| July 2026 | Infoblox acquired KentikNetwork intelligence and observability platform giving real-time network traffic visibility | Undisclosed | Report on Infoblox buying Kentik, July 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2025 | Vectra AI acquired NetographyNetwork observability company providing cloud-native visibility for cyberattack defence | Undisclosed | Report on Vectra AI buying Netography, October 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2025 | F5 acquired MantisNetCloud-native observability and real-time network intelligence using eBPF | Undisclosed | Report on F5 buying MantisNet, August 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| July 2025 | Darktrace acquired Mira SecurityProvides visibility into network traffic to detect and mitigate threats | Undisclosed | Report on Darktrace buying Mira Security, July 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2025 | PartnerOne acquired NetWitnessA supplier of tools that spot and answer threats | Undisclosed | Report on PartnerOne buying NetWitness, March 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2024 | Logpoint acquired MuninnProvides AI-driven network detection and response | Undisclosed | Report on Logpoint buying Muninn, October 2024 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2024 | Thoma Bravo acquired DarktraceDarktrace provides AI-powered cybersecurity solutions that detect and respond to threats across networks, cloud, email, and AI systems. | $5.3bn | Report on Thoma Bravo buying Darktrace, April 2024 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2023 | WatchGuard acquired CyGlass Technology ServicesUses artificial intelligence to spot network threats and respond openly | Undisclosed | Report on WatchGuard buying CyGlass Technology Services, September 2023 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2023 | Mastercard acquired Baffin Bay NetworksSwedish provider of threat protection services for customers | Undisclosed | Report on Mastercard buying Baffin Bay Networks, March 2023 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2022 | Celerium acquired Dark CubedSoftware that defends small firms and public contractors automatically | Undisclosed | Report on Celerium buying Dark Cubed, September 2022 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2022 | Forescout Technologies acquired CysivThreat detection and response startup | Undisclosed | Report on Forescout Technologies buying Cysiv, June 2022 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2021 | Open Text Corporation acquired BricataNetwork detection and response firm | Undisclosed | Report on Open Text Corporation buying Bricata, November 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | LogPoint acquired SecBIIsraeli threat detection and response firm | Undisclosed | Report on LogPoint buying SecBI, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| July 2021 | Sophos acquired BraintraceCybersecurity provider selling network detection and response technology | Undisclosed | Report on Sophos buying Braintrace, July 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2021 | SS8 acquired Bivio NetworksLets bodies watch over and protect vital network systems | Undisclosed | Report on SS8 buying Bivio Networks, June 2021 (opens in a new tab) |
| June 2021 | Bain Capital Private Equity and Crosspoint Capital Partners acquired ExtraHop NetworksA company selling tools that find and stop network attacks | $900m | Report on Bain Capital Private Equity and Crosspoint Capital Partners buying ExtraHop Networks, June 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2021 | LiveAction acquired CounterFlow AISpots and deals with threats travelling across computer networks | Undisclosed | Report on LiveAction buying CounterFlow AI, May 2021 (opens in a new tab) |
| March 2021 | IronNet Cybersecurity acquired LGL Systems AcquisitionCollective defence and network detection and response provider | Undisclosed | Report on IronNet Cybersecurity buying LGL Systems Acquisition, March 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2020 | Arista Networks acquired Awake SecurityBuilds a system that spots and answers network attacks | Undisclosed | Report on Arista Networks buying Awake Security, September 2020 (opens in a new tab)via Cybersecurity Ventures (opens in a new tab) |
| July 2020 | VMware acquired Lastline | Undisclosed | Report on VMware buying Lastline, July 2020 (opens in a new tab)via Wikipedia (opens in a new tab) |
| January 2020 | VMware acquired NyansaAI-based network analytics company with IoT security platform | Undisclosed | Report on VMware buying Nyansa, January 2020 (opens in a new tab)via Cybersecurity Ventures (opens in a new tab) |
| January 2020 | Skyview Ventures acquired Fidelis CybersecurityRuns trickery, spotting and countering threats over networks, devices and hosted systems | Undisclosed | Report on Skyview Ventures buying Fidelis Cybersecurity, January 2020 (opens in a new tab)via Cybersecurity Ventures (opens in a new tab) |