Here's how IBM's new CEO helped turn Wall Street's public cloud security fears into an opportunity to work with long-time holdout Bank of America

· Arvind Krishna, who will take over as IBM's CEO in April, spoke to Business Insider in November about Wall Street's adoption of the public cloud. 
· IBM, working in collaboration with Bank of America, has created a public cloud that is tailored for financial firms.
· The new public cloud aims to ease security and...