A cloud tenant using nothing but ordinary GPU access can push a data center’s power draw up and down fast enough to threaten the grid it runs on, with no exploit and no break-in.
That is the claim behind Bit2Watt, described by three Zhejiang University researchers in a paper accepted to CHES 2026, the IACR’s hardware-security conference, and the evidence splits in two: they measured the power A cloud tenant using nothing but ordinary GPU access can push a data center’s power draw up and down fast enough to threaten the grid it runs on, with no exploit and no break-in.
That is the claim behind Bit2Watt, described by three Zhejiang University researchers in a paper accepted to CHES 2026, the IACR’s hardware-security conference, and the evidence splits in two: they measured the power The Hacker News