Most DDoS attacks have now become powerful enough to knock most businesses offline, which makes them a serious threat. Hacking exploits , Lizard Squad has launched a successful DDoS ( distributed denial - of - service ) attack on banks , telcos and government agencies in Brazil and three large US gaming companies using its LizardStresser botnet . IoT devices have become the most frequently targeted , allowing users to launch a DDoS attack on all connected devices once compromised . As IoT devices , popular in Brazil , often do n't have built - in security features , users are typically unaware that their device has been hacked , leading to them continuously making connections through more and more vulnerable devices .
Hacking exploits , Lizard Squad has launched a successful DDoS ( distributed denial - of - service ) attack on banks , telcos and government agencies in Brazil and three large US gaming companies using its LizardStresser botnet . IoT devices have become the most frequently targeted , allowing users to launch a DDoS attack on all connected devices once compromised . As IoT devices , popular in Brazil , often do n't have built - in security features , users are typically unaware that their device has been hacked , leading to them continuously making connections through more and more vulnerable devices .