Security

Messageware, a provider of enterprise security, productivity, and customization solutions for Microsoft Office Outlook Web App (OWA), announced the release candidate for Messageware OWA Guard for Microsoft Exchange Server 2010 is now available. www.messageware.com

Giesecke & Devrient Secure Flash Solutions announced a new solution called SafeToGo that offers centrally managed encryption on USB storage devices. www.gdfs.com

Social Media
Google announced improvements to its Google+ platform, such as user-interface changes that make it easier to join conversations. www.google.com

Facebook announced that it has reached an agreement to acquire Instagram, a photo-sharing app for mobile devices. www.facebook.com

Miscellaneous

Pinterest was rated as the third most-visited social media website. www.cnn.com

The Autonomy private cloud now manages more than 50 petabytes of web content, video, email and multimedia data on 6,500 servers in 14 data centers around the world. www.autonomy.com

Cisco announced it has expanded its small business product portfolio with new wireless access points, routers, switches, unified communications, and partner-managed service offerings. www.cisco.com

AOL announced that it has entered into a definitive agreement to sell over 800 of its patents and related patent applications to Microsoft Corporation for $1.056 billion. www.aol.com