Change Atlas CTA to use security specific link

Author: kirbyk

source/core/auditing.txt

@@ -17,7 +17,7 @@ Auditing
    Atlas makes it easy for administrators to select the actions that they want
    to audit, as well as the MongoDB users, Atlas roles, and LDAP groups whose
    actions they want audited. `Track Your System on Atlas
-   <https://www.mongodb.com/cloud/atlas/lp/general?utm_source=auditing&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
+   <https://www.mongodb.com/cloud/atlas/lp/security?utm_source=auditing&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
 
 .. versionadded:: 2.6
 

source/core/authentication-mechanisms-enterprise.txt

@@ -44,7 +44,7 @@ LDAP Proxy Authentication
    MongoDB Atlas natively supports authentication via LDAP. Atlas automatically
    syncs with your LDAP server and makes it easy for your users to authenticate
    with their existing credentials. `Sign up for MongoDB Atlas
-   <https://www.mongodb.com/cloud/atlas/lp/general?utm_source=authentication-mechanisms-enterprise&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
+   <https://www.mongodb.com/cloud/atlas/lp/security?utm_source=authentication-mechanisms-enterprise&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
 
 `MongoDB Enterprise
 <http://www.mongodb.com/products/mongodb-enterprise?jmp=docs>`_ supports

source/core/authentication.txt

@@ -26,7 +26,7 @@ verified user's access to resources and operations.
    MongoDB Atlas natively supports authentication via LDAP. Atlas automatically
    syncs with your LDAP server and makes it easy for your users to authenticate
    with their existing credentials. `Sign up for MongoDB Atlas
-   <https://www.mongodb.com/cloud/atlas/lp/general?utm_source=authentication&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
+   <https://www.mongodb.com/cloud/atlas/lp/security?utm_source=authentication&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
 
 Authentication Methods
 ----------------------

source/core/security-encryption-at-rest.txt

@@ -14,7 +14,7 @@ Encryption at Rest
    Databases hosted on MongoDB Atlas are secure by default. Atlas encrypts your
    data, both in-transit and at-rest, and makes it easy to control access with
    role-based user management. `Set up a free cluster now
-   <https://www.mongodb.com/cloud/atlas/lp/general?utm_source=security-encryption-at-rest&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
+   <https://www.mongodb.com/cloud/atlas/lp/security?utm_source=security-encryption-at-rest&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
 
 Encryption at rest, when used in conjunction with transport encryption
 and good security policies that protect relevant accounts, passwords,

source/security.txt

@@ -8,7 +8,7 @@ Security
    Databases hosted on MongoDB Atlas are secure by default. Atlas encrypts your
    data, both in-transit and at-rest, and makes it easy to control access with
    role-based user management. `Set up a free cluster now
-   <https://www.mongodb.com/cloud/atlas/lp/general?utm_source=security&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
+   <https://www.mongodb.com/cloud/atlas/lp/security?utm_source=security&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
 
 MongoDB provides various features, such as authentication, access
 control, encryption, to secure your MongoDB deployments. Some key

source/tutorial/manage-users-and-roles.txt

@@ -21,7 +21,7 @@ how to add a new user to MongoDB.
    MongoDB Atlas natively supports authentication via LDAP. Atlas automatically
    syncs with your LDAP server and makes it easy for your users to authenticate
    with their existing credentials. `Sign up for MongoDB Atlas
-   <https://www.mongodb.com/cloud/atlas/lp/general?utm_source=manage-users-and-roles&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
+   <https://www.mongodb.com/cloud/atlas/lp/security?utm_source=manage-users-and-roles&utm_campaign=20-docs-in-20-days&utm_medium=docs>`_.
 
 Prerequisites
 -------------