ThreatLocker
| Industry | Cybersecurity |
|---|---|
| Founded | 2017 |
| Founder |
|
| Headquarters | , United States |
Key people | |
| Revenue | $100 million (2025) |
Number of employees | 700 |
ThreatLocker is an American cybersecurity company that develops zero trust cybersecurity tools for endpoints and networks, including software as a service products.
History
[edit]ThreatLocker was founded in 2017 by Danny and Sami Jenkins and John Carolan.[2][3] It initially described its products as providing application whitelisting.[4] It expanded into Europe in 2021.[5] That year, the company said it had raised $20 million for expanding its global footprint and product research and development. By 2022, it had raised a total of $100 million. It provided server and endpoint security for 23,000 organizations.[6] ThreatLocker was one of Orlando Business Journal's 2022 Fire Awards honorees and recipient of a 2022 Fire Awards Blazers.[5] It acquired Third Wall that year, a company that made an automated security plug-in that locks down Windows.[7]
In November 2023, ThreatLocker hired Apple security consultant Slava Konstantinov as chief architect of Mac security and development.[8] That year, it opened its Dublin headquarters with approximately 120 positions[3] and acquired the assets of Arlington, Virginia-based software firm HyperQube Technologies. The company named HyperQube chief executive officer Craig Stevenson as director of ThreatLocker Ops.[9] A Series D funding round raised $115 million in 2024.[2] Danny Jenkins said in 2025 that the company was planning an initial public offering within two to three years.[10] ThreatLocker added zero trust network and cloud access products in 2026. This followed the establishment of 14 data centers, 12 of which are based in the United States.[11] It announced $190 million in Series F funding in July 2026.[12][13]
Operations
[edit]Co-founders Danny and Sami Jenkins are the company's chief executive officer and chief operating officer, respectively.[14][2] ThreatLocker is based in Orlando, Florida, has European headquarters in Blanchardstown, Dublin,[3] and has offices in the United Arab Emirates and Australia. Its Florida location employs approximately 600 people and there are an additional 100 outside the area, as of 2025.[15] Danny Jenkins said in 2025 that the company had $100 million in revenue, and that revenue had increased 3,000% over a three-year period.[2] It served approximately 50,000 companies as of 2025.[2] Investors include Boston, Massachusetts-based company Elephant VC and Minneapolis, Minnesota-based company Arthur Ventures.[6]
Products and services
[edit]ThreatLocker develops cybersecurity tools for networks, endpoints, and cloud systems, including enterprise-level cybersecurity tools for businesses.[3] These help businesses control what software can run in their environments and its capabilities.[2]
It uses a zero trust approach, whereby the software only allows specific applications and user activity that have been approved rather than detecting and blocking it.[14] ThreatLocker offerings include allowlisting,[2] ringfencing, network access control, storage control, elevation control, and threat detection.[16] The company expanded in 2026 with zero trust network and cloud access products for customers including managed service providers.[17]
A TechRadar reviewer said that ThreatLocker's endpoint security product had an "unrefined" user interface but many features.[18] Competitors include SentinelOne, CrowdStrike, Symantec Endpoint Protection, and Microsoft Defender for Endpoint.
References
[edit]- ↑ Alspach, Kyle (18 August 2025). "ThreatLocker Chief Product Officer: 'Turn Off VPNs'". CRN. Retrieved 6 April 2026.
- 1 2 3 4 5 6 7 Fechter, Michael (11 July 2025). "Cyber Heroes". Florida Trend. Retrieved 23 March 2026.
- 1 2 3 4 O'Brien, Ciara (13 January 2023). "US cybersecurity firm aims to create 120 jobs in Dublin". The Irish Times. Retrieved 7 January 2024.
- ↑ Weckler, Adrian (2024-03-14). "From a caravan in Meath to a $1bn firm: how Danny Jenkins built ThreatLocker". Irish Independent. pp. T6–01. Retrieved 2026-08-04.
- 1 2 Soderstrom, Alex (24 May 2022). "2022 Fire Awards: Orlando cybersecurity firm ThreatLocker aims to double its staff of 100-plus". Orlando Business Journal. Retrieved 9 January 2024.
- 1 2 Soderstrom, Alex (19 April 2022). "Exclusive: Cyber firm ThreatLocker to double staff and enhance product after $100M VC deal". Orlando Business Journal. Retrieved 9 January 2024.
- ↑ Burke, Steven (11 November 2022). "Locking Down Microsoft Windows: ThreatLocker Acquires Third Wall". CRN. Retrieved 9 January 2024.
- ↑ Burke, Steven (8 November 2023). "ThreatLocker Steps Up Zero Trust Drive, Names Security Veteran As Mac Security Chief Architect". CRN. Retrieved 9 January 2024.
- ↑ Lundine, Susan (16 March 2023). "Maitland cybersecurity firm ThreatLocker to acquire assets of HyperQube Technologies". Orlando Business Journal. Retrieved 9 January 2024.
- ↑ Weckler, Adrian (2025-02-27). "IPO plans for billion-dollar Threatlocker a long way from humble Meath caravan". Irish Independent. pp. T6. Retrieved 2026-08-04.
- ↑ Alspach, Kyle (6 March 2026). "ThreatLocker Driving 'Reimagined' Zero Trust, Consolidation For MSPs: Partners". CRN. Retrieved 23 March 2026.
- ↑ Alspach, Kyle (July 29, 2026). "ThreatLocker Lands $190M In New Funding: 5 Key Things To Know". CRN. Retrieved 2026-08-04.
- ↑ "Orlando cybersecurity firm ThreatLocker expands internationally after $190M funding round". Orlando Business Journal. 2026-07-29. Retrieved 2026-08-04.
- 1 2 Godsil, Jillian (10 February 2025). "From Hacker to Cyber Gamekeeper, Danny Jenkins". Irish Tech News. Retrieved 23 March 2026.
- ↑ Lynch, Ryan (17 November 2025). "ThreatLocker to hire more than 1,000 in metro Orlando as valuation tops $2B". Orlando Business Journal. Retrieved 23 March 2026.
- ↑ Alspach, Kyle (7 March 2023). "How ThreatLocker Is Becoming An 'Ecosystem' Of Security Tools For MSPs". CRN. Retrieved 4 January 2024.
- ↑ Alspach, Kyle (5 March 2026). "ThreatLocker Unveils Zero Trust Network And Cloud Access: 5 Things To Know". CRN. Retrieved 6 April 2026.
- ↑ Drake, Nate; Fadilpašić, Sead (April 21, 2025). "Threatlocker review". TechRadar. Retrieved 2026-08-04.