AegisAI Raises $36 Million Series A To Fight AI Spear Phishing
By Amit Chowdhry ● Jul 24, 2026
AegisAI, an email security company building its own large language models to defend the inbox, announced a $36 million Series A led by Battery Ventures, with participation from existing investors Accel and Foundation Capital. The round brings the company's total funding to $49 million, less than a year after emerging from stealth. AegisAI will use the funding to scale its fleet of autonomous defense agents, accelerate general availability of Vanguard, its agent that hunts threats beyond the inbox, and expand enterprise go-to-market efforts.