Mesh by BitDefender
Track on RadarAcquired by Bitdefender · 2025 · news
Email security platform built exclusively for MSPs to protect SMB clients
- Total raised
- $1.7M
- Employees
- 20
- Founded
- 2020
- Momentum
- 33
Cooling
Data updated August 2026
About
About Mesh by BitDefender
At a glance
Mesh by BitDefender is a cybersecurity company specializing in Email & Messaging Security, founded in 2020 and headquartered in Dublin, Ireland. It has raised $1.7M in total funding, employs about 20 people, and was acquired by Bitdefender in 2025.
Mesh provides email security solutions designed exclusively for Managed Service Providers (MSPs). The company was founded in 2020 by Ralph Casey, Brian Byrne, and Daimhin Kavanagh, who previously worked together at another email security company serving MSPs for over a decade. They identified that MSPs needed a platform specifically designed for their unique requirements rather than enterprise-focused solutions. The company offers three main products: Mesh Gateway, which blocks advanced threats at the perimeter before they reach the inbox; Mesh 365, which provides API-based protection that integrates with Microsoft 365 to detect threats that evade Microsoft's native security; and Mesh Unified, which combines both perimeter and mailbox protection. These solutions protect against various email-based threats including business email compromise, phishing, spear-phishing, ransomware, payment fraud, CEO fraud, whaling, brand impersonation, malware, display name spoofing, supply chain fraud, and sextortion. Mesh operates on a channel-only model, working exclusively with MSPs and never competing with them for end-client business. The platform includes features tailored for MSP operations such as automated billing systems, PSA integrations, concierge migration services, and custom-branded marketing materials. The company provides technical documentation, support services, and resources specifically designed to help MSPs deliver email security services to their small and medium-sized business clients.
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FAQ
Frequently asked questions about Mesh by BitDefender
When was Mesh by BitDefender founded?▾
Mesh by BitDefender was founded in 2020.
Where is Mesh by BitDefender headquartered?▾
Mesh by BitDefender is headquartered in Dublin, Ireland.
How much funding has Mesh by BitDefender raised?▾
Mesh by BitDefender has raised a total of $1.7M in total funding.
Is Mesh by BitDefender public or private?▾
Mesh by BitDefender is a privately-held company.
How many employees does Mesh by BitDefender have?▾
Mesh by BitDefender has approximately 20 employees.