Which of the following description is incorrect against server loophole security threats ?

worms using application software loophole to spread wantonly, consume network bandwidth and destroy important data.

hackers, malicious employee use loophole to attack or invade enterprise servers, business secrets were tampered, damaged and theft .

As long as the system software update in time for system loophole problems can be effectively solved.

The Internet has made application software loophole to spread rapidly, making loophole easier to become targets of attack.