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Cybersecurity M&A Roundup: 31 Deals Announced in October 2023

Thirty-one cybersecurity-related merger and acquisition (M&A) deals were announced in October 2023.

M&A cybersecurity

Thirty-one cybersecurity-related merger and acquisition (M&A) deals were announced in October 2023.

An analysis conducted by SecurityWeek shows that more than 210 cybersecurity-related mergers and acquisitions were announced in the first half of 2023.  

October 1-15

Arctic Wolf acquires Revelstoke

Security operations center (SOC) company Arctic Wolf has announced its intent to acquire security orchestration, automation and response (SOAR) firm Revelstoke. Arctic Wolf plans to combine its AI and ML models with Revelstoke’s AI integrations to deliver enhanced SOAR capabilities that will reduce response times and eliminate manual efforts.

Bastion Security Group acquires Cassini

Bastion Security Group, a company formed following the March acquisition of three New Zealand-based cybersecurity firms by private equity firm Quadrant, has acquired threat intelligence company Cassini. The combined businesses deliver a wide range of services, including governance, risk and compliance, penetration testing, consulting, and cloud security.  

KPMG acquires IMagosoft 

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KPMG in Canada is expanding its identity and access management (IAM) service offering with the acquisition of identity management solution provider IMagosoft.

LOCH Technologies acquires Avirtek

Wireless threat monitoring company has acquired Avirtek, a company that has developed autonomic cyber security (ACS) technology which received over $10 million in grants from the US government. The deal enables LOCH to expand its data detection and response capabilities for predictive AI anomaly detection across all networks and data streams. 

Lumifi acquires Castra

Managed detection and response (MDR) firm Lumifi announced buying Castra Managed Services. Castra is an MDR company that specializes in the Exabeam SIEM platform and the deal helps Lumifi expand its capabilities.  

MC2 Titanium acquires Trustwave

Growth equity firm MC2 Titanium has acquired Singapore Telecommunications’ stake in cybersecurity firm Trustwave for $205 million. Singtel acquired a 98% equity interest in Trustwave for over $800 million in 2015. 

Okta acquires Uno

Identity giant Okta has acquired password manager maker Uno. The deal helps Okta accelerate the release of its first consumer offering, Okta Personal, a free password manager that allows users to store, save, and autofill passwords for all their personal apps across multiple devices.

Tesserent acquires Beyond Binary

Australian cybersecurity firm Tesserent is set to purchase Beyond Binary for $4.4 million (A$7 million). Beyond Binary provides penetration testing, red teaming, attack simulation, and consulting services. The news comes months after Thales offered to acquire Tesserent for over $100 million. 

Truecaller acquires Unoideo (TrustCheckr)

Sweden-based Truecaller has acquired India-based Unoideo, the developer of the TrustCheckr fraud detection service. Truecaller is designed for identifying spam and fraud attempts, and the acquisition will strengthen its recently launched risk intelligence tool for enterprises.

TRM Labs acquires

Blockchain intelligence firm TRM Labs has acquired to help power Chainabuse, a platform for reporting malicious crypto activity that has received nearly 500,000 scam reports.

Zyston acquires Blue Lava

MSSP Zyston has acquired security program management SaaS solution Blue Lava. The deal enables Zyston to further enhance its cybersecurity performance management (CPM) offering by integrating Blue Lava’s capabilities.  

October 16-31

Accenture acquires Mnemo and 6point6

Accenture has announced buying Mnemo, a Mexico-based managed cybersecurity services provider, and 6point6, a UK-based tech consultancy specializing in cybersecurity, cloud and data. The 6point6 deal enables Accenture to enhance its strategy and architecture capabilities, particularly in the government, financial services, and defense and security sectors. The Mnemo acquisition helps Accenture grow its business in Mexico and expand in Latin America. 

Cuentas acquires majority stake in WHEN Group

Fintech company Cuentas is acquiring a majority stake in World Health Energy Holdings (WHEN Group), a telecom and cybersecurity company that provides solutions for both consumers and businesses. Cuentas will integrate WHEN Group’s portfolio of cybersecurity solutions into the Cuentas Mobile Platform and will offer WHEN’s solutions to its partners. 

BAE Systems acquires Eurostep

UK defense giant BAE Systems has acquired Sweden-based Eurostep, a secure data sharing company that will become part of BAE’s Digital Intelligence business. The deal will help accelerate the development of BAE’s PropheSEA digital asset management suite.

Check Point acquires Rmsource

Check Point Software Technologies has acquired Rmsource, a provider of managed security, cloud and IT services. The deal enables Check Point to enhance its Infinity Global Services with new managed security capabilities.

Cycura acquires Seekintoo and Proack

Cycura, the cybersecurity business unit of digital healthcare solutions provider Well Health, has acquired two companies: Seekintoo, a provider of security operations center (SOC) services, and Proack, which specializes in offensive security assessments, including penetration testing, red teaming, social engineering, and infrastructure testing. The deals enable Cycura to enhance patient data protection. 

Itsme acquires NextAuth

Digital identity app Itsme has acquired multi-factor authentication and e-signature solutions provider nextAuth to enhance its capabilities. Both companies are based in Belgium.  

Palo Alto Networks acquires Dig Security

Palo Alto Networks has entered into a definitive agreement to acquire Dig Security, an Israel-based provider of Data Security Posture Management (DSPM) technology, reportedly for $400 million. 

Proofpoint acquires Tessian

Enterprise security vendor Proofpoint has announced plans to buy email security specialist Tessian to boost up its ability to spot and block risky user behaviors.

Redhorse Corporation acquires Allied Associates International (A2I)

Redhorse Corporation has announced buying Allied Associates International (A2I), a cybersecurity and engineering company that provides its services to the US government. The merger enables Redhorse to add a cyber intelligence component to its data analytics, engineering, and AI/ML capabilities.

Rockwell Automation acquires Verve Industrial

Industrial giant Rockwell Automation has signed a definitive agreement to acquire Verve Industrial Protection, a cybersecurity company specializing in industrial control systems (ICS) and operational technology (OT). 


SecurityWeek is tracking deals involving managed security services providers (MSSPs) and distributors separately. Here is a list of deals from October 2023:       

Acheron Capital acquires Scientific Software and Systems (SSS)

Climb Global Solutions acquires DataSolutions

Ekco acquires Radius Technologies

Hi-COM acquires Computer Maintenance Agency (CMA)

Magna5 acquires Advanced Network Systems (ANS)

Orro Group acquires NW Computing

Telstra acquires Versent

ZainTECH acquires Specialized Technical Services Company (STS)

Related: Cybersecurity M&A Roundup: 28 Deals Announced in September 2023

Written By

Eduard Kovacs (@EduardKovacs) is a managing editor at SecurityWeek. He worked as a high school IT teacher for two years before starting a career in journalism as Softpedia’s security news reporter. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.

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