Proofpoint, a cybersecurity company owned by private equity firm Thoma Bravo, is in advanced negotiations to acquire Varonis, a publicly traded cybersecurity firm. The potential acquisition comes as Varonis's market value hovers around $5 billion.

News of the discussions led to a significant increase in Varonis's share price. The company, which focuses on data security and analytics, has been a target of speculation regarding its future ownership.

Thoma Bravo, a prominent private equity firm specializing in software and technology investments, has previously shown interest in consolidating the cybersecurity sector. The acquisition of Varonis by Proofpoint would represent a significant move in this trend, potentially creating a larger entity with expanded capabilities in threat detection and data protection.