National Cyber Security Centre Finland

Finnish Transport and Communications Agency Traficom

Alerts

Microsoft 365 accounts compromised – beware of phishing
In August, the NCSC-FI received 70 reports related to Microsoft 365 account breaches. After the summer holiday season ended, the number of cases has risen significantly, and at present, organisatio...
Alert1/2025
Severity class
Severe
Published 17.09.2025 13:35

Weekly review of the National Cyber Security Centre Finland (NCSC-FI) – 39/2025

Published 29.09.2025 22:01

This week we are highlighting the scam call blocking initiative, which won the 2025 crime prevention award and has significantly reduced the number of scam calls in Finland. We also explain what ma...

Cyber weather in August 2025

Published 25.09.2025 16:03

August marked the end of the calm summer season for cyber security. Storm clouds gathered particularly in the areas of data breaches as well as malware and vulnerabilities.

A throwback to the Connect4Cyber event – International cybersecurity actors met in Helsinki

Published 23.09.2025 12:51

The Connect4Cyber – Brokerage and Info Day, held at the end of August, brought together a wide range of cybersecurity professionals from Finland and across Europe. The event, hosted at Business Fin...

Weekly review of the National Cyber Security Centre Finland (NCSC-FI) - 38/2025

Published 22.09.2025 13:40

This week, we report on the widespread impact of M365 account breaches observed in September and share guidance on how to protect against them. We also cover a large-scale data breach that occurred...