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F-Secure Oyj
F-Secure sells cyber security software, managed detection and response services, and consulting to businesses and consumers around the world.
F-Secure is a Finnish cyber security company. It makes software and runs services that keep people and companies safe from viruses, hackers, ransomware, and other online threats. You might know it from its consumer antivirus products, but these days the bigger and more important part of the business is protecting companies rather than laptops in living rooms.
For businesses, F-Secure sells managed detection and response — a service where its own security experts watch a customer's networks and devices around the clock and jump on attacks when they happen. Many companies don't have enough skilled security staff of their own, so they pay F-Secure to be that team. It also sells consulting, helping organizations assess their risks and recover from breaches, plus endpoint protection software that guards individual devices. Consumers pay for subscription antivirus and privacy tools, often bundled through telecom operators and banks that resell them. The company has been through a big reshaping. It sold its flagship consumer security business to WithSecure-linked investors — actually, to be precise, F-Secure split in 2022: the corporate security business became WithSecure, while the consumer business stayed under the F-Secure name. Since then F-Secure has focused on consumer subscriptions and partner distribution, leaning on telecom operators and banks to reach customers rather than spending heavily on its own marketing.
The appeal for customers is straightforward: security is hard, staff are scarce, and an attack can be catastrophic, so handing the problem to specialists makes sense. The risk is that cyber security is a crowded, fast-moving market full of bigger rivals, and F-Secure must keep its technology sharp and its partner relationships strong. It earns recurring subscription and service revenue, which is steadier than one-off software sales — a real strength when you're competing against giants.
Saved answer · last researched 14 Nov 2026