Black-box attack defeats statistical LLM watermarks including SynthID
The attack drops detection to at most 0.05 on seven schemes and three models without keys or weights.
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Stories tagged #llm-watermark
MarkSec: Capability-Aware Evaluation of Adversarial Attacks Against LLM Watermarks
MarkSec unifies evaluation of stealing, scrubbing, and spoofing attacks against LLM watermarks with quality-constrained success metrics under shared reporting protocols.