Partisan hacks amuse me so. It's like all reality goes out the window.
You folks want to get /serious/ about cyber security, then what we need to do is revamp our internet security training and procedures;
Never trust a link in an email - instead go to the necessary site directly. (The /only/ real exception for this is in the cases of email validation links when you've just signed up for some website - something that our government employees shouldn't be doing.)
Ensure that you're using the most secure software - for example make sure all updates are done immediately (90% of software updates [of programs that get hacked] are closing loopholes that hackers have figured out).
Ensure every computer is running anti-virus and that it is updated /daily/ no excuses, no pushing off the update for this or that, if an update comes immediately install it.
Ensure that all employees dealing with sensitive data know the differences between a "strong" password and a "weak" one.
Rigidly enforce a rule that /all/ government work - be that emails, documents, images, etc. - are handled on a separate system (and if you want my opinion, that system should be a non-mobile pc that stays in the office at all times. None of this colluding with cell phones and personal business crap. Yes it's a bit of an inconvenience - deal with it, it's not a big enough inconvenience to risk national security/sensitive information over.)
Any and all data syncing (and by that I mean only the shit that's absolutely necessary) should be done through a specific entity/agency/program that checks the data on the non-secure device (aka the cell phone or laptop seeking to sync with the non-mobile "secure" system.
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The shitty part is that even if we do all of this we're still probably going to get hacked once in a while. It's the dirty reality of software design, one careless line of code out of thousands can open up a security gap that hackers can take advantage of. And that's not even getting into the failure of the government workers themselves to actually follow the rules given to them (aka Hillary's server and Podesta clicking links,) nor does it address the lock down of information leaks that intentionally bypass information security protocols.
The truth is there is no 100% secure system, it will never exist if there are humans involved in it. The best we can hope for is to cut down on hacking - which actually means a complete overhaul and 'homogenization' of all software being used by government employees. To example, no more using notepad instead of Word because that's what you're comfortable with. No using Firefox instead of Internet Explorer because you prefer it. No more using build in web browser PDF viewers instead of Adobe PDF Viewer. (*Note these are just randomly recalled programs, the gov would have to do some kind of study to find out which programs are most secure and staying on top of hacker vulnerabilities and such.)