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Questions tagged [social-security-number]

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42 views

How to store SSN in asp.net web-based application on a short-term basis?

After scouring the web to find countless similar questions, I still find it important enough to ask based on my client's specific requirements. Now I know most if not all are not a lawyer, but if you'...
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2answers
163 views

Is it poor practice to use the last 4 digits of a social security number as an identifier?

Is it poor practice to use the last 4 digits of a social security number as an identifier? The last 4 digits of a person's social are commonly used as a means of personal identification/...
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0answers
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Where can I find legal acts (USA) for storing or processing social security number, tax id, driver license?

There is a PCI DSS for credit card processing. Does somewhere exist similar requirements for personal data processing, especially in US?
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2answers
80k views

Why do some companies ask last 4 digits of my SSN or a scan of my ID? What are my risks?

Yesterday I found out that some major service provider (online rentals) that I use now requires proof of my identity if I want to continue and make a booking. I was offered 2 options: Enter last 4 ...
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1answer
2k views

Why do websites ask for the last four digits of your social security number?

Quite a few websites, Coinbase and Stripe most notably, ask for the last four digits of your social security number to 'verify your identity'. Assuming these websites are not trying to fraud you, how ...
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2answers
1k views

Are social security numbers useless by themselves?

453.7 million social security numbers have been issued to date. There are only 1 billion = 1000 million distinct 9 digit integers. This means that if I were to make up any 9 digits, I would have ...
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1answer
257 views

Exposure risk of knowing only social security number?

Up until recently I was under the impression that the social security number was insufficient information to perform identity theft, and that in practice you will at least need the victim's SSN and ...