Hornetsecurity Group to Acquire Altospam

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.

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.

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).

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.

Arrow Business Communications Acquires Altinet Ltd

July 1, 2020

Cybersecurity

MML-backed Arrow Business Communications Limited has acquired Altinet Ltd, a Leeds-based provider of cyber security managed services. The add-on strengthens Arrow's cybersecurity capability following MML's January 2020 investment; the deal was supported by CVC Credit Partners and advised by Kemp Little and RSM.

Palo Alto Networks Acquires Talon Cyber Security

December 28, 2023

Cybersecurity

Palo Alto Networks completed the acquisition of Talon Cyber Security to integrate Talon’s enterprise browser technology into its Prisma SASE offering. The deal extends Palo Alto’s SASE capabilities by protecting managed and unmanaged devices and will make Talon’s Enterprise Browser available to qualified SASE AI customers at no additional cost.