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...
The diaphragm is a dome-shaped structure of muscle and fibrous tissue that separates the thoracic cavity from the abdomen.The dome curves upwards.he superior surface of the dome forms the floor of the thoracic cavity, and the inferior surface the roof of the abdominal cavity. As a dome, the diaphragm has peripheral attachments to structures that make up the abdominal and chest walls.