| October 2021 | Onfido acquired EYNUK biometric technology company making acoustic liveness technology | | Undisclosed | Report on Onfido buying EYN, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | One Identity acquired OneLoginOneLogin sells identity and access management software. | IAM, Identity and access management | Undisclosed | Report on One Identity buying OneLogin, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Netwrix acquired PolicyPak | | Undisclosed | Report on Netwrix buying PolicyPak, October 2021 (opens in a new tab)via Wikipedia (opens in a new tab) |
| October 2021 | Microsoft acquired Two HatContent moderation provider protecting online communities from harmful content | | Undisclosed | Report on Microsoft buying Two Hat, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | KnowBe4 acquired SecurityAdvisorProvides awareness training and insights into human behaviour | Awareness training, Security awareness and human risk | $80m | Report on KnowBe4 buying SecurityAdvisor, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Keysight Technologies acquired SCALABLE Network TechnologiesOffers tools to imitate networks and simulate online dangers | | Undisclosed | Report on Keysight Technologies buying SCALABLE Network Technologies, October 2021 (opens in a new tab) |
| October 2021 | Kaspersky acquired Brain4NetSpecialises in networking solutions for communications networks | | Undisclosed | Report on Kaspersky buying Brain4Net, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | JPX Global acquired VeeMost TechnologiesProvides cloud and cybersecurity solutions | | Undisclosed | Report on JPX Global buying VeeMost Technologies, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | INE acquired Pentester AcademyCloud-based hands-on lab platform for cyber security training | Awareness training, Security awareness and human risk | Undisclosed | Report on INE buying Pentester Academy, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | HSB acquired ZeguroCybersecurity platform offering risk management services for small businesses | | Undisclosed | Report on HSB buying Zeguro, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | HelpSystems acquired PhishLabsThreat intelligence company providing cybersecurity intelligence services | Threat intel, Threat intelligence | Undisclosed | Report on HelpSystems buying PhishLabs, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | HelpSystems acquired Digital GuardianSpecialises in data loss prevention technology | DLP, Data loss prevention | Undisclosed | Report on HelpSystems buying Digital Guardian, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Forcepoint acquired BitglassProvides security service edge platform for secure access and data protection | SASE, SASE and SSE | Undisclosed | Report on Forcepoint buying Bitglass, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Deloitte acquired Sliced TechRuns secure cloud services for government bodies | MSSP, Managed security services | Undisclosed | Report on Deloitte buying Sliced Tech, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Dataminr acquired KrizoEnterprise crisis response platform | IR, Incident response | Undisclosed | Report on Dataminr buying Krizo, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Coalition acquired Attune Insurance | | Undisclosed | Report on Coalition buying Attune Insurance, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Clavister acquired Omen TechnologiesCreates smart security tools for connected industrial devices | IoT security, IoT, embedded and product security | $1.8m | Report on Clavister buying Omen Technologies, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Chainalysis acquired ExcygentProfessional services firm helping with cybercrime investigations for public and private sectors | IR, Incident response | Undisclosed | Report on Chainalysis buying Excygent, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Cerberus Cyber Sentinel acquired RED74Managed security services provider focused on integrated risk managed services | MSSP, Managed security services | Undisclosed | Report on Cerberus Cyber Sentinel buying RED74, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Cellebrite acquired Digital IntelligenceSwiss company providing open source intelligence tools and services | OSINT, OSINT tools | Undisclosed | Report on Cellebrite buying Digital Intelligence, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | BlueVoyant acquired 202 GroupProvides supply chain risk management solutions to government organisations | TPRM, Third-party risk and security ratings | Undisclosed | Report on BlueVoyant buying 202 Group, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Ampa acquired CSS AssureLooks after keeping information safe and limiting danger | GRC, GRC and compliance automation | Undisclosed | Report on Ampa buying CSS Assure, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | Amber Group acquired NightVizionUS-based application security firm | | Undisclosed | Report on Amber Group buying NightVizion, October 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2021 | 11:11 Systems acquired Green Cloud DefenseProvides cloud infrastructure as a service with managed cloud security | | Undisclosed | Report on 11:11 Systems buying Green Cloud Defense, October 2021 (opens in a new tab) |
| September 2021 | TransUnion acquired NeustarIdentity resolution company with marketing, fraud and communications solutions | ITDR, Identity threat detection and response | $3.1bn | Report on TransUnion buying Neustar, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Tenable acquired AccuricsOffers cloud security tools to developers and defenders | CNAPP, Cloud security (CNAPP and CSPM) | $160m | Report on Tenable buying Accurics, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Solvinity acquired SecurifyTests software safety and breaks into systems for clients | Pen testing, Penetration testing | Undisclosed | Report on Solvinity buying Securify, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Redcentric acquired Piksel Industry SolutionsProvides application, public cloud and security digital transformation managed services | | $13m | Report on Redcentric buying Piksel Industry Solutions, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | PwC acquired AvalerisAdvises on cyber defence, focusing on Microsoft identity, security and cloud products | Consulting, Security consulting and vCISO | Undisclosed | Report on PwC buying Avaleris, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Ping Identity acquired Singular KeyBuilds tools that arrange identity and security tasks without writing code | IAM, Identity and access management | Undisclosed | Report on Ping Identity buying Singular Key, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Orro acquired eSecureA managed security services provider | MSSP, Managed security services | Undisclosed | Report on Orro buying eSecure, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | OPSWAT acquired SNDBOXProvides a malware analysis sandbox solution | | Undisclosed | Report on OPSWAT buying SNDBOX, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Nexon Asia Pacific acquired Veridian SolutionsProvides contact centre, cloud and security services | MSSP, Managed security services | Undisclosed | Report on Nexon Asia Pacific buying Veridian Solutions, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Mitratech acquired AlyneProvides AI-powered governance, risk and compliance platform | GRC, GRC and compliance automation | Undisclosed | Report on Mitratech buying Alyne, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Millennia Technologies acquired Fusion ITA cybersecurity firm and managed security services provider | MSSP, Managed security services | Undisclosed | Report on Millennia Technologies buying Fusion IT, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | McAfee Enterprise acquired FireEye Products | | Undisclosed | Report on McAfee Enterprise buying FireEye Products, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Mastercard acquired CipherTraceStudies digital coins and examines blockchain records | Threat intel, Threat intelligence | Undisclosed | Report on Mastercard buying CipherTrace, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | LogPoint acquired SecBIIsraeli threat detection and response firm | NDR, Network detection and response | Undisclosed | Report on LogPoint buying SecBI, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | LG acquired CybellumSoftware platform for building SBOMs, tracking vulnerabilities and producing ISO 21434 and R155 evidence for vehicle firmware. | Automotive, Automotive cybersecurity | $240m | Report on LG buying Cybellum, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Kape Technologies acquired ExpressVPNRuns a virtual private network service for consumers | | $936m | Report on Kape Technologies buying ExpressVPN, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Jungle Disk acquired OffsiteDataSyncGives firms methods to copy data and protect it | Backup, Backup and cyber recovery | Undisclosed | Report on Jungle Disk buying OffsiteDataSync, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Jungle Disk acquired LiveVaultSupplies tools for storing copies and guarding information | Backup, Backup and cyber recovery | Undisclosed | Report on Jungle Disk buying LiveVault, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Jungle Disk acquired KeepItSafeOffers ways to save copies of data and keep it safe | Backup, Backup and cyber recovery | Undisclosed | Report on Jungle Disk buying KeepItSafe, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | JFrog acquired UpswiftRuns a system for overseeing gadgets linked to the internet | IoT security, IoT, embedded and product security | Undisclosed | Report on JFrog buying Upswift, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | HUB Security acquired ComsecOffers training, risk checks, testing and guidance on staying secure | Consulting, Security consulting and vCISO | $21m | Report on HUB Security buying Comsec, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | FireMon acquired DisruptOpsSpecialises in cloud security operations and risk monitoring | CNAPP, Cloud security (CNAPP and CSPM) | Undisclosed | Report on FireMon buying DisruptOps, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | F5 acquired Threat Stack | CWPP, Cloud workload and container security | $68m | Report on F5 buying Threat Stack, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Entrust acquired Antelop Solutions | | Undisclosed | Report on Entrust buying Antelop Solutions, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Dynatrace acquired SpectX | | Undisclosed | Report on Dynatrace buying SpectX, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Document Storage Systems acquired SBG Technology SolutionsOffers IT services and solutions to government and commercial clients | | Undisclosed | Report on Document Storage Systems buying SBG Technology Solutions, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |