Shred, cut, melt, smash, grind, then flush, is it secure disposal of a security access id card?

I had a card like a credit card that I used to use for work. It was an ID card, and it had an access code, a swiper, a barcode, my picture, my name, my rank, my license, the name of the company, and the address of the building where my com… Continue reading Shred, cut, melt, smash, grind, then flush, is it secure disposal of a security access id card?

As a private individual, cleanly destroy a large number of paper documents. Are there alternatives to the consumer shredder?

I need to safely dispose of about 30 federal folders. That means 95% of the documents will be shredded and the rest stored. I bought a small shredder for private people (professional shredders are too expensive) and now I see that the effo… Continue reading As a private individual, cleanly destroy a large number of paper documents. Are there alternatives to the consumer shredder?

Is data retrieval from a broken NAND memory chip actually possible or not?

When it comes to monolith storage cards like microSDs, I know that it’s possible to retrieve data if there’s corruption using specialist software. Likewise, if there are problems with the circuitry, then a trained specialist can solder the… Continue reading Is data retrieval from a broken NAND memory chip actually possible or not?

How to disable data from an presumably dead USB thumb drive while leaving it physically intact?

The data on my USB thumb drive is no longer accessible using a usual consumer computer (cf. https://superuser.com/questions/1687720).
I wish to make sure that someone cannot extract data from it without having to take extraordinary measure… Continue reading How to disable data from an presumably dead USB thumb drive while leaving it physically intact?

If an SSD uses TRIM, is there any reason to destroy it physically to protect one’s data?

If an SSD uses TRIM such as a Mac with TRIM support when it deletes files, I’ve been told that it is completely unrecoverable. Therefore, is it ever really better protection to physically destroy the SSD to protect one’s data?

Continue reading If an SSD uses TRIM, is there any reason to destroy it physically to protect one’s data?

How to best prevent data recovery on a disk drive without physically destroying it? [duplicate]

The recommended way of ensuring that data on a hard disk cannot be recovered is to destroy it physically, for example using a hammer, drill or even thermite.
Question
When physical disk destruction is not an available option, what is the n… Continue reading How to best prevent data recovery on a disk drive without physically destroying it? [duplicate]