failed attempts to use denied model resources within AWS Bedrock. This could indicated attempts to bypass limitations of other approved models, or to force an impact on the environment by incurring exhorbitant costs.
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AWS Bedrock Detected Multiple Validation Exception Errors by a Single User
Oct 1, 2026 · Domain: GenAI Data Source: AWS Data Source: AWS Bedrock Data Source: AWS S3 Use Case: Policy Violation Resources: Investigation Guide Noise: Low Performance: Fast Profile: Recommended Threat: Unauthorized AI Usage Rule Type: ES|QL Platform: AWS Domain: Cloud Service: AWS S3 Service: AWS Bedrock Mitre Atlas: AML.T0015 Mitre Atlas: AML.T0034 Mitre Atlas: AML.T0046 ·Identifies multiple validation exeception errors within AWS Bedrock. Validation errors occur when you run the InvokeModel or InvokeModelWithResponseStream APIs on a foundation model that uses an incorrect inference parameter or corresponding value. These errors also occur when you use an inference parameter for one model with a model that doesn't have the same API parameter. This could indicate attempts to bypass limitations of other approved models, or to force an impact on the environment by incurring exhorbitant costs.
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AWS Bedrock Guardrails Detected Multiple Policy Violations Within a Single Blocked Request
Oct 1, 2026 · Domain: GenAI Data Source: AWS Bedrock Data Source: AWS S3 Resources: Investigation Guide Use Case: Policy Violation Noise: Low Performance: Fast Threat: Unauthorized AI Usage Rule Type: ES|QL Platform: AWS Domain: Cloud Service: AWS S3 Service: AWS Bedrock Mitre Atlas: AML.T0051 Mitre Atlas: AML.T0054 ·Identifies multiple violations of AWS Bedrock guardrails within a single request, resulting in a block action, increasing the likelihood of malicious intent. Multiple violations implies that a user may be intentionally attempting to cirvumvent security controls, access sensitive information, or possibly exploit a vulnerability in the system.
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AWS Bedrock Guardrails Detected Multiple Violations by a Single User Over a Session
Oct 1, 2026 · Domain: GenAI Data Source: AWS Bedrock Data Source: AWS S3 Resources: Investigation Guide Use Case: Policy Violation Noise: Low Performance: Normal Profile: Recommended Threat: Unauthorized AI Usage Rule Type: ES|QL Platform: AWS Domain: Cloud Service: AWS S3 Service: AWS Bedrock Mitre Atlas: AML.T0051 Mitre Atlas: AML.T0054 ·Identifies multiple violations of AWS Bedrock guardrails by the same user in the same account over a session. Multiple violations implies that a user may be intentionally attempting to cirvumvent security controls, access sensitive information, or possibly exploit a vulnerability in the system.
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AWS Bedrock Invocations without Guardrails Detected by a Single User Over a Session
Oct 1, 2026 · Domain: GenAI Data Source: AWS Bedrock Data Source: AWS S3 Resources: Investigation Guide Use Case: Policy Violation Noise: Low Performance: Normal Profile: Recommended Threat: Unauthorized AI Usage Rule Type: ES|QL Platform: AWS Domain: Cloud Service: AWS S3 Service: AWS Bedrock Mitre Atlas: AML.T0051 Mitre Atlas: AML.T0054 ·Identifies multiple AWS Bedrock executions in a one minute time window without guardrails by the same user in the same account over a session. Multiple consecutive executions implies that a user may be intentionally attempting to bypass security controls, by not routing the requests with the desired guardrail configuration in order to access sensitive information, or possibly exploit a vulnerability in the system.
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Detects repeated high-confidence 'BLOCKED' actions coupled with specific 'Content Filter' policy violation having codes such as 'MISCONDUCT', 'HATE', 'SEXUAL', INSULTS', 'PROMPT_ATTACK', 'VIOLENCE' indicating persistent misuse or attempts to probe the model's ethical boundaries.
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Detects repeated compliance violation 'BLOCKED' actions coupled with specific policy name such as 'sensitive_information_policy', indicating persistent misuse or attempts to probe the model's denied topics.
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Detects repeated compliance violation 'BLOCKED' actions coupled with specific policy name such as 'topic_policy', indicating persistent misuse or attempts to probe the model's denied topics.
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Unusual High Word Policy Blocks Detected
Detects repeated compliance violation 'BLOCKED' actions coupled with specific policy name such as 'word_policy', indicating persistent misuse or attempts to probe the model's denied topics.
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