Cybersecurity M&A Roundup: 40 Offers Introduced in September 2025

Forty cybersecurity merger and acquisition (M&A) offers have been introduced in September 2025.

An evaluation carried out by SecurityWeek exhibits that 405 cybersecurity-related mergers and acquisitions have been introduced in 2024. Try the detailed report.

Here’s a checklist of a very powerful cybersecurity M&A offers introduced in September 2025:

Accenture acquires IAMConcepts

Skilled companies large Accenture has acquired Canada-based IAMConcepts, an organization that focuses on identification and entry administration (IAM) options. The deal will improve Accenture’s capability to ship IAM options in Canada. Over the previous decade, Accenture has acquired 22 cybersecurity firms.

Cato Networks acquires Purpose Safety

Safe entry service edge (SASE) agency Cato Networks has acquired AI safety firm Purpose Safety. That is Cato’s first-ever acquisition and it’ll enable the corporate to develop its SASE Cloud Platform to allow enterprises to securely undertake AI brokers and purposes. Monetary phrases of the deal weren’t formally disclosed, however Calcalist reported that Cato paid an estimated $300-350 million in money and shares for Purpose.

Test Level to amass Lakera

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Test Level Software program Applied sciences introduced plans to amass Lakera, an organization specializing in safety for agentic AI purposes. The addition of Lakera know-how will allow Test Level to increase its AI safety capabilities. Lakera may even kind the premise of Test Level’s new World Middle of Excellence for AI Safety. Monetary particulars weren’t formally disclosed, however Test Level has reportedly agreed to pay an estimated $300 million for Lakera.

CrowdStrike to amass Pangea

CrowdStrike introduced plans to purchase AI safety agency Pangea to develop its Falcon platform with new protections designed for enterprise AI methods. CrowdStrike will combine Pangea’s capabilities to assist organizations monitor, management, and safe AI interactions. The cybersecurity large is reportedly paying roughly $260 million for Pangea.

DigiCert acquires Valimail

PKI, TLS certificates, and digital safety options supplier DigiCert has acquired zero belief e-mail authentication firm Valimail. Valimail’s DMARC know-how will improve the capabilities of the DigiCert ONE platform.

F5 to amass CalypsoAI

F5 is buying AI safety agency CalypsoAI for $180 million. CalypsoAI has developed a platform designed to make use of agentic purple teaming, real-time defenses, and automatic safety enforcement to safe AI at inference. F5 will combine Capypso AI know-how into its Software Supply and Safety Platform (ADSP).

Mitsubishi Electrical to amass Nozomi Networks

Mitsubishi Electrical has signed an settlement to amass OT and IoT cybersecurity firm Nozomi Networks in a deal that values the corporate at practically $1 billion. Mitsubishi Electrical will purchase the Nozomi Networks shares it doesn’t already personal for $883 million in money. Nozomi Networks will proceed to function independently.

SecurityScorecard acquires HyperComply

SecurityScorecard introduced the acquisition of HyperComply, an AI-powered platform for safety questionnaire automation and compliance administration. The acquisition combines SecurityScorecard’s safety scores and steady third- and fourth-party threat visibility with HyperComply’s clever automation.

SentinelOne acquires Observo AI

SentinelOne introduced plans to purchase Observo AI, a knowledge pipeline platform for DevOps and safety. Observo AI’s platform is designed to assist enterprises handle the numerous quantity of knowledge generated by IT infrastructure and safety instruments. SentinelOne mentioned Observo AI will allow it to spice up its SIEM and knowledge choices.

Varonis acquires SlashNext

Varonis Methods introduced the acquisition of e-mail safety supplier SlashNext for $150 million. SlashNext leverages predictive AI fashions to guard customers from superior spearphishing and social engineering assaults through e-mail and collaboration apps. SlashNext will allow Varonis to reinforce the capabilities of its Managed Knowledge Detection and Response (MDDR) service.

Different cybersecurity M&A offers introduced in September 2025:

31 Idea acquires Xynthor AI

360 Superior acquires Safety Compliance Associates

Aikido Safety acquires Allseek and Haicker

American Methods acquires Epsilon

Axiom GRC acquires The DPO Centre

BID Fairness acquires TinyMDM

CloserStill Media acquires Billington CyberSecurity

CompassMSP acquires Simplegrid

Com Laude to amass Markmonitor

Cyberbit acquires RangeForce

EbankIT acquires SecuritySide