Claude 4 Sonnet is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.
Claude 4 Sonnet is a technology platform tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed November 14, 2025; most recent activity November 15, 2025.
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…
Researchers from HiddenLayer have identified a new attack technique called EchoGram that can bypass AI guardrails designed to filter harmful input in large language models (LLMs). This technique allows users to…
Claude 4 Sonnet is a technology platform tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.
The most recent intelligence report mentioning Claude 4 Sonnet on ThreatCluster is dated November 15, 2025. Activity was first observed November 14, 2025, giving a tracked span from then to November 15, 2025.
Across ThreatCluster reporting, Claude 4 Sonnet most frequently co-occurs with Prompt Injection, GPT-4o, Meta's Prompt-Guard-86M, OpenAI's GPT-4o, Prompt-Guard-86M, among 7 tracked related entities.
The most significant recent cluster is “EchoGram Technique Exploits AI Guardrails Using Specific Prompts” (2 articles · Updated November 15, 2025). Claude 4 Sonnet appears across 2 threat clusters in total, listed above with sources.
Claude 4 Sonnet appears in 2 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.