Menlo Security has now raised approximately $150m altogether, with American Express Ventures and HSBC both returning for the latest round.

US-based cybersecurity software developer Menlo Security yesterday raised a $75m of series D round backed by financial services firm HSBC and payment processing firm American Express.

The round was led by unnamed clients advised by JP Morgan Asset Management, a division of financial services group JP Morgan Chase, and also featured spinout-focused investment firm Osage University Partners (OUP).

Engineering Capital, General Catalyst, Sutter Hill Ventures and unnamed, existing investors filled out the round. American Express participated through its corporate venturing…