SAN FRANCISCO, April 18, 2018 (Xinhua) -- A visitor (R) chats with an expert during the RSA cyber security conference in San Francisco, the United States, on April 17, 2018. The RSA cyber security conference kicked off here on Monday. (Xinhua/Wu Xiaoling/IANS)moreAN FRANCISCO, April 18, 2018 (Xinhua) -- People visit the RSA cyber security conference in San Francisco, the United States, on April 17, 2018. The RSA cyber security conference kicked off here on Monday. (Xinhua/Wu Xiaoling/IANS)moreSAN FRANCISCO, April 18, 2018 (Xinhua) -- An exhibitor makes presentation during the RSA cyber security conference in San Francisco, the United States, on April 17, 2018. The RSA cyber security conference kicked off here on Monday. (Xinhua/Wu Xiaoling/IANS)moreSAN FRANCISCO, April 18, 2018 (Xinhua) -- An exhibitor makes presentation during the RSA cyber security conference in San Francisco, the United States, on April 17, 2018. The RSA cyber security conference kicked off here on Monday. (Xinhua/Wu Xiaoling/IANS)more