De or het likejacking?

The correct Dutch article is:

de likejacking

Rule Words ending in -ing: almost always de. See the rule
Meaning (Dutch) een vorm van cybercriminaliteit waarbij internetgebruikers worden misleid om onbewust een 'like' (vind-ik-leuk) te geven aan een bepaalde webpagina of bericht op sociale media, zoals Facebook.

How to use likejacking

the likejackingde likejacking
this likejackingdeze likejacking
that likejackingdie likejacking
our likejackingonze likejacking
your likejackingjouw likejacking
every likejackingelke likejacking
which likejacking?welke likejacking?
a big likejacking / the big likejackingeen grote likejacking, de grote likejacking

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).