Story of the year 2019: Cities under ransomware siege

Story of the year 2019: Cities under ransomware siege

Ransomware has been targeting the private sector for years now.


Overall awareness of the need for security measures is growing, and cybercriminals are increasing the precision of their targeting to locate victims with security breaches in their defense systems. Looking back at the past three years, the share of users targeted with ransomware in the overall number of malware detections has risen from 2.8% to 3.5%. While this might seem like a modest amount, ransomware is capable of causing extensive damage in the affected systems and networks, which means this threat should never be overlooked. The proportion of ransomware targets among all users attacked with malware has been fluctuating, yet appears to be decreasing, with the figure for H1 2019 showing 2.94% compared to 3.53% two years ago.



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Share of users attacked with ransomware from all users attacked with malware


The overall number of users attacked annually has changed. Kaspersky experts usually observe from around 900,000 to almost 1.2 million users targeted by ransomware every six months.



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Number of users attacked with ransomware, H1 2017-H1 2019


Despite there being ..

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