ANN ARBOR—Bloggers beware: Writing in Web logs at work is risky business.

Misuse of company property could lead to disciplinary measures or even loss of a job, a University of Michigan law expert says. But even blogging from home can be risky for employees who reveal too much.

” Under many circumstances, you can be fired for any reason, any time, including for things you write in your blog,” said J.J. Prescott, an assistant law professor, whose research interests include employment and criminal law. ” Rarely do you have any statutory or constitutional protections for your private blogging.”

Employers, he noted, rightly worry that employee blogging could leak company trade secrets and copyrighted or trademark materials, contain harassing or discriminatory comments, or libel employees, clients or others.

Although employees should always assume that their employers will find and read their blogs, Prescott offered common sense tips for employees who want to record their thoughts while minimizing their risks. They include: