#3: Sony
Sony stock performance: Nov 2010-Nov 2011.
Summary: Hacktivists broke into Sony worldwide, stealing about 100M data records (about 12M unencrypted).
Details: Sony’s video game online network was breached which led to the theft of names, addresses and credit card data.
Why Significant?
- By volume, the largest data breach of the year.
- Has kept a permanent drag on Sony’s stock.
- SQL injection made it onto the agenda of board rooms worldwide.
- This breach forever shifted the purpose of hacktivism from defacement to data theft. The hacker’s intent wasn’t to embarrass a company, but rather to bring it down.



















