Every day, Benzinga takes a glance again at a notable market-related second that occurred on this date.
What Occurred? On this present day in 2002, cyber attackers tried unsuccessfully to disrupt international web companies.
The place The Market Was: The Dow completed the day at 8,538.24. The S&P 500 completed at 899.72.
What Else Was Going On In The World? In 2002, US Airways, the seventh largest U.S. airline, filed for chapter. Salt Lake Metropolis hosted the XIX Winter Olympics. A gallon of gasoline value $1.61.
Huge Web Assault: On Oct. 21, 2002, cyber attackers tried to carry down the web by launching assaults towards its central handle books by way of a distributed denial-of-service assault (DDos). The assault quickly disabled seven of the web’s 13 root servers, however was principally unsuccessful in disrupting web service around the globe because of the design of the web itself.
The assault, which lasted about one hour, focused all 13 DNS root title servers. Utilizing a botnet, attackers despatched massive numbers of ICMP ping packets to every server. Packet filters helped defend the servers from incoming ICMP ping packets, limiting the influence of the assault and minimizing the influence on the typical web consumer.
Information on the 13 key servers is replicated tens of hundreds of occasions around the globe by web service suppliers and different computer systems. Solely a small fraction of complete web requests on the time even made it to the 13 predominant methods. This method of caching and replication means it might possible take a sustained outage of all main root servers for no less than a number of days earlier than most web customers seen a serious downside.
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