When doing my research on publishers and agents, I stumbled across Writer Beware, a faction of the SFWA (Science Fiction and Fantasy Writers of America). You can link the the site here.
This site is an absolute must for authors who are starting out brand new to the shady world of publishing. You can read through various cases where authors have been scammed, and they have a list of questionable publishing houses and agents which to avoid.
They also, thanks to their contributors, have a blog. You can link to it here. It's a brilliant little blog that every author should be following. It keeps news updates, not just pertaining to scams and so on, but also news in the publishing industry. That is something we all need to keep abreast of if we're to get the best out of our efforts.
The long and short of it is, if you are a new author, follow this blog. It might just save you a whole lot of grief!
That's all from me. Keep well on this fine, snowy day.