Series B · Cybersecurity · Brno, Czechia · Founded 2016 · 100–200 employees
Whalebone is a cybersecurity company founded in 2016 that provides DNS-based security solutions for telecommunications companies, ISPs, enterprises, and governments. The company leads the European Union's DNS4EU project, making it the official provider of secure DNS resolution for the EU with a mission to protect 100 million citizens. Whalebone has raised €13.35M in Series B funding in February 2025 and has over 350 customers globally including major telecom operators like O2, A1 Austria, and Telefónica Germany. The company was named Web Filtering & Control Solution of the Year in 2024 and has been recognized as one of Europe's fastest-growing companies by Deloitte and Financial Times.
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