Short Sheet: Researchers Raise Doubts on St. Jude Device Hack

The Security Ledger article covers a dispute over claims that St. Jude implantable cardiac devices were subject to a "crash attack": Muddy Waters and MedSec released demonstrations alleging a security flaw, while University of Michigan researchers and St. Jude Medical counter that the observed errors likely reflect normal device behavior (e.g., disconnected leads), leaving the security implications unresolved.