Unlike neatly defined science problems, which amaze more by their petabyte scale than their inherent complexity, virtual organisations are noteworthy because of their constantly shifting landscape of data and computer resources, and the authentication on which they rely.

ECONOMIST: REPORT: COMPUTER NETWORKS: Computing power on tap | The

The data-hiding technique neatly fits within the image, and all the authentication tasks are localised, notes Guarav Sharma of Xerox.

ECONOMIST: MONITOR

The router, called ASR-1000, allows Internet service providers (ISPs), large companies and universities to move data and integrate services that enable security, voice over Internet, deep packet inspection and the authentication of broadband flow to specific subscribers, all in a single piece of hardware.

FORBES: Cisco Seeks An Edge