Avivah Litan

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Archives for December, 2011


How Smart are Predictive Models?

by Avivah Litan  |  December 15, 2011  |  1 Comment

For years, I have been trying to get to the bottom of what type of self-learning predictive models and fraud scoring systems the vendors I cover provide. I often got the impression, that in many cases, it was a bit of a Wizard of Oz scenario, with some guys sitting behind a big door or [...]

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Lucky stores weren’t so lucky – Another Flash Attack?

by Avivah Litan  |  December 8, 2011  |  Comments Off

What really happened at Lucky and Savemart stores? See http://savemart.com/index.php?id=449 for their press release on this. Something here doesn’t add up. The chain says employee and customer bank accounts were compromised but employees generally don’t swipe their cards at the POS systems. So I for one, would like to understand the connection to employee accounts. [...]

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