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) - 46/2025

Published 21.11.2025 16:45

This week, we discuss how Black Friday deals also attract criminals, who create fake online shops and phishing messages themed around current special offers. We also cover the ClickFix technique, w...

Weekly review of the National Cyber Security Centre Finland (NCSC-FI) - 45/2025

Published 14.11.2025 16:09

This week, we take a look at the most common ways attackers have recently been trying to deceive ordinary citizens. Their main targets are money and information. The range of scams and phishing mes...

Weekly review of the National Cyber Security Centre Finland (NCSC-FI) - 44/2025

Published 04.11.2025 14:18

This week we cover the ongoing wave of M365 account compromises, the exploitation of invoicing services in invoice fraud, the opening of a new EU cybersecurity funding call and the opportunity to c...

Weekly review of the National Cyber Security Centre Finland (NCSC-FI) – 43/2025

Published 31.10.2025 8:33

This week, we highlight why the router is the most important protecting wall in home networks and how it prevents attacks towards home IT equipment. We also cover the data breach towards the F5 tec...