Weekly review of the National Cyber Security Centre Finland (NCSC-FI) - 46/2025

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, which is being used to distribute malware. On 18 November, we will host a webinar on software development management. Participation is free of charge, and you can register through the link provided in this review. In addition, we have published the October Cyber Weather report, and this week’s malware review takes a closer look at the operation of the M0yv malware.