http://computer.forensikblog.de/en/ - Andreas Schuster - http://computer.forensikblog.de/en
A computer forensic blog by Andreas Schuster. Contains information about useful tools and upcoming events. Andreas has an excellent section on memory analysis detailing his latest research and techniques.
http://volatility.tumblr.com/ - Volatile Systems - http://volatility.tumblr.com/
A blog by Volatile Systems covering Volatile memory analysis research. Includes updates on new volatility plugins and links to the latest research.