Astaro

What Astaro does

Astaro is a private, for-profit cybersecurity vendor founded in 2000 and headquartered in Karlsruhe, Germany, with 101-250 employees. The company develops network, web, and email security software and appliances, positioning itself as a European infrastructure-security vendor serving enterprise and mid-market customers with perimeter and messaging-protection products. No revenue, customer, pricing, partnership, leadership, or post-2004 operating data is available in the supplied source material; the bulk of the input pertains to Sophos, a separate entity whose website was scraped in error for this company. As a result, only the firmographic profile (founding year, location, headcount, product category) and two historical venture rounds (totaling approximately $12.9 million from Insight Venture Management, OpenView, and Wellington Partners in 2003 and 2004) can be confirmed about Astaro from this dataset. Investors' participation across two consecutive rounds suggests an active scaling phase in the mid-2000s, but no subsequent funding, acquisition, leadership, product roadmap, or financial signals are present to characterize later growth or current operating status.

Name

Astaro

Website

https://astaro.com

Company type

Private

Founded year

2000

Headcount range

101–250 employees

Short description

Astaro, founded in 2000 in Karlsruhe, Germany, develops network, web and email security software and appliances for enterprise and mid-market customers. The company raised approximately $12.9 million across two venture rounds in 2003 and 2004.

Ownership category

akta.pro rank

Headquarters

HQ city

Karlsruhe

HQ country

Germany

HQ region

Europe

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Supply Chain, Operations

Revenue model

1. Software Subscriptions: Subscription-based model for Sophos Central platform including endpoint security, network security, email security, and cloud security products. Customers can subscribe to individual modules or bundles.
2. Managed Security Services (MDR): Managed Detection and Response services providing 24/7 monitoring and response. Premium service with human expert oversight complementing AI-powered detection.
3. Professional Services: Advisory services, security testing, incident response, and operational support services.
4. Hardware (Network Security): Next-generation firewall appliances and network infrastructure hardware including switches and wireless access points.

Pricing tiers

Go-to-market motion2 records

Distribution channels6 records

Marketing channels7 records

Core offering

Astaro develops and sells network security, web security, and email security products delivered as both software and dedicated security appliances. The offerings are aimed at organizations seeking to protect their IT infrastructure against network intrusions, malicious web content, and email-borne threats.

Product overview

Sophos is an adaptive AI-native cybersecurity platform offering a comprehensive portfolio of security products and services. The core platform is Sophos Central, a cloud-based management console that unifies all security capabilities. The product suite spans endpoint security (Sophos Endpoint, EDR, Server Protection, Mobile Security), network security (Next-Gen Firewall, NDR, Switches, Secure WiFi), workspace protection (ZTNA, Protected Browser, DNS Protection, Email Monitoring), email security (Sophos Email, Phish Threat), and cloud security (Cloud Workload Protection). Managed services include Sophos MDR (the world's largest Agentic SOC), Managed Risk, Incident Response, and Advisory Services. The platform leverages 50+ GenAI and deep learning capabilities for adaptive threat protection, with 100+ integrations with third-party solutions. Sophos serves 600,000+ customers worldwide and is recognized as Gartner Customers' Choice for endpoint, firewalls, mobile threats, and MDR.

Differentiator

Problem solved

Functional benefit

Products and services

• Astaro Network Security Network security software and security appliances developed by Astaro to protect organizational networks from intrusions and threats.
• Astaro Web Security Web security software and appliances developed by Astaro to filter web traffic and protect organizations from web-borne threats.
• Astaro Email Security Email security software and appliances developed by Astaro to protect organizations from email-borne threats such as spam, phishing, and malware.

Quantifiable outcome

• Prevention-first approach blocks ransomware, phishing, and credential-based attacks before they spread
• +1 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability7 records

Feature6 records

Partnerships

Four partnerships are on record, tiered core.

• MicrosoftcoreTechnology or IntegrationStrategic partnership providing Sophos MDR integration with Microsoft Defender environments. Sophos offers specialized protection for Microsoft environments and co-developed integration for Microsoft Defender contact request capabilities.
• AWS (Amazon Web Services)coreTechnology or IntegrationCloud-native security integration for AWS workloads through Sophos Cloud Workload Protection. Part of public cloud security solutions.
• AzurecoreTechnology or IntegrationCloud security integration for Microsoft Azure environments. Enables comprehensive defense for cloud workloads and identities across Azure.
• Google CloudcoreTechnology or IntegrationCloud-native security integration for Google Cloud Platform workloads. Part of comprehensive cloud security coverage.

Scale indicators3 records

Recent moves2 records

Expansion highlights1 record

Direct peers

• Sophos: Acquirer of Astaro in 2011. Operates the same network, endpoint, web, and email security domains and continues to sell the integrated Astaro-derived product line under the Sophos brand.
• Fortinet: Leading vendor of network security appliances and UTM/NGFW products (FortiGate). Directly comparable to Astaro's core firewall and network security appliance offering.
• SonicWall: Hardware firewall and UTM appliance vendor serving SMB and mid-market. Closely comparable to Astaro on form factor and customer segment.
• WatchGuard Technologies: Specialist in UTM and NGFW appliances with a similar SMB/mid-market focus. Directly comparable product category and appliance-centric delivery model.
• Palo Alto Networks: Next-generation firewall leader that competes in the same network security category as Astaro's firewall offering, although at a much larger enterprise scale.
• Check Point Software Technologies: Long-standing network security vendor with firewall, UTM, and email/web security offerings — overlapping Astaro's network, email, and web product footprint.
• Barracuda Networks: Delivers email security, web security, and network security appliances targeting mid-market and SMB — overlapping Astaro's portfolio across multiple security domains.

Broad incumbents

• Cisco: Broad networking and cybersecurity incumbent (Cisco ASA/Firepower, Umbrella, Secure Email). Competes with Astaro in network firewalls and adjacent security categories as part of a much wider portfolio.
• Juniper Networks: Networking incumbent with SRX firewall and security products overlapping Astaro's network security appliance category as part of a broader networking portfolio.

Emerging players

• Netgate (pfSense): Open-source firewall/UTM (pfSense) vendor selling software and appliances. Competes with Astaro on network security appliances at the lower end of the market with a software-led model.

Market position

Strengths3 records

Weaknesses3 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• Xx.com/Astaro
• Facebookfacebook.com/astaro
• LinkedInlinkedin.com/company/astaro-ag

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds2 records

Investors3 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Astaro