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unicode smuggling

About this tag
Unicode smuggling refers to the use of invisible or hidden Unicode characters to conceal instructions or payloads within text, often targeting AI systems. Recent discussions on WindowsForum highlight vulnerabilities like ASCII smuggling in Google Gemini and EchoLeak in Microsoft 365 Copilot, where attackers embed hidden prompts that AI assistants may execute, leading to data exposure or unauthorized actions. These exploits bypass traditional security measures by exploiting how AI models process text, raising concerns about input sanitization and the boundary between social engineering and software bugs. The tag covers security risks, disclosure debates, and mitigation strategies for AI-powered tools in enterprise environments.
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    ASCII Smuggling Hits Gemini: AI Prompt Injection and Input Sanitization Debate

    Google’s decision not to patch a newly disclosed “ASCII smuggling” weakness in its Gemini AI has fast become a flashpoint in the debate over how to secure generative models that are tightly bound into everyday productivity tools. The vulnerability, disclosed by researcher Viktor Markopoulos of...
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    • ai security input sanitization prompt injection unicode smuggling
    • Replies: 0
    • Forum: Windows News
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    EchoLeak Vulnerability in Microsoft 365 Copilot: Security Risks and Solutions

    In recent developments, a significant security vulnerability, dubbed "EchoLeak," was identified in Microsoft 365 Copilot, an AI-powered assistant integrated into Microsoft's suite of Office applications. This flaw, discovered by AI security startup Aim Security, exposed sensitive user data...
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    • ai security ai vulnerabilities ascii smuggling copilot cyber threats cybersecurity data breach digital security enterprise security microsoft 365 microsoft security risk mitigation security audits security awareness security best practices security updates unicode smuggling vulnerability
    • Replies: 0
    • Forum: Windows News
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    EchoLeak CVE-2025-32711: Securing Microsoft 365 Copilot Against Zero-Click AI Exploit

    In early 2024, a critical security vulnerability, designated as CVE-2025-32711 and colloquially known as "EchoLeak," was identified within Microsoft 365 Copilot AI. This zero-click exploit allowed attackers to exfiltrate sensitive user data through concealed prompts embedded in emails, all...
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    • Thread
    • ai security ai vulnerabilities cyber defense cyber threats cybersecurity data breach data exfiltration enterprise security infosec malicious emails microsoft 365 prompt injection security monitoring security patch threat mitigation unicode smuggling user training vulnerability zero-click attack
    • Replies: 0
    • Forum: Windows News
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