Banks, brokerage firms and financial services firms in general have all heard about two-factor authentication by now, and many firms already offer the service. While banks were required to adopt two-factor authentication, other industries have been offering two-factor schemes to secure client accounts.
Most banks have settled on RSA’s PassMark image-based system (users pick an image that will be displayed when logging in to verify the site’s authenticity). Some brokerage firms offer this same system while others offer clients a token-based system (Charles Schwab and E*TRADE for example). Instead of images, the token (also usually provided by RSA) ties a specific client to an algorithm that the token uses to generate a number that the website verifies. As we said, this is pretty much common knowledge and accepted practice for quite a few financial services firms (let’s include PayPal in that group).
Two-factor authentication is good for securing personal information and locking down accounts, like your bank account. Because it is so robust and is generally resistant to brute-force attacks and key logging tools, this technology could be useful for locking down all kinds of accounts. As an example, how about a two-factor token to lock down a gaming account? Blizzard Entertainment has in fact just started offering ID tokens for its wildly popular World of Warcraft game. The token costs just $6.50 and is tied to specific player IDs. Just like at financial services firms, players log in as usual then enter the token-generated number.
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