Higher security : trends in typing


An IBM Developer works article showed how a linux system can be tweaked record the patterns in typing, especially the inter key delay. This can be especially useful in a second level identification method.
http://www.ibm.com/developerworks/opensource/library/os-identify/?ca=dgr-lnxw01GDMTyping&S_TACT=105AGX59&S_CMP=GR