unauthorized modification

noun phrase

UK /ʌnˈɔːθəraɪzd ˌmɒdɪfɪˈkeɪʃən/

US /ʌnˈɔːθəraɪzd ˌmɑːdɪfɪˈkeɪʃən/

A change made to something without permission.

The school blocked unauthorized modification of the computer files.

SYNONYMS

unapproved change illegal alteration unpermitted edit tampering unauthorized change

RELATED WORDS

alteration tampering permission security edit

OTHER MEANINGS

2. Changing software or data without the owner's consent.

The hacker was caught making an unauthorized modification to the game.

3. Editing a document or record without official approval.

An unauthorized modification to the report caused confusion.

4. Altering a device or system in a way that breaks the rules.

The warranty was void because of an unauthorized modification to the phone.