For any attempted or successful scam or fraud, report to Action Fraud online or via phone call on 0300 123 2040
In some instances, it may be important to also report the crime to the Police.
If you believe there has been any criminal activity which may affect your finances, alert your bank.
If issues arise on social media, it may be beneficial to report the instance on the site itself. ThinkUKnow has a guide for reporting to various social media sites.