The financing round was led by Shield Capital with Y Combinator and 468 Capital also participating.

Xeol's focus is to secure software throughout its lifecycle beginning at the code repository all the way through delivery to customers. The team starts by managing enterprises' end-of-life software whose publishers no longer provide security patches. Attackers typically gain access to vulnerable systems by phishing, then exploiting unpatched software. PCI 4.0, a security standard for handling payment card data, will mandate that companies have a program to manage end-of-life software, highlighting the growing threat surface.