Visit the following site at least once a month to get the latest security patches and CVE related details.   Microsoft: https://msrc.microsoft.com/update-guide/vulnerability/ Oracle: https://www.oracle.com/security-alerts/ DB2: https://www.ibm.com/support/pages/published-security-vulnerabilities-db2-linux-unix-and-windows-including-special-build-information Misc: https://www.sans.org/newsletters/at-risk/