AI cybersecurity startup Armadin raises $255.5 million
One of the biggest startup funding stories this week is Armadin, an artificial-intelligence cybersecurity company.On October 1, 2026, Armadin announced that it had raised $255.5 million in Series B funding. The round valued the company at more than $2.5 billion. The financing was co-led by major venture-capital firms Andreessen Horowitz and Accel, with participation from…