AllegisCyber
VC Fund
San Francisco, United States
AllegisCyber is a VC fund in San Francisco focused on Software and Cyber Security. AllegisCyber invests in early-stage companies developing technology and software to serve emerging markets. It uses its integrated cybersecurity investment platform and a game-changing strategic partnership with innovative cybersecurity start-up studio DataTribe to give o entrepreneurs an unfair competitive advantage.
- Total investments:
- 128
- Last investment:
- Lead investor:
- 30%
- Fund size:
- $199M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries AllegisCyber invests in
Stages AllegisCyber invests in
Countries AllegisCyber invests in
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
| See all 16 contacts → | |||
Investment Focus
Industry
- Software 22 (17%)
- Cyber Security 16 (13%)
- Security 15 (12%)
- Network Security 14 (11%)
- Enterprise Software 10 (8%)
Stage
- Series B 35 (27%)
- Series A 26 (20%)
- Series C 20 (16%)
- Series D 10 (8%)
- Funding Round 8 (6%)
Country
- United States 52 (41%)
- United Kingdom 2 (2%)
- Canada 1 (1%)
- Israel 1 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Bob Ackerman
Founder and Managing Director
|
Founder and Managing Director | Total investments: 6 | Find email | |
Robert Ackerman
Founder & Managing Director
|
Founder & Managing Director | Total investments: 18 | Find email | |
David DeWalt
Managing Director
|
Managing Director | Total investments: 29 | Find email | |
David G. DeWalt
Managing Director
|
Managing Director | Total investments: 0 | Find email | |
Hossein Eslambolchi
Venture Partner
|
Venture Partner | Total investments: 4 | Find email | |
| See all 16 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| NetAbstraction is a network engineering and cybersecurity firm intended to protect customer activities on the internet. | $26M / Series B / Oct 16, 2025 | ||
| Elisity is an identity-based microsegmentation platform that simplifies Zero Trust security for modern enterprise networks. By leveraging existing switching infrastructure, it allows organizations to discover, classify, and secure all managed and unmanaged devices—including IT, OT, and IoT assets—without requiring new hardware or complex agents.The platform enforces granular access policies directly at the network edge, effectively preventing lateral movement and minimizing the attack surface. This innovative approach provides rapid time-to-value and scalable protection, ensuring that users and devices can only access the resources they explicitly need to function. | $45M / Series B / Apr 29, 2024 | ||
| Vicarius helps Security and IT teams protect their most critical apps and assets against software exploitation through vRx, a consolidated end-to-end vulnerability remediation platform that combines discovery, prioritization, and mitigation in a single platform. Backed by tier-one Silicon Valley investors, Vicarius was founded by security expertson a mission to provide problem-solving remediation solutions that proactively reduce risk wherever assets reside. Effortlessly find and eliminate threats while reducing the strain on internal security resources, freeing up personnel to focus on other mission-critical tasks without sacrificing security. Get started for free today or learn more at https://vicarius.ioVicarius was founded in 2016 by three entrepreneurs from the information-security industry and operates from headquarters in New York and Tel Aviv. | $30M / Series B / Jan 17, 2024 | ||
| In an industry focused on detection, Source Defense provides websites with the first ever prevention technology for attacks of third-party origin. We are the first ever SAAS platform that allows a site owner to set and enforce permissions, receive real-time alerts and monitor third-party vendors' behavior on their site. By removing thesecurity considerations from third-party integrations, we can save countless man-hours spent on tests and integrations, allowing sites to focus on generating revenues and new opportunities while keeping the site visitors safe and the site in high performance. | $27M / Series B / Apr 26, 2022 | ||
| Vicarius helps Security and IT teams protect their most critical apps and assets against software exploitation through vRx, a consolidated end-to-end vulnerability remediation platform that combines discovery, prioritization, and mitigation in a single platform. Backed by tier-one Silicon Valley investors, Vicarius was founded by security expertson a mission to provide problem-solving remediation solutions that proactively reduce risk wherever assets reside. Effortlessly find and eliminate threats while reducing the strain on internal security resources, freeing up personnel to focus on other mission-critical tasks without sacrificing security. Get started for free today or learn more at https://vicarius.ioVicarius was founded in 2016 by three entrepreneurs from the information-security industry and operates from headquarters in New York and Tel Aviv. | $24M / Series A / Feb 09, 2022 | ||
| Dragos is an industrial cybersecurity company on a mission to safeguard civilization by protecting the world’s critical infrastructure. Dragos codifies the knowledge of our cybersecurity experts into an integrated software platform that provides customers critical visibility into ICS and OT networks so that threats are identified and can beaddressed before they become significant events. Our solutions protect organizations across a range of industries, including power and water utilities, energy, and manufacturing, and are optimized for emerging applications like the Industrial Internet of Things (IIOT). Dragos is privately held and headquartered in the Washington, DC area with a regional presence around the world, including Canada, Australia, New Zealand, Europe, and the Middle East. | $200M / Series D / Oct 28, 2021 | ||
| SkyHive is the developer of a SaaS platform that enables workforce reskilling and labor market intelligence. They provide quantum labour analytics services. They also optimizes human economies in real-time and provide customized workforce solutions. | $40M / Series B / Oct 20, 2021 | ||
| Elisity is an identity-based microsegmentation platform that simplifies Zero Trust security for modern enterprise networks. By leveraging existing switching infrastructure, it allows organizations to discover, classify, and secure all managed and unmanaged devices—including IT, OT, and IoT assets—without requiring new hardware or complex agents.The platform enforces granular access policies directly at the network edge, effectively preventing lateral movement and minimizing the attack surface. This innovative approach provides rapid time-to-value and scalable protection, ensuring that users and devices can only access the resources they explicitly need to function. | $26M / Series A / Jun 15, 2021 | ||
| NetAbstraction is a network engineering and cybersecurity firm intended to protect customer activities on the internet. | $9M / Series A / May 19, 2021 | ||
| Panaseer is the first Continuous Controls Monitoring platform for enterprise cybersecurity. Our platform shows you every asset, application, user and data set across your IT estate in real-time. This identifies gaps in controls coverage, aligns security with framework standards and substantiates regulatory compliance. Our automated reportssignificantly reduce reporting time and tailor insights to stakeholders at every level, enhancing decision-making from the boardroom to the analyst. These reports can also be mapped to the organisation’s structure, so you can prioritise risk based on impact to the business.Enterprise security leaders around the world trust our platform to help them make better security decisions. | $26.5M / Series B / May 11, 2021 | ||
| See all 128 investments → | |||
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FAQ
What does AllegisCyber invest in?
AllegisCyber invests primarily in Software, Cyber Security and Security startups, most often at Series B and Series A stage. Most of the 128 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact AllegisCyber?
Public channels for AllegisCyber include LinkedIn, the website linked on this profile and Facebook. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at AllegisCyber?
The team at AllegisCyber includes Bob Ackerman (Founder and Managing Director), Robert Ackerman (Founder & Managing Director) and David DeWalt (Managing Director), among 16 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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