Facebook-owned instant messenger — WhatsApp — has crossed 2 billion users around the world, and on this success, has reaffirmed its commitment to strong encryption to protect the privacy of users’ data.

WhatsApp, which was acquired by Facebook in 2014, turned into the most widely-used free messaging app that provides free text, voice and video communication services; enabling more than 2 billion people to have conversations from anywhere in the world.

“Strong encryption is a necessity in modern life. We will not compromise on security because that would make people less safe,” WhatsApp said in an official statement. “For even more protection, we work with top security experts and employ industry-leading technology to stop misuse as well as provide controls and ways to report issues without sacrificing privacy.”

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The social network is working to extend end-to-end encryption across its messaging applications, including Facebook Messenger and Instagram.

In a recent statement, Facebook had said some 2.89 billion people globally were daily users of at least one of its services. The growth has attracted more attention of regulators and activists concerned over the dominance of major tech platforms.