Earlier this year, we wrote about the Senate‘s latest attempt at a cybersecurity bill, the Cybersecurity Information Sharing Act (CISA), which tries to distinguish itself from the toxic attempts to pass CISPA over the past few years. We and many others have already detailed how CISA, like the CISPAs before it, has a tremendous problem in creating perverse incentives for companies to help the government spy on people, but as a bunch of public interest groups are noting, the definitions are so broad, that the bill could actually be a backdoor way to undermine net neutrality. That‘s because it has an incredibly broad definition of a „cyberthreat“ such that an ISP could declare, say, Netflix to be a cyberthreat, allowing it to throttle Netflix‘s bandwidth. Here are two key paragraphs from a letter sent by CDT, EFF and a bunch of other groups: