Later in the book, Dumbledore has Snape teach Harry Occlumency, the protection of the mind from outside intrusion or influence.

This outside intrusion did not happen in 1984, the last time the Summer Games were held in the nation of Coca-Cola.

But you can clean the slate and make a new life without outside intrusion.

While the system is automated and typically protected from outside intrusion, industry leaders have expressed concern over such data mining.

The elements of nature, death, religion, are formed together to create this connection between the pavilion and outside intrusions.

As the light died, I put up double wards, which took most of my limited strength-wards against Tamra, and wards against any other outside intrusion.

Older people have a higher tendency to make outside intrusions during a memory test.

Although many workplaces have fire walls to protect their computer networks from outside intrusion, some partly disabled the barriers to allow the use of Napster.

But why would a universe need defense against outside intrusion?

There was no trace of outside intrusion or any invading personality.