New round led by Inovia Capital backs a reasoning-based architecture designed for attacks that bypass traditional email security

SAN FRANCISCO, July 22, 2026 /PRNewswire/ -- StrongestLayer, the AI-native email security company, today announced it has raised $4.1 million in new funding, bringing total seed funding to $9.3 million. The round was led by Inovia Capital with participation from existing investor Sorenson Capital, and new investors LaunchPod, Alumni Ventures, and Chris Key, former Chief Product Officer of Mandiant.