Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×
In addition to the obvious steps of installing firewalls, intrusion-detection software and other security products, administrators can take several simple -- and relatively inexpensive -- measures to frustrate hackers' efforts and protect their corporate data. "When you're doing an application hack, it's about gathering information," said Caleb Sima, cofounder and CTO of application security vendor SPI Dynamics, in a SANS Institute Webcast on September 10th. Therefore, administrators must reduce hackers' ability to garner such data.
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