San Diego, Calif.-based continuous security validation company AttackIQ, has raised $17.6 million in a Series B funding round. The investment was led by Khosla Ventures, and existing investors Index Ventures, Salesforce Ventures and Telstra Ventures.

Brian Byun, partner of Khosla Ventures, has joined the company’s board of directors.

AttackIQ has raised $35 million to date.

[Image courtesy: AttackIQ]