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.
Continue reading: Data Breaches and Stock Prices