Hornetsecurity, a Microsoft 365 security and compliance solutions provider catering to MSPs in Europe, was acquired by Thoma Bravo-backed cloud security Proofpoint for $1.8 billion. The buyer got to reach the SMB segment with its largest-ever acquisition. 

Agentless cyberexposure management company Armis was acquired by ServiceNow in December for $7.7 billion. 

Cloud security company Wiz was acquired by tech giant Alphabet in March for $32 billion. 

Tech giant Palo Alto bought cloud-native identity security company Cyber Ark in July for $24.9B to accelerate Palo Alto Networks' platform strategy by establishing Identity Security as a new core platform.

Finally, in November, SplxAI, open-source artificial intelligence (AI) security software company, was bought by Zscaler for $65 million, bolstering Zscaler’s AI security offerings. 

In October AI-powered cyber threat intelligence software provider ThreatConnect was bought by Dataminr for $290 million, to enhance threat-intelligence capabilities. 

Nozomi Networks, AI-powered industrial operational technical and IoT security and visibility software, was bought by Mitsubishi for $883M, adding a strong and growing AI-powered, cloud-first cybersecurity software business to Mitsubishi’s existing offerings.

Healthcare-focused IoT cybersecurity software provider Cynerio was bought by Axonius for $100M, to target the healthcare market.

US-based AI-driven cybersecurity automation and credentials management software company AI Cyber Forge was bought by India-based security firm eMudhra for $4.8M in July to position itself globally as a comprehensive cybersecurity provider.