I agree that a "serious concern is how retailers will work with tokens, given how extensive—and different—the various infrastructure change needs are.”

The good news is that retailers have implemented flexible tokenization solutions with minimal changes to their legacy systems.

I’m very concerned about the trend illustrated by Target’s 70 million compromised accounts containing information that can lead to identity theft. This PII information can be protected by data tokenization and I think that standardization efforts should include PII information, not just payment data.

Recent studies reported that data tokenization can cut security incidents by 50 % also for personal data.

This can help prevent identity theft.

Ulf Mattsson, CTO Protegrity