A script$-$kiddie decides he wants to take part in a cyber$-$attack so he downloads the Low Earth Ion Cannon $($LOIC$)$ tool from the Internet and installs it on his computer. The script$-$kiddie starts the application and uses it to flood a server with UDP packets. What kind of attack is the script$-$kiddie executing and which of the C$-$I$-$A triad properties is being targeted?