Traditional ransomware attacks may have taken over the news, but Proofpoint researchers say the malicious actors who presents themselves as the North Korean-backed Lazarus advanced persistent threat group have revamped their distributed denial-of-service ransom extortion strategy and rebranded.
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.
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.
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.
Citrix is warning its customers that attackers are taking advantage of the company's ADC products to conduct and amplify DDoS attacks, according to a notification published by the firm. A permanent fix to address this security issue won't be available until January.
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.
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.
A report from Google's Threat Analysis Group offers fresh details about the hacking group that targeted Democratic presidential candidate Joe Biden's campaign with phishing emails earlier this year. The phishing effort was linked to a little-known hacking group called APT31, which has connections to China.
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.
Lucifer, a botnet that has been infecting Windows devices with cryptominers and using compromised systems for distributed denial-of-service attacks, now has the ability to compromise Linux-based systems as well, according to Netscout's ATLAS Security Engineering & Response Team.
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Hackers have reportedly demanded a ransom from Bank of Montreal and Simplii Financial in exchange for not dumping 90,000 customers' account details on a fraud forum. The FBI says online extortion and ransomware remain the top two types of cybercrime it's seeing today.
The browser is the window to the web. But what's going in the background during that browsing is opaque to most users. A new experiment shows how the computing power of tens of thousands of computers could be unknowingly harnessed to crack passwords, harvest cryptocurrencies or conduct DDoS attacks.
Bitcoin: Is it the future of cash, a legitimate speculative instrument or a Ponzi scheme in easy-to-consume digital form? Despite the outstanding questions, investors and cybercriminals alike continue to amass cryptocurrencies. Both groups face perils.
Defending against tomorrow's mobile attacks is a moving target; but new technologies and strategies, including behavioral biometrics and machine-learning-based analytics, are allowing financial institutions to reduce their fraud losses while enhancing their customer experience.
Based on the latest results of ISMG's...