Data Exfiltration
Covert Channel Data Exfiltration in LLM Agents
Attackers can trick AI agents into leaking data through normal-looking tool calls and image renders.
Bianca Espinoza
Staff Writer · · 11 min read
LLM Security Review — Page 3
The Latest
AI Vendor Risk Analysis
Shadow AI Risk from Unsanctioned LLM Tool Use
Employees paste confidential data into unsanctioned chatbots faster than security teams can stop it.
Marco Quist
Data Exfiltration
Cloud LLM API Logging and Audit Trail Requirements
Regulators now require LLM systems to log prompts, outputs, and policy decisions—not just API calls.
Hugo Dvorak
Data Exfiltration
LLM System Prompt Confidentiality and Data Leakage
System prompts leak faster and easier than teams expect, through five distinct attack vectors.
Selah Beck
Data Exfiltration
Covert Data Exfiltration via LLM Markdown Rendering
Attackers exploit markdown rendering to steal data from LLM outputs without user detection.
Hugo Dvorak
Data Exfiltration
How LLMs Leak Training Data
Models memorize training data and leak it when prompted the right way.
Bianca Espinoza
Data Exfiltration
LLM Data Loss Prevention Tool Evaluation
Most sensitive data now enters AI tools, and legacy security tools can't detect it.
Marco Quist
Data Exfiltration
Preventing PII Exfiltration in Customer-Facing LLM Chatbots
Three attack pathways let chatbots leak customer data despite traditional security.
Bianca Espinoza
Data Exfiltration
PII Exposure in LLM Application Logs
Enterprise LLM logs leak personal data at nearly every stage of the pipeline.
Selah Beck
Data Exfiltration
Data Exfiltration Through LLM Tool and Function Calls
Attackers exploit legitimate tool calls to exfiltrate data without touching your firewall.
Hugo Dvorak
LLM Security Fundamentals
documented real-world prompt injection attacks against RAG-based enterprise tools
Attackers exploited over 90 organizations' AI tools to steal credentials and cryptocurrency in 2025.
Selah Beck
LLM Security Fundamentals
AI risk scoring and vendor assessment platforms mapped to OWASP LLM Top 10 and NIST AI RMF
Platforms claiming framework alignment often lack the runtime controls to prove it.
Marco Quist