Cisco, Microsoft and Citi all returned to lift cybersecurity technology provider Illusive Networks' total funding to $54m.

US-based cybersecurity technology provider Illusive Networks has received $24m of series B1 capital from investors including networking equipment provider Cisco, software publisher Microsoft and financial services firm Citi.

The round also featured Spring Lake Equity Partners, Marker, New Enterprise Associates, Bessemer Venture Partners and Innovation Endeavors.

Founded in 2014, Illusive provides cybersecurity technology that exploits deterministic data signatures to thwart malicious attacks. The cash will go toward bolstering sales and marketing and improving its product.

Incubator Team8 supplied Illusive with…