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Weekly review

The National Cyber Security Centre Finland (NCSC-FI) publishes once a week a review of cyber issues and phenomena encountered during the week and other topical matters at the NCSC-FI. The reviews highlight especially those cyber security themes that are relevant in Finland. The weekly reviews are intended for anyone interested in the matter, and their purpose is to raise awareness about cyber phenomena. 

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Weekly review

The National Cyber Security Centre Finland’s weekly review – 38/2023

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This week we talk about hactivism and denial-of-service attacks as information influence activities. We also provide information about the upcoming results webinar of the Ketjutonttu campaign.

The National Cyber Security Centre Finland’s weekly review – 37/2023

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This week we cover an active scam call campaign, of which we have received numerous reports from both individual citizens and organisations. We also take a look at ransomware and the HYÖKY service ...

The National Cyber Security Centre Finland’s weekly review – 36/2023

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This week, Traficom was targeted in a denial-of-service attack campaign, which caused a short interruption in service. We also talk about scam messages impersonating the Finnish postal service Posti.

The National Cyber Security Centre Finland’s weekly review – 35/2023

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This week we remind our readers about the importance of responding quickly to information security incidents. For example, if you fall victim to a phishing attack, you may still be able to avoid su...

The National Cyber Security Centre Finland’s weekly review – 34/2023

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Email users are being plagued by active phishing. Stay vigilant! Your alarm bells should start ringing if a secure email link opens a page that asks for your username and password.

The National Cyber Security Centre Finland’s weekly review – 33/2023

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This summer has seen the public disclosure of several critical software vulnerabilities. Has your organisation made sure to keep systems updated and patched even during the summer holidays?

The National Cyber Security Centre Finland’s weekly review – 32/2023

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Recently, criminals have started to register scam websites in Finland’s national .fi domain as well. The aim of these websites has been to exploit the good reputation of the .fi domain to phish for...

The National Cyber Security Centre Finland’s weekly review – 31/2023

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In recent weeks, there have been scam messages going around impersonating the Suomi.fi service and Osuuspankki, among other parties. We also urge our readers to watch out for phishing email message...

The National Cyber Security Centre Finland’s weekly review – 30/2023

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This week we talk about the National Cyber Security Centre Finland’s assessment of current software vulnerabilities and the epidemic of social media account hijacking.

The National Cyber Security Centre Finland’s weekly review – 29/2023

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This week we talk about malware spread through USB memories and June’s Cyber Weather report and share tips for the secure use of mobile phones and ensuring information security during the holiday s...

The National Cyber Security Centre Finland’s weekly review – 28/2023

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This week we write about the cyber security situation during the NATO summit week and how malware infections are increasingly common.

The National Cyber Security Centre Finland’s weekly review – 27/2023

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This week we write about a fresh phishing phenomenon where QR codes are used for phishing. Also read about how criminals use electronic SIM cards for their scams.

The National Cyber Security Centre Finland’s weekly review – 26/2023

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CEO fraud attempts are especially prevalent during the summer. The numbers of Microsoft 365 account compromises have also been high in recent months. In response, we have prepared new instructions ...

The National Cyber Security Centre Finland’s weekly review – 25/2023

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Phishing and scam messages are constantly evolving. According to our estimate, approximately one hundred Finnish organisations have had their email accounts compromised in the last few months as a ...

The National Cyber Security Centre Finland’s weekly review – 24/2023

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This week we talk about ransomware development trends and remind our readers not to forget about cyber security during the summer holiday season. Ransomware attacks are being increasingly targeted ...

The National Cyber Security Centre Finland’s weekly review – 23/2023

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In this second weekly review for June, we have some unfortunate news to share about phone number spoofing, compromised online games and breached firewalls. Luckily there are good things happening a...

The National Cyber Security Centre Finland’s weekly review – 22/2023

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This week we talk about phishing attacks that involve scammers impersonating banks and malware spread via email. We also provide a refresher on what to take into account when a child receives their...

The National Cyber Security Centre Finland’s weekly review – 21/2023

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This week we talk about a widespread Facebook scam in which accounts are hijacked on the pretext of a made-up monetary prize. Our other topics are new top-level domains and the NCSC-FI’s experts at...

The National Cyber Security Centre Finland’s weekly review – 20/2023

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This week we talk about the current denial-of-service attack situation and provide advice on how industrial organisations can protect themselves against cyber security incidents. We also take a loo...

The National Cyber Security Centre Finland’s weekly review – 19/2023

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This week we talk about secure email phishing messages and the new requirements for strong electronic identification. Be sure to also check out the Cyber Weather report for April and the updates re...