Existing backer New York Life came back for the mobile threat defence platform's series B round, which took its overall funding to $27.5m since 2012.

Johnson & Johnson invested $6m to help radiotherapy equipment developer Reflexion Medical close out its Pfizer-backed series B round at $52m.

Nokia Growth Partners joined existing backer Bauer Media to contribute to a series B round which will help the health tracking app developer expand in the US.

Johnson & Johnson invested $6m to help radiotherapy equipment developer Reflexion Medical close out its Pfizer-backed series B round at $52m.

Pinduoduo, a startup operating an online group buying platform, has raised series B funding, after growing its service using Tencent's WeChat app.

Data centre security software provider GuardiCore has now raised a total of $33m since 2013 and secured Cisco Investments as an investor.

Customer service provider Udesk has added a $15m series B round led by Legend Holdings' corporate venturing unit to $3m from DCM last year.

The Edinburgh spinout, which uses LED light to wirelessly transmit data, has attracted series B capital from a consortium led by Temasek, the investment arm of Singapore's government.

Cheetah Mobile has co-led a series B extension for smartphone keyboard app developer Kika Tech, adding to a $30.6m first tranche closed in February.