It is necessary that a record be protected against unauthorized alteration.

必须建立防护措施，以避免档案被非经授权地修改。

youdao

Cagai housing tenants unauthorized alteration of the original structure, the landlord is entitled to recover the house?

房客擅自改造拆改了房屋的原有结构，房东有权收回房子吗？

youdao

Any unauthorized alteration, forgery or falsification of the content or appearance of this report is unlawful and offenders may be prosecuted to the fullest extent of the law.

对本报告内容或外观之任何未经授权之变更、伪造、窜改皆属非法，违犯者将会被依法追诉。

youdao

The principles also require organizations using personal information to "take reasonable precautions to protect it from loss, misuse and unauthorized access, disclosure, alteration and destruction, " according to EU documents.

CNN: EU rejects U.S. data privacy protection as inadequate

Sponsor assumes no responsibility for any error, omission, interruption, deletion, defect, delay in operation or transmission, communication line failure, theft or destruction or unauthorized access to, or alteration of, entries.

WSJ: Blindfold Brackets 2013: Official Rules