12 security problems that EMV and tokenization won't solve

On Nov. 1 of next year, merchants that aren't ready to accept chip-based cards instead of the current magnetic-stripe cards will become liable for fraudulent transactions that today are covered by the credit card companies.

That means that a lot of retailers will be switching to new, EMV-compliant point-of-sale terminals -- and, while they're upgrading, many will also roll out tokenization and end-to-end encryption as part of the package.

[ Chip and PIN: No panacea, but worth the effort – and the cost ]

This will dramatically increase security in the area of retail payments. But it doesn't mean that the retail industry will instantly become bullet-proof. Here are 12 likely bumps in the road in the journey to credit card security.

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