Internet giant Yahoo! has purchased its second Israel-based company in as many months. ClarityRay, a start-up which specializes in ad-blocking and helps publishers detect advertising fraud and generate alternative pop-ups to users, has been bought out by the multinational corporation, it said on its website.

"Our vision has always been making the eco-system safe, compliant and sustainable for consumers, publishers and advertisers," the ClarityRay team stated, adding that it helped the online ad industry in "identifying, measuring, and solving many of its unseen hurdles inhibiting that."

It said that joining the Yahoo! team will enable them to go forward in pursuing that vision, and that "we couldn't be more excited."

Calling their exit a "once-in-a-lifetime opportunity" that will allow for the "mass scaling of our technology, impact and ideas to the absolute forefront of our field," the start-up said they are proud to call Yahoo! "home."

A statement issued by Yahoo! said, "We’ve been working on building up security capabilities and making Yahoo! a safer place for users and partners. Advertising is an essential part of our business here at Yahoo, and we’re committed to getting it right. ClarityRay is a company with deep expertise in ad-malware detection and prevention. The bottom line for Yahoo! is that search is going to get better and safer for users, and advertising will become more reliable and profitable for partners."

The privately-held company was founded in 2012 by Ido Yablonka, Vadim Zak, and Guy Pitelko and is currently based in Israel's start-up capital,Tel Aviv. It raised $500,000 in May 2012 from Saar Wilf.

As for the terms of the deal, details were not disclosed. Back in July, Yahoo! acquired an Israeli video-streaming app RayV.

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