Slammer virus
The SQL slammer worm is a computer virus (technically, a computer worm) that caused a denial of service on some Internet hosts and dramatically slowed down general Internet traffic, starting at 05:30 UTC on January 25, 2003. It spread rapidly, infecting most of its 75,000 victims within 10 minutes. Although titled "SQL slammer worm", the program did not use the SQL language; it exploited two buffer overflow bugs in Microsoft's flagship SQL Server database product. Other names include W32.SQLExp.Worm, DDOS.SQLP1434.A, the Sapphire Worm, SQL_HEL, and W32/SQLSlammer. Computer Virus The virus is a piece of program code that, like a biological virus, makes copies of itself and spreads by attaching itself to a host, often damaging the host in the process. Computer Worm A computer worm is a self-replicating computer program, similar to a computer virus. It is self-contained and does not need to be part of another program to propagate itself. According to NSF DARPA, S...