As I working every time transparent and don't hide any information, I have made a link collection of anti fraud information systems for your comfort. There you can find descriptions about the actual published scams. In any case you have to use your brain for not getting scammed. Everything, which sounds too good to be true is normally only a scam.
Internet Crime Fighters Organization
Internet Crime Fighters Organization Internet Crime Fighters Organization - Harnessing the Power of Internet Connectivity to Combat Internet Crime; Security Threats, Scams, Fraud
SCAMwatch
A scam warning site from the Australian Government
Scam shield
Scam Shield is a non-profit organization protecting citizens from scams and fraud schemes with advocacy and knowledge. Volunteers provide the fraud victims with helpful information and assistance.
ScamXposer
ScamXposer | Make Money Online Business and Income Opportunity Scams & Reviews
scam.com
Message board for posting various scams. Powered by VBulletin. Don't get scammed at scam.com
WOT - Web Of Trust
WOT is a free website reputation, rating and review tool that helps find trustworthy websites and protects against online scams, untrustworthy links, and unreliable web stores. Free add-on for Firefox, IE, Chrome, Opera and Safari browsers.
HOAX-SLAYER
Stay informed about the latest email hoaxes and scams by subscribing to the Hoax-Slayer Newsletter.
FBI
Federal Bureau of Investigation - Internet Fraud
Avoid getting scammed - make a background check
Description of free tools helping to identify scammer.
VOIP Fraud List
News | Voip Fraud LIST recommended by Nata Ellis (nata@speedflow.com)
A list of proved scammer can get found in the menu entry Scammer Exposed.
Offers from trusted and validated brokers can get found in the menu entry Fair Campaign Offers.