There really are various options to consider, but keep in mind that no single strategy can ensure you an internship.
Applying on a company’s website is not a good idea. If you do, don’t hold your breath for a response.
Apply to articles on LinkedIn in which the author says they’re seeking for an intern.
You may find such jobs by putting phrases like ‘data science intern,’ ‘data science internship,’ ‘data scientist intern,’ and so on into the LinkedIn search field and selecting ‘Posts.’
Contact any of your college graduates who are working in high-level positions in tech businesses or who have started their own business.
Their fondness for academia will pay off in the end, and they will be eager to assist you.
Internships that require payment should be avoided.
There are numerous online internships available on various platforms; I’ll name a few that I’m familiar with.