Re: [ISN] One year later: Five takeaways from the TJX breach

From: InfoSec News (alerts@private)
Date: Sun Jan 20 2008 - 22:20:56 PST

Forwarded from: Adam Shostack <adam (at)>

It's too bad Vijayan didn't bother to do enough research to find 
Acquisiti, Freedman and Telang's work on the subject.

Breach disclosures almost never affect stock prices for more 
than a few days.


On Fri, Jan 18, 2008 at 01:04:14AM -0600, InfoSec News wrote:
| By Jaikumar Vijayan
| January 17, 2008 
| Computerworld
| Here, on the one-year anniversary of the breach becoming known, are five 
| takeways for security managers:

| Breach disclosures don't always affect revenue or stock prices ...
| Despite being the biggest, costliest and perhaps most written-about 
| breach ever, customer and investor confidence in TJX has remained 

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