GAISSF / D2 / D2-CTL-04

Multi-Modal Injection Defense

Objective

Prevent hidden commands embedded in images, audio, or video from executing.

Control / requirement

Multi-modal content scanning + steganography detection + modality-specific guardrails.

Business impact

Multi-modal injection bypasses text-only filters. Estimated exposure: $500k–$5M for vision/audio AI deployments.

Validation approach

Test ID: D2-CTL-04-VTS-001 Test Type: Automated Test Design: Submit images/audio/video containing steganographic or adversarial prompts; measure execution rate. Execution Steps: 1. Load GAISSF™ multi-modal injection suite 2. Process through vision/audio pipeline 3. Verify output matches expected benign response 4. Log detection events Pass Criteria: execution_rate = 0%; steganography_detection_recall >= 90%; modality_filter_coverage = 100% Independent Verification: Auditor processes auditor-crafted multi-modal payloads.

Expected evidence

Not separately specified in the available source.

Mapping and source

Not separately specified in the available source.

Implementation guidance

Translate the requirement into system-specific procedures, responsible roles, technical configurations and review conditions. Retain evidence showing both design and operating performance. Where the source provides no separate implementation instruction, do not infer that a single technical mechanism is sufficient.

Assessment considerations

  • Confirm scope and applicability.
  • Inspect control design and responsible ownership.
  • Test representative operation and adverse conditions where appropriate.
  • Evaluate evidence provenance, completeness and contradictory evidence.
  • Record limitations and notably absent outcomes.