Worldwide list of DDoS attacks – May 2021

Worldwide list of DDoS attacks took place during the month of May 2021


Date of attack Country Industry Downtime  Company Affected Size of Company Attack Details Press Link 
May 19 New Zealand Healthcare 2 Weeks Waikato District Health Board NA Twice the usual time to treat patients, following a crippling DDoS attack that halted operations. Click here
May 18 Ireland ISP NA Nova Broadband Small Network went down causing connectivity issues. However, no compromise of systems or data. Click here
May 18  France Insurance Few Hours AXA Enterprise AXA’s websites in Thailand, Malaysia, Hong Kong, and the Philippines went down. Click here
May 14   Ireland Government 1 Day Health Service Executive (HSE) NA DDoS attacks forerunner for a larger ransomware attack. Click here
May 5 Australia Telco Several Days Schepisi Communications Enterprise A Telstra platinum partner, knocked offline by a ransomware group threatening data leakage unless demands met. Click here
May 4 Belgium Telco 1 Day Belnet Enterprise Traffic from 29 countries flooded networks, affecting 200 organizations, raising connectivity issues for customers. Click here


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