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About us
Nobody knows cybersecurity like F-Secure. For three decades, F-Secure has driven innovations in cyber security, defending tens of thousands of companies and millions of people. F-Secure's sophisticated technology combines the power of machine learning with the human expertise of its security labs for a singular approach called Live Security. F-Secure's security experts have participated in more European cyber crime scene investigations than any other company in the market, and its products are sold all over the world by over 200 broadband and mobile operators and thousands of resellers.
Company size
IT / Cyber security
Our team
RDC Team Leader
Passionate about IT security. For about 5 years, he has dealt with the analysis of alarms generated by various security systems. In less than a year, he has headed the team of risk analysts at the Rapid Detection Center.
Lead Software Engineer - team Polyglots
Born to code, born to create. Leader of a polyglot team for whom none programming language has secrets. Musician, traveler, ecologist.
Lead Software Engineer
F-Secure is the greatest place I have worked so far. Nothing beats friendly but professional atmosphere, interesting daily challenges and the culture of growth as an individual and as a Team!
Our offices

Helsinki, Tammasaarenkatu 7 - 60.1614827, 24.9068597

Poznań, Rataje 164 - 52.3821236, 16.9390038

Warszawa, Al. Jerozolimskie 146D - 52.214113, 20.9543949

Company insight
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Join us in Poznań!
What's the best thing about working for F-Secure? Hear it from our experts! At F-Secure, you will be part of our Fellowship. Be who you are – bring your best self to the game and help us outsmart cybersecurity threats.
Live Security by F-Secure
In today’s world, it is even more challenging for companies to defend themselves against constantly evolving cyber threats. Our unique approach to cyber security combines the best of man and machine – the latest human insights joined together with advanced artificial intelligence. Staying one step ahead of the attackers requires a holistic approach to protection, focusing as much on the whole puzzle as its individual pieces.
Rapid Detection Center in Poznań
F-Secure Rapid Detection Center is the base of operations for all of our detection and response services. In this special unit, our cybersecurity experts work 24/7/365 hunting for threats, monitoring data and alerts from customer environments, flagging anomalies and signs of a breach. In critical cases, they contact the customer within 30 minutes even in the middle of the night. In this interview, Leszek Tasiemski, Vice President, Rapid Detection Center, introduces the operations.