CIOs at financial institutions have a lot to think about every day. Fraud. Data breaches. Integrating IT systems after a merger. It’s a tough job, and it’s one that usually goes unnoticed unless there’s a problem. But one thing that they never envisioned was waking up one day to discover that everyone at the bank was suddenly wearing sweatpants and working from home on nonsecure Internet connections. That’s not only a fashion nightmare, but it also has serious implications for data security.