Researchers from Corero Network Security have discovered a practical ‘kill switch’ that will be able to mitigate the Memcached vulnerability, recently used in causing the record breaking DDoS attacks. They have disclosed the existence of this switch to national security agencies. Corero said that the potential of Memcached vulnerability is more extensive than reported originally, and the attacked servers can be used by hackers to steal or modify the data. This data can be database records, emails, API data, Hadoop information, website customer information, etc. Memcached, the open source memory caching system decreases data access time by storing it in RAM. Since access does not require authentication, it was originally designed to be inaccessible from the internet. The exploit allows attackers to generate fake requests and magnify the attacks creating traffic flood. Currently more than 95,000 servers answer on UDP port 11211, which means all of them are vulnerable to the DDoS…
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