Proofpoint Acquires Dathena

Proofpoint Acquires Tessian

December 19, 2023

Cybersecurity

Proofpoint, Inc. has completed the acquisition of Tessian, a provider of AI-powered behavioral email security and data loss prevention. The deal integrates Tessian's machine-learning detection for misdirected emails and data exfiltration into Proofpoint's threat and information protection platform to expand its AI-driven defenses across email, cloud, and endpoints.

Proofpoint Acquires Hornetsecurity Group

May 15, 2025

Cybersecurity

Proofpoint, Inc. has entered into a definitive agreement to acquire Hornetsecurity Group, a Hanover-based provider of AI-powered Microsoft 365 security, data protection, compliance, and security awareness solutions. The acquisition (expected to close in H2 2025) expands Proofpoint's reach into the MSP channel and SMB market and brings Hornetsecurity's ~$160–200M ARR business and large MSP partner ecosystem into Proofpoint's platform.

Proofpoint, Inc. Acquires Normalyze

October 29, 2024

Cybersecurity

Proofpoint, Inc. has signed a definitive agreement to acquire Normalyze, a Data Security Posture Management (DSPM) provider. The acquisition will integrate Normalyze's AI-powered DSPM technology into Proofpoint's human-centric security platform to improve discovery, classification and protection of data across SaaS, PaaS, cloud, on‑prem and hybrid environments; the deal is expected to close in November 2024.

Proofpoint Acquires Acuvity

February 12, 2026

Cybersecurity

Proofpoint, Inc. has acquired Acuvity, an AI security and governance platform provider, to enhance its capabilities for securing AI agents, copilots, and model-connected applications across the enterprise. The acquisition adds AI-native visibility, governance and runtime protection to Proofpoint’s human- and agent-centric cybersecurity platform, enabling broader protection of people, data and AI-driven workflows.

Fortinet Acquires Next DLP to Strengthen Unified SASE Data Protection

August 6, 2024

Cybersecurity

Fortinet has acquired Next DLP, a cloud-native SaaS provider of insider risk and data loss prevention (DLP) technology, with the deal closing on August 5, 2024. The acquisition will integrate Next DLP's AI/ML-powered anomaly detection and classification capabilities into Fortinet's SSE/SASE and broader Security Fabric to expand Fortinet's standalone and integrated DLP offerings.

Blend360 Acquires FutureproofAI, Inc.

May 23, 2023

Data & Analytics

Blend360, a data science solutions provider, has acquired FutureproofAI, Inc., a specialist technology consultancy focused on omnichannel decision management and implementation of Pegasystems' Customer Decision Hub. The deal expands Blend360's data engineering and analytics capabilities to better serve large enterprise clients across the US and EMEA and accelerate AI-powered real-time customer decisioning implementations.