Lacework, an AI-powered cloud security company founded in 2015, has raised a total of $1.9 billion in funding, achieving a valuation estimated between $4.79 billion and $8.78 billion. The company’s most significant raise was a $1.3 billion Series D round in November 2021, led by Sutter Hill Ventures, Altimeter Capital, and Tiger Global Management. Its platform autonomously monitors and secures multi-cloud environments, identifying insider threats and anomalies. Backed by over a dozen top-tier investors, Lacework has become one of the world’s largest cybersecurity startups before its eventual acquisition in 2024.