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The answer here depends largely on the perspective from which you desire an answer. From the end user perspective, a number of devices have become available for your home or work PC to transform it into a more powerful ebanking computer including smart secure card readers built into standard keyboards.
From the back end perspective, many of the security technologies in use today are based on tried and true defense-in-depth models including firewalls, VPN's, anti-virus, intrusion detection/prevention, logging, etc.