If someone uses work that's protected by copyright without permission, what is that called? trademark infrigement copyright infringement totally okay if no one else knows

## Step 1<br />The question is asking for the term used when someone uses work that is protected by copyright without permission. This is a legal issue related to copyright law.<br /><br />## Step 2<br />The options provided are "trademark infringement", "copyright infringement", and "totally okay if no one else knows". <br /><br />## Step 3<br />"Trademark infringement" refers to the unauthorized use of a trademark or service mark on or in connection with goods and/or services in a manner that is likely to cause confusion among consumers. This is not the correct answer because the question is about copyright, not trademarks.<br /><br />## Step 4<br />"Copyright infringement" refers to the use of works protected by copyright law without permission, infringing certain exclusive rights granted to the copyright holder, such as the right to reproduce, distribute, display or perform the protected work, or to make derivative works. This is the correct answer because it directly relates to the question.<br /><br />## Step 5<br />"Totally okay if no one else knows" is not a legal term and does not accurately describe the situation of using copyrighted material without permission.