If you found it on the internet, the information is probably sufficiently common-knowledge enough that it's not dangerous to know. You could turn it into some

If you found it on the internet, the information is probably sufficiently common-knowledge enough that it's not dangerous to know. You could turn it into some form of authorities, but it's unlikely to be anything they're unaware of. You could attempt to reach out to a news outlet if you think it's particularly groundbreaking, but that's not likely to make you any safer. Your best bet is to take the advice people gave you last week and not make yourself more vulnerable if that is a concern. Otherwise, there is probably very little that can be done besides publicize the matter and further threaten everyone involved.