Hornetsecurity Acquires British Email Security Partner EveryCloud

Proofpoint to Acquire Hornetsecurity Group to Expand Global M365 Cybersecurity for MSPs

May 15, 2025

Cybersecurity

Proofpoint, Inc. entered into a definitive agreement to acquire Hornetsecurity Group, a pan-European provider of AI-powered Microsoft 365 security, data protection, compliance, and security awareness services. The deal is intended to enhance Proofpoint’s ability to deliver human-centric security to small and mid-sized businesses globally through managed service providers (MSPs).

Hornetsecurity Group to Acquire Altospam

April 3, 2025

Cybersecurity

Hornetsecurity, a provider of next-generation cloud security, compliance, backup and security awareness solutions, signed a definitive agreement to acquire Altospam, a French email cybersecurity company. The deal is subject to approval by the French Ministry for the Economy under French Foreign Direct Investment (FDI) regulations.

Hornetsecurity Group Acquires Altaro

January 12, 2021

Cloud & SaaS

Hornetsecurity Group, a Germany-based cloud email security provider backed by PSG and Verdane, has agreed to acquire Altaro, a Malta-headquartered developer of backup solutions for Microsoft 365 and virtual machines. The deal expands Hornetsecurity's product suite and international footprint by adding Altaro's Office 365 and VM backup capabilities to create a broader cloud security and compliance platform.

Hornetsecurity Acquires Zerospam

March 25, 2021

Cybersecurity

Hornetsecurity Group has acquired Zerospam, a Montreal-based cloud email protection specialist, to accelerate its North American expansion and broaden its email security and compliance offerings. The transaction is supported by Hornetsecurity shareholders PSG and Verdane; financial terms were not disclosed.

TA Associates, PSG and Verdane Invest in Hornetsecurity

September 6, 2022

Cybersecurity

Hornetsecurity, a Hanover-based cloud security and compliance SaaS provider, has received a strategic growth investment from TA Associates, joining existing investors PSG Equity and Verdane in a co-control partnership with management. The capital will support product build-out, international expansion and continued M&A as Hornetsecurity scales its email security, backup and compliance offerings.

nClouds Acquires Foghorn Consulting

April 9, 2024

Cloud & SaaS

nClouds, an AWS Premier Tier Services Partner based in Salt Lake City, has acquired Foghorn Consulting, an AWS Premier Tier Services Partner founded in San Francisco focused on cloud security, migration, and application modernization. The deal — with Foghorn being acquired from Centersquare (which purchased Foghorn in 2021) — expands nClouds' cloud engineering, DevOps, and managed-services capabilities to better serve customers across healthcare, financial services, software, energy and the public sector.