The Federal Trade Commission (FTC) is the nation's consumer protection agency and collects complaints about fraudulent, deceptive, and unfair business practices. If you think you may be a victim of fraud, file a complaint with the FTC.
If you receive an email that you think may be a scam, forward it to the FTC and it will be stored in a database that law enforcement agencies use to generate legal cases.
Your State Attorney General
In addition to the FTC, you can also file a complaint with your state Attorney General's office if you think you may be a victim of fraud. Your state Attorney General's office handles a wide range of complaints related to consumer protection.
The Internet Crime Complaint Center
The IC3 is a partnership between the FBI, the National White Collar Crime Center and the Bureau of Justice Assistance, whose mission is to serve as a vehicle to receive, develop and refer criminal complaints related to cyber crime.
In addition to forwarding spam to firstname.lastname@example.org, you can also forward spam to email@example.com. The Anti-Phishing Working Group is a consortium of ISPs, security vendors, financial institutions and law enforcement agencies that use this email to fight phishing.
The Better Business Bureau accepts complaints from consumers against businesses or services, and is dedicated to fostering an ethical business environment.
National Center for Missing and Exploited Children
This nonprofit organization has a congressionally-mandated CyberTipline as a means for reporting crimes against children. Reports may be made 24-hours a day, 7 days a week online at www.cybertipline.com or by calling 1-800-843-5678.
Department of Justice (DOJ)
The DOJ’s Computer Crime & Intellectual Property Section tells you where to go to report hacking, password trafficking, spam, child exploitation and other Internet harassment.
USA.gov: Reporting Internet Fraud
A list of official government resources to help you report, prevent and learn about Internet fraud.