Edward W. Felten – Communications of the ACM

Research and Advances May 1 2009

Lest We Remember: Cold-Boot Attacks on Encryption Keys

DRAM retains its contents for several seconds after power is lost. Although DRAM becomes less reliable when it is not refreshed, it is not immediately erased, and its contents persist sufficiently for malicious (or forensic) acquisition of usable full-system memory images.

Computing Applications

cold-boot attack of a laptop's memory chips

Author Archives

Opinion Jul 1 2005

DRM and Public Policy

Digital rights management (DRM) systems try to erect technological barriers to unauthorized use of digital data. DRM elicits strong emotions on all sides of the digital copyright debate. Copyright owners tend to see DRM as the last defense against rampant infringement, and as an enabler of new business models. Opponents tend to see DRM as […]

Computing Applications

Research and Advances Apr 1 2003

A Skeptical View of Drm and Fair use

Don't expect DRM to ever be smart enough to distinguish fair use from copyright infringement.

Computing Applications

Opinion Sep 1 2000

Viewpoint: Technological Access Control Interferes with Noninfringing Scholarship

Whether searches are human-assisted or computer-assisted, searching any work is fair use.

Computing Applications

Opinion Apr 1 1997

Webware security

Architecture and Hardware

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