ConvertTo$-$SecureString cmdlet can

Question $5$ options:

convert encrypted standard strings into secure strings

convert plain text to secure strings. $($ It is used with ConvertFrom$-$SecureString and Read$-$Host $)$

The secure string can be converted back to an encrypted, standard string using the ConvertFrom$-$SecureString cmdlet

If the standard string being converted was encrypted with ConvertFrom$-$SecureString using a specified key, that same key must be provided as the value of the Key or SecureKey parameter of the ConvertTo$-$SecureString cmdlet