DDoS Attacks. Distributed Denial of Service Attack (DDoS) Definition. A distributed denial of service (DDoS) attack is a malicious attempt to make an online service unavailable to users, usually by temporarily interrupting or suspending the services of its hosting server.
The Diaphragm. The diaphragm, viewed from above at left with the front of the body on top, is a sheet of muscle and tendon the divides that torso in two. Above is the thorax with the lungs and heart, below is the abdomen, featuring the intestines, stomach, liver, kidneys...
In the body, the diaphragm is a curved sheet of smooth muscle which  separates the thorax from the abdomen. When it contracts, the  diaphragm flattens, which INCREASES the v â¦ olume of the THORAX, which  then EXPANDS the lungs.