President-elect Donald Trump and Kellyanne Conway try to catch hackers in the act

On Monday morning, Donald Trump formally addressed the CIA’s allegations that Russian hackers tried to interfere in the election on — where else? — Twitter and, as usual, got some basic facts wrong.

First, here’s what the president-elect said that many are taking umbrage with.

Unless you catch "hackers" in the act, it is very hard to determine who was doing the hacking. Why wasn’t this brought up before election?

— Donald J. Trump (@realDonaldTrump) December 12, 2016

Well, first of all, the threat of hacking interfering in the election was brought up before the election. Many times. Including by Trump himself.

But, more importantly, Trump is very wrong about how hacking actually works so Mashable turned to cyber security experts for their responses to Trump in terms he’ll understand: tweets.

Here’s what they told us — and Trump — all in tweet-sized bites of 140 characters or less.

Donald, you and Hillary can get trained by the world’s most famous hacker and find out how hackers really get caught. Go here: https://www.knowbe4.com/products/kevin-mitnick-security-awareness-training/

ValiMail CEO Alexander García-Tobar

@realDonaldTrump Majority of hacks start w/ phish & you can catch hackers if you use email auth. Which you didn’t https://t.co/5i8Jvm4NYD

— ValiMail (@ValiMail) December 12, 2016

Justin Fier, Director of Cyber Intelligence and Analysis at Darktrace

"With the right technology, organizations can keep a close eye on their data and spot unusual digital behavior as it unfolds."

Michael Sutton, CISO at Zscaler

Daniel Clayton, Director of Customer Security Operations at Rackspace

"Hacks are like criminal cases. Clues are left, ID’d by a trained eye and packaged together with other evidence to create a bigger picture."

"Security investigators can pick up on subtle bread crumbs left by hackers, even their cover up. Piece together enough clues & eliminate doubt."