Resources for Staying Informed About Important Security Issues

Table A.1 is a list of services to join to receive alerts when new security issues are discovered. Such services can be invaluable for keeping abreast of new vulnerabilities and countermeasures. The URLs in the table are accurate as of the publication of this book.

Table A.1. Security Update Resources

Description	Web Site Address
These are free services for tracking new vulnerabilities, exploits, and countermeasures. Mailings are sent out on a regular basis and as new security issues are discovered.	www.securitytracker.com www.sans.org/sansnews
These are paid subscription services that stay alert to new security issues. These services custom-tailor results to each client. Such services are helpful in maintaining a more accurate and focused view of current security issues.	www.securityfocus.com/corporate/products/vdb www.vigilinx.com/security/vsis.html