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Database Security

South Korea Cyber-Attacked. Database Security. Facts. When: March 20, 2013 Three major banks Shinhan Bank NongHyup Bank Jeju Bank Two largest broadcasters Korean Broadcasting System MBC. Attack on Banks.

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Database Security

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  1. South Korea Cyber-Attacked Database Security

  2. Facts • When: March 20, 2013 • Three major banks • Shinhan Bank • NongHyup Bank • Jeju Bank • Two largest broadcasters • Korean Broadcasting System • MBC

  3. Attack on Banks • All three banks reported that their internet servers were down and all ATM services were consequently down • Operations were paralyzed due to computer virus infection and erased files. • Banks stated that they were down for approximately two hours. • They also reported that no customer data or information was lost or corrupted.

  4. Attack on Brodcasters • Both KBS and MBC reported that their computers had been frozen • KBS website was down • They were both able to maintain normal broadcasting despite this

  5. What Caused It? • Malware known as “DarkSeoul” • Identified about a year ago • Targeted to attack South Korea’s most popular anti-virus products • AhnLab and Hauri AV • “Denial of service” attack? • Flooding servers with data causing them to crash

  6. Denial Of Service Attack • An attempt to make a network resource unavailable to its users. • Main purpose to temporarily or indefinitely interrupt or suspend a service of a host connected to the internet. • Saturating target with too many requests to make traffic blocks.

  7. Who are the attackers? • Not yet Identified • The attacks were relatively unsophisticated • Required little expertise or infrastructure • Speculation: • China • North Korea

  8. Summary • Source of attacks have not yet been identified • Identification may take months and may not yield a definite answer • South Korea military has raised its cyber-security levels and has advised all South Korean government agencies and businesses to increase cyber-attack defenses

  9. References • http://www.nytimes.com/2013/03/21/world/asia/south-korea-computer-network-crashes.html?pagewanted=all&_r=0 • http://www.news.com.au/technology/n-korea-behind-s-korea-computer-crash/story-e6frfro0-1226602048092 • http://www.cnn.com/2013/03/22/world/asia/south-korea-computer-outage/index.html

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