Subscribe to a mailing list

US-CERT offers mailing lists and feeds for a varity of products including the National Cyber Alert System and Current Activity updates. The National Cyber Alert System was created to ensure that you have access to timely information about security topics and threats. To make it easier for you to receive the information, US-CERT offers five mailing lists that you can you can subscribe to. You may choose one or more of the following types of documents:

• Technical Cyber Security Alerts
• Cyber Security Bulletins
• Cyber Security Alerts
• Cyber Security Tips
• Current Activity

To learn more or subscribe, visit the subscription system. If you're having trouble subscribing, read the FAQ.

Feeds for some of our security documents

You can view US-CERT security documents on our web site or use our RSS and Atom feeds. Some of these feeds can also be added to your My Yahoo! page if you have one.

Document Type	Feed	My Yahoo
Technical Cyber Security Alerts http://www.us-cert.gov/cas/techalerts/
Cyber Security Alerts (non technical) http://www.us-cert.gov/cas/alerts/
Cyber Security Bulletins http://www.us-cert.gov/cas/bulletins/
Cyber Security Tips http://www.us-cert.gov/cas/tips/
Current Activity http://www.us-cert.gov/current/
Vulnerability Notes http://www.kb.cert.org/vuls/

Unsubscribe from a mailing list or change your email address

Note: If you are trying to unsubscribe from the cert-advisory mailing list (check the email header), there are different instructions.

To change your email address, you must follow the instructions for unsubscribing your old email address and then subscribe with your new address. To unsubscribe, you need to be able to read messages sent to the address you are unsubscribing, although you do not need to send the email from that address.

1. Open your email client and choose the option to compose a new email message
2. In the To: field, type majordomo@us-cert.gov
3. Leave the Subject: field blank
4. In the Body of the message, type one of the following options, substituting the email address you are unsubscribing for the example text:

   unsubscribe technical-alerts example@example.com

   unsubscribe alerts example@example.com

   unsubscribe security-tips example@example.com

   unsubscribe security-bulletins example@example.com

   unsubscribe current-activity example@example.com

   Note: You do not need to send the email from the account you are unsubscribing.

5. Remove any additional text from the body of the message, including a signature line (if your email client automatically adds a signature when you send the message, disable this feature or type end at the bottom of your message)
6. Send the email (this does not complete the process)
7. Check your email at the address you are unsubscribing for a message from US-CERT asking you to confirm the change
8. Reply to the message (make sure the confirmation number appears in the Subject: of the message), adding one of the following words to the beginning of the Body of the email:

   accept

   reject

   Note: If you cannot send email from the address you are unsubscribing, you can copy the information into a message sent from your active email account. Make sure the correct confirmation number appears in the Subject: and either accept or reject appears in the Body.