Massive memcached-based reflection DDoS attacks with an unprecedented amplification factor have been ongoing for the last few days, by taking advantage of memcached servers exposed to the Internet. What is memcached? Memcached is a distributed memory caching system and is used to speed up dynamic database-driven websites and Internet-facing services by caching data and objects in RAM. It is often deployed in data center, cloud, and IaaS networks. According to both Rapid7 and SANS ISC, … More
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