A regex search using ^[4tyaatp7w78dza]{4}$ reveals that the only valid keyword is data

Make a 2×7 grid

4	t
y	a
a	t
p	7
w	7
8	d
z	a

Reverse the last 3 rows

4	t
y	a
a	t
p	7
7	w
d	8
a	z

Read going down from the upper left 4

4yap7datat7w8z

Atbash letters and numbers

2jwk8pathx8z8t

Rot 13 give a range between a and j

fdibhahhfahchdhbhbidhhfbigfcih

Convert letters to numbers using a=0

538170775072737171837751865287

Make pairs

53 81 70 77 50 72 73 71 71 83 77 51 86 52 87

Convert decimal to Ascii

5QFM2HIGGSM3V4W