Who we are
SignalFisher is the Swiss pioneer in intelligent security testing and ethical hacking. Founded in Switzerland in 2020, with roots in the Swiss bug bounty scene dating back to 2015. Today our team of cybersecurity experts builds live, continuously learning security testing programs trusted by regulated enterprises worldwide.
The world of cybersecurity doesn't stand still, and neither do we. We're bold enough to challenge how security testing has always been done, and energetic enough to keep rebuilding it as threats evolve. Relevant, current, trusted: that's the standard we hold ourselves to, every day.
Cybersecurity is evolving. We're adapting. Join us.
Our leadership team










Growth Partners

Direttissima Growth Partners is a European growth equity firm based in Zurich and Munich, providing growth capital to proven technology and service businesses advancing digitalization, automation, and sustainability in B2B value chains. The team brings hands-on experience as founders, executives, and investors, and is supported by a network of top-tier entrepreneurs and operators committed to building European champions.
Deutsche Beteiligungs AG (DBAG) is a listed private equity firm (since 1985), focusing on well-positioned mid-market companies in DACH and Italy. Its sector focus is on manufacturers, industrial service providers and IndustryTech enterprises, companies from the business services, IT services, software, healthcare, and environment, energy and infrastructure sectors.DBAG Group's assets under management or advisory amount to approximately 2.7 billion euros.
Make the first move
The cybersecurity industry needs a hard reset to keep up with our ever-changing world. We help our clients adapt so they can feel ready and resilient for what comes next. If you’re curious to know how, talk to us.