Amazon S3 buckets have an Object Lock feature that prevents the objects they store from being deleted. Object Lock is an Amazon S3 feature that blocks object version deletion during a user-defined retention period. This feature provides two ways to manage object retention.

1. Retention periods
2. Legal Holds

1. Retention Periods:- In this A retention period specifies a fixed time frame during which an S3 object remains locked, meaning that it can’t be overwritten or deleted.

2. Legal Holds:- In this, A legal hold the same protection as a retention period, but without an expiration date. It remains active until you explicitly remove it.