A Helper method to convert a string value to a SecureString value. This is most useful when needing to pass a sensitive value, such as a social security number or password, around as a string on the server side. The SecureString class has a Dispose method for GC.

SecureStringHelper.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Security;
using System.Web;

namespace Gaylord.Helpers
{
    public static class SecureStringHelper
    {
        public static SecureString ToSecureString(this string value)
        {
            var rtn = new SecureString();

            if (value.Length > 0)
                foreach (var c in value.ToCharArray())
                    rtn.AppendChar(c);
            
            return rtn;
        }
    }
}