CERT Advisory CA-1990-09: VAX/VMS Break-ins - Warning about techniques intruders were using to get access to VMS systems. No new vulnerabilities described; intruders were using weak password attacks. - http://www.cert.org/advisories/CA-1990-09.html
CERT Advisory CA-1992-18: Revised VMS Monitor Vulnerability - Provides additional information concerning availability of remedial image kits to correct a vulnerability present in the Monitor utility in VMS V5.0 through V5.4-2. The vulnerability has been corrected in V5.4-3 through V5.5-1. - http://www.cert.org/advisories/CA-1992-18.html
CERT Advisory CA-1993-05: OpenVMS and OpenVMS AXP Vulnerability - A vulnerability is present with Digital Equipment Corporation's OpenVMS and OpenVMS AXP. This vulnerability is present in OpenVMS V5.0 through V5.5-2 and OpenVMS AXP V1.0 but has been corrected in OpenVMS V6.0 and OpenVMS AXP V1.5. This advisory provides - http://www.cert.org/advisories/CA-1993-05.html
PointSecure - Security and forensic software for OpenVMS. - http://www.pointsecure.com