Asokan is a U.K.-based senior correspondent for Information Security Media Group's global news desk. She previously worked with IDG and other publications, reporting on developments in technology, minority rights and education.
Security researchers have uncovered a flaw dubbed TsuNAME in DNS resolver software that attackers could used to carry out distributed denial-of-service attacks against authoritative DNS servers. Google and Cisco have resolved the issue in their DNS servers.
Researchers with NetScout are warning that attackers are abusing certain versions of the Plex media server app to strengthen and amplify DDoS attacks. The FBI has also warned about increases in DDoS attacks that use these types of amplification techniques.
Researchers at the security firm Netlab have identified a previously undocumented botnet dubbed "Matryosh" that is targeting vulnerable Android devices to help build its network so it can conduct distributed denial-of-service attacks.
Threat actors behind a distributed denial-of-service campaign targeted the same set of victims again after the organizations refused to pay the initial ransom demand, a new report by security firm Radware finds.
The FBI is warning of an increase in distributed denial-of-service attacks using amplification techniques that are targeting U.S. organizations. The bureau notes that it's seen an uptick in attack attempts since February.
Over the weekend, an extensive disruption to Iran's telecommunication networks knocked out about 25 percent of the country's internet service for several hours, according to NetBlocks, which tracks internet freedom across the globe.
Earlier this year, intruders probed weaknesses in the network firewalls of a U.S. power utility to attempt a distributed denial-of-service attack, but there was no disruption in electricity service, according a recently released report. The incident illustrates potential weaknesses in the power grid.