Are We Under Cyber Attack ???

First United Airlines has a "network connectivity issue":

http://www.latimes.com/business/la-fi-united-flights-grounded-20150708-story.html

Then the New York Stock Exchange halts trading after a "technical issue":

http://www.latimes.com/business/la-fi-new-york-stock-exchange-halts-trading-20150708-story.html

Has anyone considered the possibility these were due to hacks or other forms of attack?

Would they even tell us if it were so?

Update: Here's one way to keep track of cyber attacks:

http://www.zerohedge.com/news/2015-07-08/what-first-world-cyber-war-looks-global-real-time-cyber-attack-map

Second Update: Here's another perspective on the problem:

http://chicago.cbslocal.com/2015/07/08/united-nyse-outages-stoke-fears-about-vulnerability-of-computer-systems/

What dumbasses put all our records and financial data online where they would be subject to attack from anywhere in the world? And these are the geniuses we're supposed to worship?