Doesn't seem hypothetical or unlikely at all: http://www.zdnet.com/article/symantec-data-stealing-hackers-use-ddos-to-distract-from-attacks/ http://www.zdnet.c

Doesn't seem hypothetical or unlikely at all: http://www.zdnet.com/article/symantec-data-stealing-hackers-use-ddos-to-distract-from-attacks/ http://www.zdnet.com/article/symantec-data-stealing-hackers-... IIRC this tactic was used during the massive Target data breach in 2014.