SQL slammer worm
The SQL slammer worm (also known as W32.SQLExp.Worm) was a highly damaging computer worm that spread on the internet in early 2003.[1]
How it worked
History
In June 2002, Microsoft released a patch that fixed the weakness that the SQL worm attacked. However, many people did not fix the weakness. In January 2003, the worm was released. Within ten minutes of it's release, it had attacked and infected 75,000 internet servers. Bank of America was one of the largest companies affected by the worm. Many of it's ATM's would not work for consumers. The damage got worse, and on January 25, 2003 the worm cause a global internet slowdown. The worm was reported to have interfered with 911 calls and was responsible for many canceled flights.Cite error: A <ref> tag is missing the closing </ref> (see the help page).