IT

O'Reilly Media-backed cybersecurity company Signal Sciences publicly launched its web app firewall while disclosing $9.7m of series A funding.

Intel-backed smart building analytics platform Enlighted has now accumulated more than $80m in funding and will spend the money on European expansion.

2015 saw companies raising large VC rounds faster and investors existing quicker, according to Jon Norris of Silicon Valley Bank, and expect M&A to stay steady as IPO market continues to move slowly.

The network management company has added Alphabet to its shareholders, having previously secured cash from investors including Salesforce.

Customer insights platform Quantifind has now raised almost $50m altogether, after Comcast Ventures returned to make its second investment in the company.

The electronics producers will set up a joint fund in March 2016 that will seek out startups in the internet of things, robotics and other emerging sectors.

Digital Garage-backed Technorati, which had raised more than $30m in capital since 2002, was bought by Synacor for just $3m.

Oracle has bought virtualisation software specialist Ravello Systems, which had raised $54m from backers including Qualcomm and SanDisk, for a reported $500m.