Independent software vendors, along with Internet of Things and cloud vendors, are involved in a market transformation that is making them look more alike. The similarities are evident in the way they approach software security initiatives, according to a report from Synopsys. Synopsys has released its ninth annual Building Security in Maturity Model, or BSIMM9. The BSIMM project provides a de facto standard for assessing and then improving software security initiatives, the company said.