NSA officials worried about the day its potent hacking tool would get loose

> Some officials even discussed whether the flaw was so dangerous they should reveal it to Microsoft, the company whose software the government was exploiting, according to former NSA employees who spoke on the condition of anonymity given the sensitivity of the issue.

> In the case of EternalBlue, the intelligence haul was “unreal,” said one former employee.

> Richard Ledgett, who retired last month as the NSA’s deputy director, said disclosing all flaws would amount to “unilateral disarmament.” He said the idea that “everything would be just fine” if the NSA disclosed all the vulnerabilities it finds is “nonsense.”

So WannaCry isn't going to cause any changes in the NSA.