The group behind the ongoing campaign allegedly has the support of a hosting provider that's complicit in helping spin-up new scam websites.

Economists have warned since last summer that speedy monetary tightening could be destabilizing. This week, the Federal Reserve will decide whether to stay on that course.

Following the second-largest bank failure in U.S. history, the California Department of Financial Protection and Innovation said it will examine how it can strengthen its system of financial regulation. The Federal Reserve has begun a similar review.

The incentive structures for both banks and large, sophisticated depositors have changed because of federal regulators' decision to guarantee the uninsured deposits of Silicon Valley Bank and Signature Bank.

In prepared remarks to the American Bankers Association, Treasury Secretary Janet Yellen says the government's intervention to cover uninsured deposits at Silicon Valley and Signature banks "reduced the risk of further bank failures."

Consumers are worried that the banking crisis could spread to their own accounts. To address these fears, some credit unions are getting more focused on liquidity — and making their top executives available to address any member's concerns.