/ Security News /

Israeli cybersecurity researchers have disclosed details about a new flaw impacting DNS protocol that can be exploited to launch amplified, large-scale distributed denial-of-service (DDoS) attacks to takedown targeted websites. Called NXNSAttack, the flaw hinges on the DNS delegation mechanism to force DNS resolvers to generate more DNS queries to authoritative servers of attacker’s choice, potentially …

/ Security News /

Multiple zero-day vulnerabilities in digital video recorders (DVRs) for surveillance systems manufactured by Taiwan-based LILIN have been exploited by botnet operators to infect and co-opt vulnerable devices into a family of denial-of-service bots. The findings come from Chinese security firm Qihoo 360‘s Netlab team, who say different attack groups have been using LILIN DVR zero-day …

/ Security News /

A 23-year-old hacker from Utah who launched a series of DDoS attacks against multiple online services, websites, and online gaming companies between December 2013 and January 2014 has been sentenced to 27 months in prison. Austin Thompson, a.k.a. “DerpTroll,” pledged guilty back in November 2018 after he admitted to being a part of DerpTrolling, a …

/ Security News /

Telegram, one of the most popular encrypted messaging app, briefly went offline yesterday for hundreds of thousands of users worldwide after a powerful distributed denial-of-service (DDoS) attack hit its servers. Telegram founder Pavel Durov later revealed that the attack was mainly coming from the IP addresses located in China, suggesting the Chinese government could be …

/ Security News /

Ukrainian Police have this week busted out two separate groups of hackers involved in carrying out DDoS attacks against news agencies and stealing money from Ukrainian citizens, respectively. According to the authorities, the four suspected hackers they arrested last week, all aged from 26 to 30 years, stole more than 5 million Hryvnia (around 178,380 …

/ Security News /

The Bitcoin Core development team has released an important update to patch a major DDoS vulnerability in its underlying software that could have been fatal to the Bitcoin Network, which is usually known as the most hack-proof and secure blockchain. The DDoS vulnerability, identified as CVE-2018-17144, has been found in the Bitcoin Core wallet software, …

/ Security News /

Memcached reflections that recently fueled two most largest amplification DDoS attacks in the history have also helped other cybercriminals launch nearly 15,000 cyber attacks against 7,131 unique targets in last ten days, a new report revealed. Chinese Qihoo 360’s Netlab, whose global DDoS monitoring service ‘DDosMon‘ initially spotted the Memcached-based DDoS attacks, has published a …

/ Security News /

Security researchers have discovered a “kill switch” that could help companies protect their websites under massive DDoS attack launched using vulnerable Memcached servers. Massive Memcached reflection DDoS attacks with an unprecedented amplification factor of 50,000 recently resulted in some of the largest DDoS attacks in history. To make matter even worse, someone released proof-of-concept (PoC) …

/ Security News /

Two separate proofs-of-concept (PoC) exploit code for Memcached amplification attack have been released online that could allow even script-kiddies to launch massive DDoS attacks using UDP reflections easily. The first DDoS tool is written in C programming language and works with a pre-compiled list of vulnerable Memcached servers. Bonus—its description already includes a list of …