The recent happenings of hack are becoming rampant that exchanges are no longer safe. If the exchanges can get hacked this means you and me stand no chance at all so in view of this if you can do get cold wallet/ Web wallet to keep ur funds safe, never leave ur long term bags on any exchange.
Do not visit random links and also stay away from airdrops requiring your private keys or Passphrase.
Do not store your private key or passphrase online.
It's called a private key or passphrase because only you should have it and not even the developers of the app has access to it and that is why if you lose your keys you have equally lost your walllet.
Stay positive and waiting for the bull run.
Stay safe everyone!
It is this basic thing that all investors must be aware of, especially for beginners, because the security of your assets is a priority in cryptocurrency but based on my experience storing coins in Large exchanges is quite safe because they hold many coins of investors. So you don't have to worry if what you choose is a big exchange.