Fraudsters convince bank account holders to give up their debit card and PIN in exchange for a kickback. Organized crime syndicates use social media to lure their social media followers to join the scheme. The fraud is usually committed one account at a time, which often dissuades financial institutions from performing the necessary link analysis to identify the organized attack. Counter-fraud management solutions can automate the data mining of fraud claims databases and surface insights that remain undetected due to internal service level agreements and investigation thresholds.”]
Source: https://securityintelligence.com/leveraging-social-media-for-card-cracking/