Bermuda is a British Overseas Territory, covered by the Hague Convention, therefore you would need to obtain an apostille for your documents.
What is an apostille?
An "apostille" is a form of authentication issued to documents for use in countries that participate in the Hague Convention of 1961. If the country of intended use does not participate in the Hague Convention, documents being sent to that country can be "authenticated" or "certified". Types of documents include corporate documents such as company bylaws and articles of incorporation, power of attorney, diplomas, transcripts, letters relating to degrees, marital status, references and job certifications, home studies, deeds of assignments, distributorship agreements, papers for adoption purposes, etc.What is an embassy legalization?
An embassy legalization is a form of authentication issued to documents for use in countries that does NOT participate in the Hague Convention of 1961. The process to legalize documents is much longer and tedious.