Proofpoint Acquires Acuvity

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 Acquires Nuclei

May 21, 2025

Cybersecurity

Proofpoint, Inc. has acquired Nuclei, Inc., a Holmdel, New Jersey-based provider of compliance archiving and AI-driven data enrichment for modern workplace communications. The acquisition integrates Nuclei's capture, transcription, translation and analytics capabilities (100+ app connectors) into Proofpoint's digital communications governance offering to strengthen compliance archiving and surface conversational insights for regulated enterprises.

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.

Fortinet Acquires Perception Point

December 11, 2024

Cybersecurity

Fortinet has acquired Perception Point, an Israel-based provider of AI-powered email and collaboration security, to extend protections across modern workspaces (email, Slack, Teams, browsers, and cloud storage) and integrate those capabilities into the Fortinet Security Fabric. The acquisition strengthens Fortinet’s user-facing security portfolio and expands its AI-driven threat detection across collaboration and SaaS endpoints.

Proofpoint Acquires Dathena

January 10, 2022

Cybersecurity

Proofpoint has completed the acquisition of Dathena, an AI-powered data discovery and classification specialist, to enhance its Information & Cloud Security and people-centric DLP offerings. The deal integrates Dathena's AI-driven data classification capabilities into Proofpoint's cloud platform, expanding its data protection capabilities and strengthening its presence in Asia.

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.