There are several right ways and a wrong way to protect against the insurance company and defense attorney searching your social media.
Let us start with what you are NOT allowed to do. NEVER delete anything from social media, including accounts, photographs, or posts. Then they will accuse you of destroying evidence. Do not imitate the plaintiff that “cleaned up” Facebook and was sanctioned $180,000 in Allied Concrete Co. v. Lester, 736 S.E.2d 699 (Va. 2013), https://scholar.google.com/scholar_case?case=12929440551591006221&q=Allied%09Concrete%09Co.%09v.%09Lester&hl=en&as_sdt=40006.