The security info string that you want to decrypt.
| Actions: | UserDecryptSecurityInfo | 
| Type: | String | 
| Default: | |
| Example: | SecurityString=MTQ0lGDBkNrJvBv0pOi%2BQDBK1z6y/1/09BqL4Vu/18W7JGCy8Pvm4/wixO/pI99/A== | 
| See Also: | 
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