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How dangerous is ransomware really?

Rastislav Janota - Director, National Security Authority SK-CERT NBÚ ·

A brief look at ransomware through the lens of national security, the economy, the damage caused, or politics and international cooperation.

Ransomware has evolved from an ever-changing technical ploy into an organized business with a wide array of targets. Today it’s not just about encrypting files, but also about data theft, extortion, and even covering for espionage. The key to reducing losses is not to pay, but to be prepared and know how to recover.

Ransomware is no longer just about encryption

The traditional scenario—encrypted files and a ransom demand—is no longer dominant. Attackers today often first quietly infiltrate the network, steal data, and only then consider whether to encrypt at all. They then demand ransom not only for decryption, but also for silence about the stolen information or for its ‘non-publication’. In parallel, ransomware is used as a cover for espionage: the target is the content of the data, not the payment itself.

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Rastislav Janota

National Security Authority
Rastislav Janota has more than 20 years of experience in the IT and telecommunications sector. During his professional career, he held several expert and top managerial positions in the field of ICT and cyber security both in the private sector and in public administration, both in Slovakia and in various countries abroad. Since September 1, …
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