Recently, Kaspersky researchers captured the behavior of using the Chrome 0day vulnerability to attack, the vulnerability number is CVE-2019-13720. After analysis by relevant researchers, the attacker was the North Korean APT organization "Lazarus". According to the information of the Dimensional Security Lab, the organization has been conducting APT attacks on international digital currency exchanges and other related companies over the past two years (such as the DragonEx exchange that was captured and analyzed by our lab before it was hacked). event). This vulnerability is extremely dangerous. The Dimensional Security Lab reminds the relevant staff of the exchange. Do not click on the suspicious link in the email or chat to update the Chrome desktop version (Windows/Linux/MacOSX) to 78.0.3904.87 and above. version.