Using a regex search we know that the only tow possible keywords are Einstein and Distance

Make a 6×3 grid

It is now clear that Distance is the keyword. Reorder columns as 4, 1, 2, 5, 6, 3

8qza6distanceq8u3d

We can figure out that the keyword is simple. To get there we used Rot+1. Apply it to the prefix and suffix

6ctg9simpley8p6r

Make groups of 8
\\///\\\ \//\\\\/ \//\//\\ \///\/\/ \\//\\// \///\\\\ \\//\/\\ \//\///\ \\//\//\ \//\\\\/

Convert \ to 0 and / to 1

00111000 01100001 01101100 01110101 00110011 01110000 00110100 01101110 00110110 01100001

Convert binary to Ascii

8alu3p4n6a

We know that L is an invalid character in fixes. Let’s atbash letters and numbers

2zof7k6m4z

The code was made of /\ which is glyph for attack

2zof7attackk6m4z