Disability Secrets different from Social Security disability insurance Social security, SSI, SSDI significant distinction SSI and SSDI have different thresholds and requirements SSI vs SSDI - differences (as described by attorney) two different benefits Both SSI and SSDI SSI SSI and SSDI SSI and SSDI have different thresholds and requirements two different benefits both the SSDI and SSI programs Differences Between SSDI and SSI Disability Secrets Both SSI and SSDI SSDI and SSI two different benefits SSD and SSI