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b"It's no surprise that one of the agencies with some of the largest troves of sensitive data is the justice Department with the act of gathering evidence more and more relying on new technologies. That usually means more data. The more there is, the more important it is to secure it at the executive office for the U S attorneys. Its chief information security officer, Greg Hall, is currently working to keep that data safe. He spoke Federal News Network's Tom Temin about some of the major challenges facing his office and how it is tackling them. \\nLearn more about your ad choices. Visit megaphone.fm/adchoices"