Google has acquired a three-year old start-up called Imprermium that builds cyber security products for websites. The acquisition was announced by Impermium’s CEO and Co-Founder, Mark Risher in a post. The financial details of the deal have not been disclosed yet.

Impermium's website now has just a note from Risher, stating, 'Impermium is joining Google'. It goes on to say: "By joining Google, our team will merge with some of the best abuse fighters in the world. With our combined talents we'll be able to further our mission and help make the internet a safer place. We're excited about the possibilities."

The startup that had two Indians Vish Ramarao and Naveen Jamal and a third co-founder Mark Risher. The trio worked together for Yahoo! before starting Imprermium in 2010. The company has offices in Bangalore and California.

Impermium received $9 million in funding from a host of venture firms including Accel Partners, Charles River Ventures, AOL Ventures and Highland Capital Partners. The company reportedly has over 300,000 clients, including Pinterest, Tumblr, ESPN, CNN, Typepad and Washington Post among others.

Impermium is a cybersecurity technology startup that protects over 1.5M sites and has processed over 8B total transactions in its 3-year history. The company’s advanced risk-evaluation platform improves account management by identifying fraudulent registrations, compromised logins, and risky transactions. It has proven successful at stopping fraudulent user account registrations in real-time — using a blend of machine learning, statistical anomaly detection, and a proprietary database of malicious actors — for hundreds of transactions per second from many of the largest consumer Internet companies.