Financial services is perhaps the most regulated sector in industry. SEC, FINRA and Gramm-Leach-Bliley are merely the better known of a raft of regulations. Key to all of them is the requirement to manage and retain communications. But just as regulations tend to increase and become more complex, so too have the different methods of communication that need to be monitored ballooned. What was once just email now includes SMS, public IM, a variety of social media and more.
Source: Security Week
Financial Firms Struggle on Compliance for non-Email Communications