Penetration testing acquisitions and funding
53 acquisitions of penetration testing companies since 2020 and 48 funding rounds since 2022 on record. The most active buyers are Quadrant Private Equity (3), NetSPI (2) and Aikido Security (2). See the penetration testing companies in the directory.
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Deals
Showing 1 to 50 of 101
| Date | Deal | Amount | Source |
|---|---|---|---|
| September 2026 | NetSPI acquired SynackFedRAMP-authorized crowdsourced penetration testing platform combining the vetted SRT researcher community with AI-powered Hydra technology for continuous security testing. | Undisclosed | Report on NetSPI buying Synack, September 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2026 | A-LIGN acquired PathfynderProvides penetration testing, red teaming and incident response services | Undisclosed | Report on A-LIGN buying Pathfynder, September 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2026 | CounterMeasure Security raised a seed round | $1.4m | Report on the CounterMeasure Security funding round of September 2026 (opens in a new tab) |
| September 2026 | FAZE Security raised a seed roundInvestor New Era Capital Partners | $6m | Report on the FAZE Security funding round of September 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| August 2026 | Cytix raised a Series A roundInvestor Northern Gritstone | $7m | Report on the Cytix funding round of August 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| August 2026 | Horizon3 raised a Series E roundHorizon3 runs autonomous attack testing to find and verify exploitable weaknesses in production environments.Investors NightDragon and New Enterprise Associates | $250m | Report on the Horizon3 funding round of August 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| July 2026 | Twenty Technologies raised a Series B roundInvestor Khosla Ventures | $30m | Report on the Twenty Technologies funding round of July 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| July 2026 | OBDURIX raised a seed round | Undisclosed | Report on the OBDURIX funding round of July 2026 (opens in a new tab) |
| July 2026 | Casco raised a Series A roundInvestor Standard Capital | $13m | Report on the Casco funding round of July 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| July 2026 | DataExpert Group acquired ADO SecurityOffensive and defensive security services provider | Undisclosed | Report on DataExpert Group buying ADO Security, July 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2026 | Twenty Technologies raised a Series B roundInvestor Accel | $100m | Report on the Twenty Technologies funding round of June 2026 (opens in a new tab) |
| June 2026 | A Security raised a seed roundInvestor CyberStarts | $5m | Report on the A Security funding round of June 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| June 2026 | A Security raised a Series A roundInvestor Lightspeed Venture Partners | $32m | Report on the A Security funding round of June 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| June 2026 | Valiant Solutions acquired BreakPoint LabsDelivers AI-enabled cyber operations, threat emulation, red teaming and DevSecOps | Undisclosed | Report on Valiant Solutions buying BreakPoint Labs, June 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Vulnetic raised a pre-seed round | $35k | Report on the Vulnetic funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2026 | Prikus raised a seed round | $2.5m | Report on the Prikus funding round of May 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2026 | Autonomous Cyber raised a seed round | $2.5m | Report on the Autonomous Cyber funding round of April 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| April 2026 | APX Security raised a seed round | $375k | Report on the APX Security funding round of April 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| March 2026 | RunSybil raised a seed roundInvestor Khosla Ventures | $40m | Report on the RunSybil funding round of March 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| March 2026 | SafeHill acquired Arcane SecurityOffensive security firm specialising in autonomous AI penetration testing and application security | Undisclosed | Report on SafeHill buying Arcane Security, March 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| February 2026 | Littlefish acquired Stripe OLTAward-winning CREST-certified managed cyber security and IT support provider with offices in Bristol, London, and Manchester, specialising in penetration testing and Microsoft security technologies. | Undisclosed | Report on Littlefish buying Stripe OLT, February 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| January 2026 | Novee Security raised a seed roundInvestors YL Ventures, Canaan Partners and Oren Zeev | $51.5m | Report on the Novee Security funding round of January 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| January 2026 | Horizon3 raised fundingHorizon3 runs autonomous attack testing to find and verify exploitable weaknesses in production environments.Investor Prosperity7 Ventures | Undisclosed | Report on the Horizon3 funding round of January 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| December 2025 | Limerston Capital acquired AristiCHECK and CREST-accredited Birmingham-based cyber security consultancy with over 15 years of experience delivering penetration testing, red teaming, and OT security assessments for government and private sector clients. | Undisclosed | Report on Limerston Capital buying Aristi, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2025 | Infinum acquired AMR CyberSecurityPenetration testing and security consulting services | Undisclosed | Report on Infinum buying AMR CyberSecurity, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2025 | SpecterOps raised fundingAdversary-focused security firm created by former DoD red team operators. Creators of BloodHound. CREST-accredited for penetration testing, red teaming, and purple team assessments. | $30m | Report on the SpecterOps funding round of November 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| November 2025 | Twenty Technologies raised a Series A roundInvestor Caffeinated Capital | $38m | Report on the Twenty Technologies funding round of November 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| November 2025 | Saepio acquired RupturaOffensive security specialist providing penetration testing services | Undisclosed | Report on Saepio buying Ruptura, November 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2025 | Pentera acquired EVA Information SecurityOffensive security firm doing AI red teaming and penetration testing | Undisclosed | Report on Pentera buying EVA Information Security, November 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2025 | Unit 221b raised a seed roundInvestor J2 Ventures | $5m | Report on the Unit 221b funding round of September 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| September 2025 | Aikido Security acquired HaickerTurns elite human hacking into autonomous penetration testing systems | Undisclosed | Report on Aikido Security buying Haicker, September 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2025 | Aikido Security acquired AllseekBuilds AI agents that act as real attackers for pentesting | Undisclosed | Report on Aikido Security buying Allseek, September 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2025 | Cryptic Vector acquired Caesar Creek SoftwareOffensive cyber research, vulnerability analysis, exploit development and reverse engineering | Undisclosed | Report on Cryptic Vector buying Caesar Creek Software, August 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| July 2025 | Haicker raised a seed roundInvestor Project Europe | $229k | Report on the Haicker funding round of July 2025 (opens in a new tab) |
| July 2025 | Haicker raised a pre-seed roundInvestor Founderful Campus | $31k | Report on the Haicker funding round of July 2025 (opens in a new tab) |
| June 2025 | ThreatSpike Red raised a Series A roundLondon-based cybersecurity firm offering unlimited, fixed-price penetration testing and red teaming services with ISO 27001 certification and a unique subscription model.Investor Expedition Growth Capital | $14m | Report on the ThreatSpike Red funding round of June 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| June 2025 | Melius CyberSafe raised fundingInvestor North East Fund | $338k | Report on the Melius CyberSafe funding round of June 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| June 2025 | Truesec acquired BanshiePenetration testing, red teaming and ethical hacking services | Undisclosed | Report on Truesec buying Banshie, June 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Horizon3 raised fundingHorizon3 runs autonomous attack testing to find and verify exploitable weaknesses in production environments. | $73m | Report on the Horizon3 funding round of May 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| May 2025 | Tulsi received a grantInvestor NC IDEA | $10k | Report on the Tulsi funding round of May 2025 (opens in a new tab) |
| April 2025 | Infosys acquired The Missing LinkSydney-headquartered Australian cybersecurity firm founded in 1997, now part of Infosys. CREST-approved with OSCP, OSCE, and OSEE-certified testers. | $62m | Report on Infosys buying The Missing Link, April 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2025 | Cyber Advisors acquired Stratum SecurityInformation security consulting firm offering assessment and threat simulation services | Undisclosed | Report on Cyber Advisors buying Stratum Security, April 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2025 | Strike raised a Series A roundInvestor FinTech Collective | $13.5m | Report on the Strike funding round of March 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| March 2025 | Evolve Security raised funding | Undisclosed | Report on the Evolve Security funding round of March 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| March 2025 | SpecterOps raised a Series B roundAdversary-focused security firm created by former DoD red team operators. Creators of BloodHound. CREST-accredited for penetration testing, red teaming, and purple team assessments.Investor Insight Partners | $75m | Report on the SpecterOps funding round of March 2025 (opens in a new tab)via Security, Funded (opens in a new tab) |
| February 2025 | TAC Security acquired CyberScopeGreek web3 security firm doing smart contract and blockchain audits | Undisclosed | Report on TAC Security buying CyberScope, February 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| January 2025 | Inherent acquired DevensysCyber resilience services including penetration testing, SOC monitoring, incident response and training | Undisclosed | Report on Inherent buying Devensys, January 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2024 | Nomios acquired DionachGlobal enterprise cybersecurity consultancy founded in 1999 in Oxford, holding rare CREST STAR-FS accreditation and delivering penetration testing, red and purple teaming, and PCI QSA services across five international offices. | Undisclosed | Report on Nomios buying Dionach, October 2024 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2024 | Pentra raised a pre-seed roundInvestor Early Game Ventures | $167k | Report on the Pentra funding round of September 2024 (opens in a new tab)via Security, Funded (opens in a new tab) |
| September 2024 | Screwloose IT acquired White Rook CyberProvides offensive security, penetration testing, GRC advisory and managed security services. | Undisclosed | Report on Screwloose IT buying White Rook Cyber, September 2024 (opens in a new tab)via SecurityWeek (opens in a new tab) |
Acquisitions come from SecurityWeek's monthly M&A round-ups from 2021 onwards, from Cybersecurity Ventures' quarterly M&A reports for 2020, and a few from Wikipedia lists. Funding rounds from 2022 onwards come from Return on Security's weekly Security, Funded newsletter. These are dated to the month. A few deals added from the news are dated to the day. Smaller deals may be missing. Each Report link goes to the announcement or story the source cites, and the via link to the round-up or newsletter issue. Amounts are in US dollars. The category is what the bought or funded company sells.