During the investigation, Mr. Monsegur, who lived in and worked from a public-housing project in New York City, received information on a day-to-day basis of "upwards of two dozen vulnerabilities" in computer systems from a network of cybercriminals, Mr. Pastore said in court documents released Thursday.

WSJ: FBI's 'Sabu' Hacker Was a Model Informant

While there are industries where it makes sense to allow duopolies or even monopolies to obtain economies of scale and network effects computer operating systems and electric utilities might be two examples the tradeoff usually is that they must accept closer government regulation to prevent price-gouging and other abuses.

FORBES: If AT&T/T-Mobile Merger Would Raise Prices, Why'd Sprint Stock Jump?

We are working as quickly as we can to have network access restored for our computer systems.

FORBES: Sprint Voice And Data Goes Down, Takes Alaska Airlines With It

He says that Visa has a great brand, a huge network and one of the most powerful, reliable computer systems on the planet.

FORBES: Magazine Article

The worldwide poll revealed that 83 percent of network managers found abusive or violent behavior by users against their computer systems.

CNN: Road rage on the information superhighway

Among the many things that surprised Michael Jordan when he arrived at troubled tech giant EDS last year was a deep and puzzling irony: EDS invented the business of outsourcing, overhauling other firms' computer systems and running them far more efficiently, yet its own internal network was a haphazard and disjointed mess.

FORBES: First, Heal Thyself

The new systems include an online booking system, e-prescriptions and fast computer network links between NHS organisations as well as the electronic records system.

BBC: Electronic records is one part of the ?6.8bn IT upgrade

Securing a small business' computer systems--which might involve all sorts of gorpy stuff like firewalls, application Web network scanners, access controls and database encryption--can run into the tens of thousands of dollars, says Litan.

FORBES: Magazine Article