Aha, I found the paper: http://arxiv.org/abs/0809.3408 http://arxiv.org/abs/0809.3408 It's all about exploiting vulnerabilities in the type of single-photon d

Aha, I found the paper: http://arxiv.org/abs/0809.3408 http://arxiv.org/abs/0809.3408 It's all about exploiting vulnerabilities in the type of single-photon detectors that are used in real systems. Looks like pretty clever stuff.