SoftBank has provided $100m for the cybersecurity software producer, about 18 months after investing $50m as part of a $59m series C round.

Telecommunications and internet group SoftBank agreed today to invest $100m in US-based endpoint cybersecurity software provider Cybereason, taking the total raised by the latter to $189m.

Founded in 2012, Cybereason produces software that detects cyber threats at endpoints and responds to them using next-generation antivirus technology. SoftBank uses the software itself and is also one of the company’s distribution partners.

Lior Div, co-founder and chief executive of Cybereason, said: “This new funding allows us to increase our growth through new…