Distressed by recent fear of mine

Since Ive had these issues since childhood Ive learnt to deal with most of the symptoms and have been doing okay. But a recent fear of mine is something I havent been able to combat.

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I fear dropping dead randomly and my family going through my things and devices and finding obscene things. As you can imagine there are no such things to be found but my mind is convincing me that they will magically appear.

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This has been so distressing for me that Ive already deleted most of my social media accounts and sold many belongings. Im now at the point where Im seriously considering completely going off the grid as well as selling pretty much everything I own. I dont know how to work on this specific fear since I feel like I have no control and just continue to spiral.

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Does anyone have any similar obsessions and found a way to combat them? Thanks so much for lending me an ear Id appreciate any sort of input since Im kind of at a loss currently. Best wishes to all