- Insecurity questions on phones and at banks
- How important are the last four digits of your social security number? That and a high school yearbook can get a hacker your bank account.
- Jim Rockford comes to identity theft
- It’s easy enough to guess an SSN, if you know the SSN of someone born at the same location and the same time.
- The last four digits of your social security number
- The last four digits of your social security number are the least guessable part of your SSN.
- Mat Honan should read Mimsy
- “Because the last four numbers of your SSN are what businesses ask for, they are all that a criminal sometimes needs to use your cash or credit.”
- Tumbling to SSN privacy
- Guessing social security numbers based on the statistical analysis I talked about in “The last four digits of your social security number” now has a name: “tumbling”.
More Information
- 2016 Reality: Lazy Authentication Still the Norm
- “The attacker had merely called in to PayPal’s customer support, pretended to be me and was able to reset my password by providing nothing more than the last four digits of my Social Security number and the last four numbers of an old credit card account.”