Telstra, Toyo and Samsung all committed funds to a $12m series B round for mobile cybersecurity company Zimperium that took its total funding to $20m.

US-based mobile threat defence provider Zimperium raised $12m yesterday in a series B round led by telecommunications company Telstra, and which also featured engineering company Toyo Corporation and electronics conglomerate Samsung.

Venture capital firm Sierra Ventures and investment management firm Lazarus Israel Opportunities Fund also took part the round, which followed an $8m series A investment by Sierra in 2013.

Zimperium develops on-device software to detect threats and protect phones and tablets running Android or iOS from cyberattacks. It will…