Firstly, I highly doubt hackers dress the way the chap in the image is but hey, it makes an impact😜
On a more serious note preventing being hacked is better than trying to fix the problem after the fact. Many have called themselves hack proof, some don't even use anti-virus such as Bit-Defender, which is a really good option, and I use it myself.
Getting the basics in makes sense Right?
Nothing is totally 100% but lets' start there. . .
Let us go from the most important and work our way down to some simple things that can be easily gotten in pretty much right away.