| 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) |
| September 2021 | Cytracom acquired OmniNetOffers wide-area networking run by software plus protection for cloud systems | SASE, SASE and SSE | Undisclosed | Report on Cytracom buying OmniNet, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Consilio acquired Adecco GroupLegal consulting and eDiscovery business unit of Special Counsel | IR, Incident response | Undisclosed | Report on Consilio buying Adecco Group, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Breakwater Solutions acquired ClairvoyaSpecialises in data governance solutions and data lineage | GRC, GRC and compliance automation | Undisclosed | Report on Breakwater Solutions buying Clairvoya, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Booz Allen Hamilton acquired TracepointFirm handling digital evidence gathering and response to breaches | IR, Incident response | Undisclosed | Report on Booz Allen Hamilton buying Tracepoint, September 2021 (opens in a new tab) |
| September 2021 | BlueVoyant acquired ConcanonBig data solutions consulting company supporting Splunk security services | Consulting, Security consulting and vCISO | Undisclosed | Report on BlueVoyant buying Concanon, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Bitsight acquired VisibleRiskCyber risk ratings venture assessing organisations' financial exposure to cyber risk | TPRM, Third-party risk and security ratings | Undisclosed | Report on Bitsight buying VisibleRisk, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Arctic Wolf acquired Habitu8Training platform for security awareness and training | Awareness training, Security awareness and human risk | Undisclosed | Report on Arctic Wolf buying Habitu8, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | archTIS acquired CipherpointData security company selling software | DLP, Data loss prevention | $1.4m | Report on archTIS buying Cipherpoint, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Akamai Technologies acquired GuardicoreCloud security company with micro-segmentation technology | CWPP, Cloud workload and container security | $600m | Report on Akamai Technologies buying Guardicore, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | Achieve Partners acquired MetmoxManaged security service provider | MSSP, Managed security services | Undisclosed | Report on Achieve Partners buying Metmox, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2021 | ACA Group acquired CatelasElectronic communications surveillance and investigations platform detecting high-risk behaviour | | Undisclosed | Report on ACA Group buying Catelas, September 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2021 | XYPRO acquired HPEWatches over safety and rule-following on Linux systems and SAP HANA databases | | Undisclosed | Report on XYPRO buying HPE, August 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2021 | Two Six Technologies acquired Trusted Concepts | | Undisclosed | Report on Two Six Technologies buying Trusted Concepts, August 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2021 | Tesserent acquired Loop SecureOffers cybersecurity solutions | | Undisclosed | Report on Tesserent buying Loop Secure, August 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2021 | Telos acquired Diamond Fortress TechnologiesSpecialises in touchless fingerprint biometrics solutions | IAM, Identity and access management | Undisclosed | Report on Telos buying Diamond Fortress Technologies, August 2021 (opens in a new tab)via SecurityWeek (opens in a new tab) |