To everyone who is brand new to crypto currency this is the most important post you will see. If you plan on holding long term transfer your crypto to a hard wallet. Keeping it in exchanges makes you a target to these attacks! Now if you don't plan on holding too much crypto or just want to sell short term then just keep it on the exchange. Depending on the amount you plan on buying.
Check out the video below for what an example of the Hardware Wallet looks like
Ledger Nano S is the cheapest hardware wallet so far, anyone who wants to secure their coins might consider it.