in what way is denial of service not a security issue? It may not be omg-sql-injection, or myspace worm-worthy.. but it's availability is the "a" in the C-I-A s

in what way is denial of service not a security issue? It may not be omg-sql-injection, or myspace worm-worthy.. but it's availability is the "a" in the C-I-A security triad.