Assuming that you are talking about a Government, it's to 'overthrow' a Government.
nullify
nullify
Capsize.
The word is override.
"hackerd" does not appear to be a recognized term in the context of hacking or cybersecurity. It may be a typographical error or a misspelling. If you provide more context or clarification, I can help you better understand the term.
Verb: to make or become unlikely to give way or overturn
This is a prospecting term. It means to illegally gain possession of someone else's mining claim, usually by force or simple occupation.
The term "hacker" means someone who illegally breaks into computer systems and uses their private information for illegal purposes i.e can steal bank details, identity, can hack into large companies private info and sell it to other companies etc
"Stabilize" means to make or become unlikely to give way or overturn.
Two options are overturn and repeal.
"Illegal" means against the law. So yes, downloading illegally is against the law.
I think the term is simply Pirates.