A Proxy Attack-Free Strategy for Practically Improving the Poisoning Efficiency in Backdoor Attacks

arXiv:2306.08313v2 Announce Type: replace-cross
Abstract: Poisoning efficiency plays a critical role in poisoning-based backdoor attacks. To evade detection, attackers aim to use the fewest poisoning samples while achieving the desired attack strength. Although efficient triggers have significantly improved poisoning efficiency, there is still room for further enhancement. Recently, selecting efficient samples has shown promise, but it often requires a proxy backdoor injection task to identify an efficient poisoning sample set. However, the proxy attack-based approach can lead to performance degradation …

abstract aim arxiv attacks backdoor cs.cr cs.cv detection efficiency free improving role room samples strategy type while