Stable Channel Update for Chrome OS
The Chrome Operating system has recently updated on March 12, 2019 with a stable version: 73.0.3683 for (windows, Mac, Linux) on Chrome OS devices. The update contains several fixes and improvements. It is recommended to take the necessary precautions by ensuring your products are always updated to avoid remote attackers from exploiting one of these vulnerabilities by taking control of an affected system.
For more information on the list of updates you can follow this url:
https://chromereleases.googleblog.com/2019/03/stable-channel-update-for-desktop_12.html
The Guyana National CIRT recommends users and administration to review these updates and to apply them where necessary.
Reference
https://www.us-cert.gov/ncas/current-activity/2019/03/06/Cisco-Releases-Security-Updates