We finally found somebody at Sony who is willing to talk about its Microvault USB sticks, but we didn't get much wiser.
The product essentially tanked and was discontinued just before F-Secure found that it formed a security risk because of "modest sales". Sony is still investigating the security problems (the device compromises Windows security, offering malware a place to hid from anti virus software), and pending the investigation won't decide if will do a recall.
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