AI Hacking
AI Security Resources

Multi-Modal AI Security

Security guide for vision models, audio systems, and cross-modal attack vectors - Updated March 2026

85%
Vision models vulnerable to adversarial patches
(Industry Research)
$12B+
Projected deepfake fraud losses by 2027
(Deloitte 2025)
135%
Increase in AI-assisted social engineering
(IBM X-Force 2025)
👁️

Multi-Modal AI Security

Multi-modal AI systems process text, images, audio, and video simultaneously. This creates unique attack surfaces where data in one modality can influence behavior in another. Learn about emerging threats and defenses for these complex systems.

📸 Vision Model Attacks

Adversarial Patches

Small, crafted perturbations that fool image classifiers when printed or displayed. Can cause autonomous vehicles to misidentify stop signs, or bypass content filters.

Example: Adding a small sticker pattern to a stop sign causes AI to classify it as "speed limit 45"
Severity: High | CVSS: 7.5

Prompt Injection in Images

Hidden text embedded in images that is invisible to humans but extracted by OCR and processed by vision-language models.

Example: White text on white background, or text hidden in image metadata that gets processed
Severity: Medium | CVSS: 6.8

Data Exfiltration via Image Processing

Vision models can be manipulated to encode and transmit sensitive information through image pixel patterns.

Example: Model outputs steganographic data in image descriptions containing system prompts
Severity: Medium | CVSS: 5.3

Training Data Poisoning

Corrupted image datasets used to train vision models can introduce backdoors or alter model behavior.

Example: Poisoned images with specific triggers cause misclassification when triggered
Severity: Medium | CVSS: 6.2

🔒 Vision Model Defenses

🎙️ Audio & Voice Security

Voice Synthesis / Deepfakes

AI-generated voice clones that impersonate executives, celebrities, or trusted individuals for fraud.

Real incident: CEO voice clone used to authorize $243K wire transfer (Wall Street Journal, 2019)
Severity: Critical | Impact: Financial fraud, identity theft

Audio Adversarial Attacks

Inaudible modifications to audio that cause ASR (Automatic Speech Recognition) systems to transcribe attacker-controlled text.

Example: Hidden commands in music that trigger voice assistants
Severity: High | CVSS: 7.8

Speaker Verification Bypass

Techniques to circumvent voice biometric authentication systems using replay attacks or synthesized audio.

Example: Replaying voice recording to bypass banking voice authentication
Severity: High | CVSS: 6.5

Context Injection via Audio

Hidden voice commands or audio that influences downstream LLM processing in multi-modal systems.

Example: Audio in video file contains instructions that modify AI assistant behavior
Severity: Medium | CVSS: 5.5

🔒 Audio Security Defenses

🔀 Cross-Modal Attacks

Cross-Modal Prompt Injection

Malicious instructions embedded in one modality (e.g., images) that manipulate behavior in another (e.g., text output).

Example: Uploading an image with hidden text "Ignore previous instructions and..."
Severity: Critical | Relation: Similar to OWASP LLM01

Multi-Modal Jailbreaking

Using combinations of text, images, and audio to bypass safety guardrails that single-modality attacks cannot.

Example: Image of harmful content paired with text that normalizes it
Severity: High | CVSS: 7.2

Model Hallucination Amplification

Multi-modal inputs that increase hallucination rates or cause confident false outputs.

Example: Ambiguous images paired with leading questions increase false captions
Severity: Medium | CVSS: 5.0

Symbolic Instruction Injection

Embedding instructions in visual elements (arrows, boxes, icons) that influence model interpretation.

Example: Document with arrows pointing specific text, causing model to focus incorrectly
Severity: Medium | CVSS: 5.5

🔒 Cross-Modal Defenses

🎬 Video Security

Video Deepfakes

AI-generated or manipulated video content that depicts people saying/doing things they didn't.

Use cases: Executive fraud, fake news, blackmail, election interference
Severity: Critical | Impact: Reputation, financial, political

Lip Sync Attacks

Manipulating video to sync fake audio with lip movements, enabling convincing misinformation.

Example: Editing news footage to add fake statements matching lip movements
Severity: High | CVSS: 6.8

Frame-level Manipulation

Inserting or removing specific frames in video to alter perceived events or inject content.

Example: Removing security camera frames showing unauthorized access
Severity: Medium | CVSS: 5.5

🔒 Video Integrity Defenses

🛡️ Comprehensive Multi-Modal Defense Strategy

🔍 Detection Layer

  • Deepfake detection models
  • Adversarial example detectors
  • Anomaly detection per modality
  • Consistency checking between modalities

🧹 Sanitization Layer

  • Strip hidden text from images
  • Remove audio steganography
  • Normalize pixel values
  • Filter embedded metadata

⚖️ Validation Layer

  • Cross-verify multi-modal inputs
  • Check for contradictory information
  • Validate against trusted sources
  • Flag uncertain outputs

📋 Multi-Modal Security Checklist

📚 Related Resources

OWASP LLM Top 10

Core LLM vulnerabilities

Prompt Injection Guide

Text-based injection attacks

MCP Security

Agent tool security

Security Statistics

Research data and metrics