Final answer:
A SQL Slammer Worm is a self-replicating malware targeting SQL servers, which caused a major internet attack in 2003.
Step-by-step explanation:
A SQL Slammer Worm is a self-replicating malware targeting SQL servers.
This worm was responsible for a major internet attack in 2003, which caused widespread disruption and affected millions of computers in a short amount of time. It exploited a vulnerability in Microsoft SQL Server, spreading rapidly by sending a large number of UDP packets to random IP addresses.
The SQL Slammer Worm is an example of how vulnerabilities in software systems can be exploited to launch cyber attacks and highlights the importance of regularly updating and patching software to prevent such incidents.