New investor Susquehanna International Group (SIG) joins existing Series A investors Valley Capital Partners, Big Basin Ventures, and Northern Light Venture Capital. Extending its Series A round has been a more efficient way of absorbing new capital than opening up a subsequent funding round, and given the ongoing investor interest in Stellar Cyber, this extension allows new … [Read more...] about Security provider Stellar Cyber, with the first Open-XDR security platform, has received $7.1 million in an expansion of its Series A round, bringing the total to $21.8 million