How many Network Security acquisitions have there been?

There are 1350 recorded acquisitions in the Network Security sector spanning 1984-2026, totalling $199.83B in disclosed deal value.

Who are the biggest acquirers in Network Security?

The most active acquirers in Network Security include Cisco, NortonLifeLock, Check Point Software Technologies.

What are the largest Network Security acquisitions ever?

The largest disclosed Network Security acquisitions include Advent International's purchase of McAfee ($14B, 2021), HP's purchase of Hewlett Packard Enterprise ($13.9B, 2008), Thoma Bravo's purchase of Proofpoint ($12.3B, 2021).

How many Network Security acquisitions have there been in the last 1 year?

There have been 92 recorded Network Security acquisitions in the last year.

What is the average Network Security deal size?

The average disclosed deal size in the Network Security sector is $843.19M.

What is the median Network Security deal size?

The median disclosed deal size in the Network Security sector is $130M.

Which year had the most Network Security acquisitions?

The most Network Security acquisitions in a single year were recorded in 2021, with 137 deals.

Network Security

Name: Network Security Companies, Acquisitions & Funding
Creator: Acquirezy
License: https://acquirezy.com/terms
Keywords: Network Security, acquisitions, funding, M&A, investors, companies

Companies, acquisitions, funding rounds and active investors across the Network Security sector.

Companies

26,131

Acquisitions

1,350

Total Funding

$128.26B

Funding Rounds

4,846

Active Investors

Network Security Acquisitions

1,350 results

Acquiree Name			Acquirer Name	Acquiree Industries	Acquiree Hq Country
Pathfynder	—	2026-09-01	A-LIGN	Cyber Security Information Technology Network Security	United States
Minimus	—	2026-08-27	Echo Software	Computer Cyber Security Enterprise Software Network Security	United States
Vodafone	—	2026-08-06	Liberty Global	Data Center Information Technology Messaging Mobile Apps Mobile Devices Network Security Telecommunications	United Kingdom
GigaNetworks	—	2026-08-03	BlueAlly	Customer Service Network Security Security	United States
BioCatch	$2.4B	2026-08-03	Visa	Analytics Cyber Security Financial Services FinTech Fraud Detection Network Security	Israel

1–5 of 1,350Show

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Network Security Funding Rounds

4,846 results

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Organization Name	Funding Type			Lead Investor Names	Org Hq Country

1–5 of 4,846Show

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Top Network Security Investors

Top Network Security Companies

GRYPHON IT Practice Waveium NextVision Stabilized Systems EfficientIP Orange Kokusai Electric Corporation Emproof Plurilock Arlo Industries Lantronix Quantum Bridge

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M&A by year

2026 2025 2024 2023 2022 2021

Datasets

Top Companies

Top Industries

Years (1990-2026)