Funding Daily: a possible Square investment and fighting cyber threats

At VentureBeat, we come across a lot of funding news every day. In order to bring you the most information possible, we’re rounding up the quick-and-dirty details about the funding deals of the day and serving them up here in our “Funding daily” column.

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Square may be raising a new round at $4B valuation

Mobile payment startup Square is said to be raising a new round of funding that would value the company at a whopping $4 billion. Square has already raised $137 million Kleiner Perkins, Tiger Global Management, Sequoia Capital, and Khosla Ventures, among others.

Eucalyptus secures $30M investment

Open-source cloud software maker Eucalyptus Systems has raised $30 million in its third round of funding. The company offers an open-source software platform for private and hybrid clouds. Institutional Venture Partners (IVP), led the round, with Benchmark Capital, BV Capital, and New Enterprise Associates (NEA) participating.

AdSafe gets funding to keep your ads off porn sites

AdSafe Media has raised $10 million in funding to make sure your company’s ads don’t intentionally wind up in potentially embarrassing places such as porn or pirating sites. Pelion Venture Partners, Atlas Venture, and Coriolis Ventures participated in the round.

Coursera goes back to school with $16M

Shaking up online education and bringing university courses to anyone with an Internet connection, Coursera grabbed a $16 million investment. Kleiner Perkins Caufield & Byers was the venture firm behind the investment.

Cyphort raises $7M

Stealthy Cyphort filed a form D Wednesday for what appears to be a new $7 million funding round. The company fights cyber threats for government agencies and business with software.

CircleUp grabs money for crowdfunding

CircleUp has raised $1.5 million from David Topper and other investors. The company launched its service today, which helps startups get funding from wealthy investors —  those that make over $200,000 in yearly income or have a net worth of more than $1 million. Instead of focusing on tech startups, CircleUp helps investors give capital to consumer product companies.

TransferWise gets funding to shake up currency exchanges

TransferWise closed $1.3 million in funding for its scheme to sidestep the banks using cheap, peer-to-peer currency exchange. Among the new investors is Max Levchin, the co-founder of PayPal.

SkySQL raises $4M

SkySQL has raised $4 million in first-round funding. SkySQL consults with businesses to set them up with MySQL and MariaDB database services. OnCorps led the round with Finnish Industry Investment Ltd., Spintop Ventures and Open Ocean Capital. The full release is below.

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Boxing image via Flickr user djclear904