(Bloomberg) — U.S. Senate Democrats blocked a proposal to shield companies from lawsuits when they share cyber-attack information with each other and federal agencies.

The Senate on Thursday voted 56-40, falling short of the 60 votes required to advance the measure, which Majority Leader Mitch McConnell decided to bring up as an amendment to the annual defense policy bill.

Democrats, including ranking intelligence committee member Senator Dianne Feinstein, of California, are demanding that the Senate consider it separately from the defense legislation.

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