Study shows how photonic decoys can foil hackersA University of Toronto professor and researcher has demonstrated for the first time a new technique for safeguarding data transmitted over fiber-optic networks using quantum cryptography. Get all the details.Seven tools for your next-generation networkFrom management software to grid technology, these tools may be right at home in your shop. See all seven tools.F5 Networks to tackle file-sharing WAN optimizationF5 Networks on Monday plans to announce an upgrade to its WAN optimization appliance, moving into a hot market to offer file-sharing acceleration for Common Internet File Systems. Click here for more.First feature-complete Vista beta releasedMicrosoft Wednesday released the first beta of its Vista client operating system that is feature-complete and focused on corporate users. Click here for more.Credit to the New Data CenterJPMorgan Chase asked Shawn Findlan to cope with 300% growth. His response involved a capacity-on-demand app platform. See how he did it.A dose of telemedicine saves lives, cuts costsAfter Carolyn Thornton was diagnosed with congestive heart failure, she was given a choice: wait at her suburban Boston home for twice-weekly medical readings taken by a visiting nurse, or do it herself. Her decision to take her own daily readings may have saved her life. Click here for more.BlackBerry wins latest Patent Office rulingResearch in Motion announced Wednesday that the Patent and Trademark Office has issued what is known as a final office action, rejecting all claims by NTP on one of its disputed patents. Click here for more.For news updated throughout the day, go to Network World's NetFlash news page.