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EchoGram Technique Exploits AI Guardrails Using Specific Prompts

First seen 15 Nov 2025, 09:32 UTC

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ThreatCluster March 12, 2026 at 13:27 UTC

Security researchers from HiddenLayer have developed a new attack method called EchoGram, which targets the guardrails of large language models (LLMs). By using specific phrases like '=coffee', attackers can bypass these protective measures, potentially leading to harmful outputs. This vulnerability highlights the risks associated with combining multiple unsafe LLMs.

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