The phrase "intrusion upon" is correct and usable in written English.
You can use it when you mean to imply that something unwelcome or inappropriate has happened. For example: "They were dismayed by the unwanted intrusion upon their private property."
More active systems also attempt to prevent the intrusion upon detection in real time.
In a federal trial, Mr. Snyder's father was awarded $5 million for intrusion upon seclusion, intentional infliction of emotional distress and civil conspiracy.
The distant roar of traffic and headlights from the A303 are still an intrusion upon the peace and sanctity of Stonehenge but they don't really affect our worship there.
And so is the constitutional "right to privacy" first defined by Louis Brandeis and Samuel Warren, in a law-review essay in 1890 in which they described a violation of that right as any "intrusion upon the domestic circle".
He went on to use a form of the word on which articulable was, as they say about judicial decisions, bottomed: "Anything less would invite intrusion upon constitutionally guaranteed rights based on nothing more substantial than inarticulate hunches".
For two centuries, American courts have taken the view that the constitution is concerned with the government's initial intrusion upon privacy, and not only with the later uses to which the government puts the information it has collected.
Or should lawmakers around the world be taking these small intrusions upon our privacy more seriously?
If you think that sponsorship, medals and international recognition are bourgeois intrusions upon the fields of running or cycling really fast, then steroids are just for you.
The Administration's approach to what it calls, a little jarringly, "homeland defense" has entailed too much unnecessary secrecy, too many arbitrary detentions, and too many intrusions upon civil liberties.
Britain has the unpalatable reputation of leading the world in intrusions upon its citizens; we are the most snooped upon of all states, and a major reason is that we are practically a parliamentary tyranny – a single vote majority in the House of Commons can deprive us of rights in a moment.
Out of court, insulated by 14-year terms, multiparty endorsements and wide voter appeal, he denigrated capital punishment, mandatory sentencing laws, and public officials who criticized rulings in ways he felt were politically motivated intrusions upon the independence of the judiciary.
