http://www.nytimes.com/2016/07/07/u...ail-was-probably-hacked-experts-say.html?_r=0
When the F.B.I. director, James B. Comey, said on Tuesday that his investigators had no “direct evidence” that Hillary Clinton’s email account had been “successfully hacked,” both private experts and federal investigators immediately understood his meaning: It very likely had been breached, but the intruders were far too skilled to leave evidence of their work.
Mr. Comey described, in fairly blistering terms, a set of email practices that left Mrs. Clinton’s systems wide open to Russian and Chinese hackers, and an array of others. She had no full-time cybersecurity professional monitoring her system. She took her BlackBerry everywhere she went, “sending and receiving work-related emails in the territory of sophisticated adversaries.” Her use of “a personal email domain was both known by a large number of people and readily apparent.”
...
“Reading between the lines and following Comey’s logic, it does sound as if the F.B.I. believes a compromise of Clinton’s email is more likely than not,” said Adam Segal, the author of “Hacked World Order,” who studies cyberissues at the Council on Foreign Relations. “Sophisticated attackers would have known of the existence of the account, would have targeted it and would not have been seen.”
Mr. Comey couched his concern on Tuesday by repeating the intelligence community’s favorite phrase — “we assess” — four times, but ultimately reached no hard-and-fast conclusion. “We assess it is possible that hostile actors gained access to Secretary Clinton’s personal email account,” he said.
...Mr. Comey painted a different picture.
“Hostile actors gained access to the private commercial email accounts of people with whom Secretary Clinton was in regular contact,” he said....".