An attacker leverages the security functionality of the system aimed at
						thwarting potential attacks to launch a denial of service attack against a
						legitimate system user. Many systems, for instance, implement a password
						throttling mechanism that locks an account after a certain number of
						incorrect log in attempts. An attacker can leverage this throttling
						mechanism to lock a legitimate user out of their own account. The weakness
						that is being leveraged by an attacker is the very security feature that has
						been put in place to counteract attacks.