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Security

ThreatLocker

Zero Trust cybersecurity solutions

CORE INFO

$60M
Total Funding
Series D+
Round
2017
Founded
1000+
Team Size
Maitland, Florida, United States
Headquarters

ThreatLocker provides advanced cybersecurity solutions using a Zero Trust model to protect organizations from cyber threats by allowing only approved applications and processes to run. Their services cater to a wide range of industries, including finance, healthcare, and education.

  • ThreatLocker raised $60 million in a Series E funding round led by Arthur Ventures, reaching a post-money valuation of $1.2 billion.cbinsights.com
  • ThreatLocker protects over 50,000 organizations worldwide, showcasing its significant impact in the cybersecurity industry.threatlocker.com
  • CRN reported on ThreatLocker's expansion of its Zero Trust approach to cloud and mobile, highlighting its efforts to address challenges faced by Managed Service Providers (MSPs).crn.com

WHY WE WOULD WORK AT THREATLOCKER

Innovative Zero Trust Solutions

Join a leader in Zero Trust cybersecurity, implementing a 'default deny' approach that protects organizations like Heathrow Airport and JetBlue from cyber threats.

Rapid Company Growth

Be part of a fast-growing company that has expanded to over 1,000 employees since its founding in 2017, backed by $60 million in recent funding.

Strong Company Values

Embrace a culture that prioritizes innovation, urgency, and diversity, fostering an environment where new ideas challenge the status quo.

Recognized Industry Leader

Work for a company ranked #69 on Forbes' list of America's Best Startup Employers and recognized for its high performance in application control.

Cutting-Edge Technology

Engage with advanced technologies like EDR real-time threat detection and Zero Trust Network Access, ensuring you stay at the forefront of cybersecurity.

Impactful Clientele

Contribute to securing over 50,000 organizations worldwide, making a tangible difference in industries ranging from healthcare to government.

MARKET AND TRACTION

GROWTH TACTICS

  • ThreatLocker has successfully raised a total of $60 million in Series E funding to enhance its product offerings and expand its market reach.

  • The company has focused on a 'default deny' approach to cybersecurity, which has proven effective in blocking unauthorized activities and enhancing security for its clients.

  • ThreatLocker has expanded its headquarters in Maitland, Florida, to accommodate its growing team and operations.
  • NOTABLE CUSTOMERS

  • ThreatLocker serves a diverse clientele, including major organizations such as Heathrow Airport, JetBlue, and the Indianapolis Colts.

  • Other notable clients include the Orlando Magic, Emirates Flight Catering, and the University of Central Florida, showcasing its broad appeal across various sectors.
  • KEY METRICS

    ✦ KEY METRIC
  • As of 2024, ThreatLocker has protected over 50,000 organizations worldwide, demonstrating significant market traction and customer trust.

  • The company employs approximately 1,000 individuals as of 2026, indicating robust growth in its workforce to support its expanding operations.
  • COMPETITIVE ADVANTAGE

  • ThreatLocker's Zero Trust cybersecurity solutions provide a unique 'default deny' model that enhances security by only allowing explicitly approved applications to run.

  • The company has received industry recognition, including being ranked #1 in Application Control by PeerSpot, highlighting its effectiveness in the cybersecurity space.
  • MARKET POSITION

  • ThreatLocker was ranked #69 on Forbes' list of America's Best Startup Employers in 2026, reflecting its strong employer brand and workplace culture.

  • The company is positioned as a leader in the cybersecurity market, particularly in the Zero Trust segment, which is increasingly critical for organizations facing evolving cyber threats.
  • PRODUCT AND TECH

    Zero Trust Platform

    ThreatLocker's comprehensive Zero Trust platform implements a 'default deny' approach, ensuring that only explicitly approved applications and processes can run, effectively blocking unauthorized activities and enhancing overall security.

    Allowlisting Technology

    This technology allows organizations to specify which applications are permitted to execute, significantly reducing the risk of malware and ransomware attacks by preventing unauthorized software from running.

    Privileged Access Management

    ThreatLocker's Privileged Access Management solution controls and monitors access to sensitive systems, ensuring that only authorized users can perform critical actions, thereby minimizing the potential for insider threats.

    Managed Detection and Response (MDR)

    The MDR service provides real-time threat detection and response capabilities, allowing organizations to quickly identify and mitigate cyber threats before they can cause significant damage.

    Ringfencing Technology

    Ringfencing isolates critical applications and processes from potential threats, ensuring that even if a breach occurs, the impact is contained and does not compromise the entire system.

    COMPANY CULTURE

    Values

  • Sense of Urgency: Acting swiftly to secure businesses from threats.

  • Innovation: Developing proactive solutions to outpace cyber threats.

  • Challenge the Norm: Creating new, effective defenses against cybercriminals.

  • Diversity: Embracing diverse perspectives to drive innovation.
  • Operating Principles

  • Default Deny Approach: Only explicitly approved applications are allowed to run.

  • Continuous Improvement: Regularly updating security measures to combat evolving threats.

  • Customer-Centric: Focusing on the needs and feedback of clients to enhance services.
  • Benefits

  • Comprehensive Security: Protecting organizations from various cyber threats.

  • Employee Growth: Opportunities for professional development and skill enhancement.

  • Collaborative Environment: Encouraging teamwork and open communication among employees.
  • Learning & Growth

  • Ongoing Training: Regular training sessions on the latest cybersecurity trends.

  • Innovation Workshops: Encouraging employees to brainstorm and develop new ideas.

  • Mentorship Programs: Pairing experienced staff with newer employees for guidance.
  • Team Cadence

  • Agile Methodology: Adopting flexible work practices to respond quickly to changes.

  • Regular Check-Ins: Frequent team meetings to discuss progress and challenges.

  • Feedback Loops: Encouraging open dialogue for continuous improvement and adaptation.
  • HIRING SIGNAL

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    Open roles on their careers page
    Snapshot via live ATS poll
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    Net new roles in the last 90 days
    Available once weekly history accrues
    90-Day VelocityV2 · BACKFILL
    Trend builds weekly as historical rows accrue
    SourcesGreenhouseLeverAshbyWorkableSmartRecruitersRipplingRecruiteeFallback · Wellfound, YC Work-at-a-Startup, careers-page scrape

    KEY COMPANY ANNOUNCEMENTS

    Filter
    12 announcements · ranked by importance
    Jul 29, 2026FUNDINGThreatLocker Raises $190 Million in Series F Funding - SecurityWeeksecurityweek.com
    Apr 24, 2024FUNDINGThreatLocker® Raises $115M Series D to Continue Deliveringglobenewswire.com
    Apr 1, 2022FUNDINGThreatLocker raises $100M Series C funding to bring Zero Trust endpoint security to more organizationsthreatlocker.com
    Aug 5, 2025MILESTONEThreatLocker® Achieves FedRAMP, Reinforcing Commitment to Federal-Grade Cybersecurity and Compliancethreatlocker.com
    Dec 23, 2025INTERVIEWEP 167: Threatlockerdarknetdiaries.com
    Jan 1, 2025INTERVIEWThreatLocker CEO Danny Jenkins On Growth, Past Mistakes And Why It’s Good To ‘Harass’ Customerscrn.com
    “‘Harass’”crn.com · Jan 1, 2025
    Jan 1, 2024INTERVIEWThreatLocker and Zero Trust: A Conversation with Danny Jenkinsitbusinesspodcast.com
    Jan 13, 2023MILESTONEGlobal Leader in Cybersecurity ThreatLocker Launches EMEA Headquarters in Dublin with 120 Jobsthreatlocker.com
    Mar 16, 2023EXEC HIREThreatLocker enters agreement to acquire assets of HyperQube and appoints Craig Stevenson to Leadership Teamthreatlocker.com
    Nov 1, 2024AWARD2024 Technology Fast 500™ Rankingsdeloitte.com
    Feb 11, 2025CUSTOMER WINThreatLocker® and Indianapolis Colts Forge Game-Changing Cybersecurity Partnershipthreatlocker.com
    Dec 9, 2022MILESTONEThreatLocker, a Pioneer in Endpoint Security, Expands into New Maitland Headquartersthreatlocker.com