Verizon Business 2008 Data Breach Investigations Report
Verizonからなかなか興味深いレポートが出ている。これは読まねば。
Key Findings Examine Basic Security Tenets
Some of the findings may be contrary to widely held beliefs, such as that insiders are responsible for most breaches. Key findings include:
- Most data breaches investigated were caused by external sources. Thirty-nine percent of breaches were attributed to business partners, a number that rose five-fold during the course of the period studied.
- Most breaches resulted from a combination of events rather than a single action. Sixty-two percent of breaches were attributed to significant internal errors that either directly or indirectly contributed to a breach. For breaches that were deliberate, 59 percent were the result of hacking and intrusions.
- Of those breaches caused by hacking, 39 percent were aimed at the application or software layer. Attacks to the application, software and services layer were much more commonplace than operating system platform exploits, which made up 23 percent. Fewer than 25 percent of attacks took advantage of a known or unknown vulnerability. Significantly, 90 percent of known vulnerabilities exploited had patches available for at least six months prior to the breach.
- Nine of 10 breaches involved some type of “unknown” including unknown systems, data, network connections and/or account user privileges. Additionally, 75 percent of breaches are discovered by a third party rather than the victimized organization and go undetected for a lengthy period.
- In the modern organization, data is everywhere and keeping track of it is an extremely complex challenge. The fundamental principle, however, is quite simple – if you don’t know where data is, you certainly can’t protect it.
PDFのレポートはこちら。
