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Semperis

Semperis

Computer and Network Security

Hoboken, New Jersey 36,033 followers

About us

For security teams charged with defending hybrid and multi-cloud environments, Semperis ensures the integrity and availability of critical enterprise directory services at every step in the cyber kill chain and cuts recovery time by 90%. Purpose-built for securing hybrid identity environments—including Active Directory, Entra ID, and Okta—Semperis’ AI-powered technology protects over 100 million identities from cyberattacks, data breaches and operational errors. The world’s leading organizations trust Semperis to spot directory vulnerabilities, intercept cyberattacks in progress and quickly recover from ransomware and other data integrity emergencies. Semperis is headquartered in Hoboken, New Jersey, and operates internationally, with its research and development team distributed throughout the United States, Canada and Israel. Semperis hosts the award-winning Hybrid Identity Protection conference and podcast series (www.hipconf.com) and built the community hybrid Active Directory cyber defender tools, Purple Knight (www.semperis.com/purple-knight/) and Forest Druid. The company has received the highest level of industry accolades, recently named to Inc. Magazine’s list of best workplaces for 2024 and ranked the fastest-growing cybersecurity company in America by the Financial Times. Semperis is a Microsoft Enterprise Cloud Alliance and Co-Sell partner and is a member of the Microsoft Intelligent Security Association (MISA).

Website
https://www.semperis.com/
Industry
Computer and Network Security
Company size
501-1,000 employees
Headquarters
Hoboken, New Jersey
Type
Privately Held
Specialties
Active Directory, Disaster Recovery, Identity and Access Management, AD forest recovery, Cybersecurity, ITDR, Hybrid Identity management, Security Assessment, Identity Threat Detection and Response, Indicators of Compromise, Indicators of Exposure, Identity Security, and Hybrid Identity

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Employees at Semperis

Updates

  • The response to Midnight in the War Room has been unreal. During a recent trailer reveal and panel discussion, Thomas LeDuc (CMO at Semperis, executive producer and co-director) and Mickey Bresman (CEO at Semperis, executive producer) opened up about why we made this film and what it means for the people on the front lines of cyber. Seeing the room fully engaged, hearing the reactions, and feeling the support from the community has been a huge moment for this project. Big updates coming soon. Interested in becoming an action partner? Contact Sarah.Simpson@semperis.com. #MidnightInTheWarRoom #Cybersecurity #DefendersUnite #Documentary

  • 86% of enterprises experience an identity-related breach. Are you confident your Active Directory (AD) and Entra ID are protected? Semperis' Directory Services Protector (DSP) delivers continuous monitoring and rapid recovery to close the gaps attackers exploit, so you can detect threats sooner. 👉 Learn more: https://okt.to/GWs75Q

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  • View organization page for Semperis

    36,033 followers

    Defenders are always on. Threats never stop. Attackers don’t take holidays. That kind of pressure needs a release valve. See how CISO Krista Arndt blows off steam — and trains her mind to stay calm when everything is on the line. What part of Krista's story resonates most with you? Share your thoughts below. Make sure to follow Midnight in the War Room for exclusive interview clips like this one and behind-the-scenes content.

  • View organization page for Semperis

    36,033 followers

    Are you feeling overwhelmed by the thought of securing your AD and Entra ID? You're not alone. It's tough to tackle those years of small misconfigurations that seem insurmountable. But we can help! Join our webinar with our Irish partner, Renaissance, for an insightful session where our experts, Kriss Stephen and Norman Newell - Securing Ireland's Enterprise, will share quick, practical steps to strengthen your identity security. 📅 Mark your calendar for Wednesday, 26 November at 10:00 AM GMT. Reserve your spot today: https://okt.to/vHmJQB

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  • NEW Semperis report: ⚠️ 52% of ransomware attacks happen on weekends and holidays. Yet 78% of organizations still cut SOC staffing by 50% or more on those days. ⚠️ The 2025 Ransomware Holiday Risk Report—an analysis of responses from 10 countries and 8 industry sectors—offers insights into ransomware risk, attack behavior, and defense trends, plus recommendations for automations and best practices to strengthen your cyber resilience, even when staffing is sparse. Share the findings with your IT, security, and business stakeholders. Get the new report: https://okt.to/m23fDc #RansomwareRisk #CyberResilience #HybridIdentityProtection

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  • 🔒 Cybersecurity Industry Watch: Weekly Highlights 🔒 It’s Monday, and we’re here with the latest news shaping the cybersecurity landscape: 1️⃣Operation Endgame dismantles global malware network as Europol and partners take down over 1,000 servers tied to infostealers, RATs, and botnets, disrupting major cybercrime infrastructure. Source: https://okt.to/VdwoYf ➡️ Actionable Insight: Strengthen your vendor and endpoint monitoring—law enforcement takedowns often trigger retaliatory campaigns. 2️⃣Hackers Breach SitusAMC, Exposing Sensitive Banking Data in Major Supply Chain Attack. ➡️ Actionable Insight: Increase scrutiny of third-party vendors and regularly review the security controls of any supplier handling sensitive data, as supply-chain gaps can lead to widespread exposure like the SitusAMC breach. Source: https://okt.to/y3hjmW 3️⃣Hospitality sector faces massive phishing surge as attackers register thousands of fake domains impersonating booking platforms like Airbnb and Expedia to steal payment data. Source:https://okt.to/mt5AKV ➡️ Actionable Insight: Deploy advanced email security and domain monitoring to protect customers and brand reputation. 💡 CISO Insight: Global law enforcement actions, zero-day exploits in enterprise applications, and large-scale phishing campaigns underscore the need for patch discipline, supply chain security, and brand protection strategies.

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Funding

Semperis 8 total rounds

Last Round

Series C

US$ 125.0M

See more info on crunchbase