Tag Archives: Breaches

Data Breaches and Stock Prices

When talking to companies about the effects of hacking and data breaches I often talk to companies about the effect on stock prices and the potential for brand damage – but, does a security breach really cause a noticeable effect on share prices?¬†Incidentally I was recently working on a script to pull historical stock data for companies at specific dates. So I figured I’d test drive the new script and pull some historic data for companies immediately following a breach, to show the ultra-short term affect on their share price. So I offer my raw data here without analysis and allow you to draw your own conclusions. It’s pretty interesting to see the¬†initial drops in stock and the patterns that affect all companies and all breaches regardless of how well it is handled.

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