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.
Forescout Research Labs and the Israeli security firm JSOF have found nine Domain Name System vulnerabilities affecting four TCP/IP stacks that, if exploited, could lead to remote code execution or denial-of-service attacks - potentially on millions of devices.
DDoS, one of the oldest types of cyberthreats, continues to pose major security risks for virtually every type of enterprise — small and large alike. And while some organizations might believe they’re a low-risk target, the growing reliance on internet connectivity to power business-critical applications leaves...
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.
Researchers at Check Point Research are tracking a new botnet dubbed "FreakOut" that's targeting vulnerabilities in Linux systems. The malware is creating a malicious network that has the potential to launch DDoS attacks.
Citrix is urging customers to implement a newly provided enhancement to its ADC and Gateway devices that is designed to block attackers from abusing the Datagram Transport Layer Security, or DTLS, protocol to amplify distributed denial-of-service attacks.
An evolving workplace, greater reliance on IoT and the cloud, and already we have seen the new face of supply chain attacks. This is the backdrop for 2021, and Imperva's Brian Anderson offers insights into the cyber-attack outlook.
CISA is warning that local K-12 school districts are increasingly under assault by cyberthreats targeting vulnerable networks that are disrupting physical and virtual education throughout the U.S. The top security problems include ransomware, Trojans and other malware as well as DDoS attacks.
One of those responsible for the massive Mirai-based DDoS attack launched in October 2016 that targeted domain name resolver Dyn and knocked Amazon, PayPal, Spotify, Twitter and others offline has pleaded guilty to federal charges.
Distributed denial-of-service attacks have not garnered much attention this year. But analysts say such attacks could surge, and they have the potential to be just as damaging as ransomware and other types of cyberthreats.
The operators behind a botnet dubbed "Gitpaste-12" are abusing legitimate services such as GitHub and Pastebin to help hide the malware's malicious infrastructure, according to Juniper Threat Labs. This botnet mainly targets Linux apps and IoT devices and can mine cryptocurrency.
Botnets are bred and nurtured by hackers to provide a powerful, dark cloud computing network used to conduct cybercrime attacks, like the recent DDoS attack against popular Domain Name Service (DNS) provider Dyn. This attack took down several flagship websites and significant parts of the internet for hours. The good...
Ransomware attacks remain the top cyber-enabled threat seen by law enforcement. But phishing, business email compromises and other types of fraud - many now using a COVID-19 theme - also loom large, Europol warns in its latest Internet Organized Crime Threat Assessment.