Update security documentation

1) Replace references to "Arm Trusted Firmware" with "TF-A"
2) Update issue tracker link

Change-Id: I12d827d49f6cc34e46936d7f7ccf44e32b26a0bd
Signed-off-by: John Tsichritzis <john.tsichritzis@arm.com>
diff --git a/docs/process/security.rst b/docs/process/security.rst
index b4831c8..d1c997b 100644
--- a/docs/process/security.rst
+++ b/docs/process/security.rst
@@ -4,28 +4,29 @@
 Security Disclosures
 --------------------
 
-We disclose all security vulnerabilities we find or are advised about that are
-relevant for ARM Trusted Firmware (TF). We encourage responsible disclosure of
+We disclose all security vulnerabilities we find, or are advised about, that are
+relevant to Trusted Firmware-A. We encourage responsible disclosure of
 vulnerabilities and inform users as best we can about all possible issues.
 
-We disclose TF vulnerabilities as Security Advisories. These are listed at the
-bottom of this page and announced as issues in the `GitHub issue tracker`_ with
-the "security-advisory" tag. You can receive notification emails for these by
-watching that project.
+We disclose TF-A vulnerabilities as Security Advisories, all of which are listed
+at the bottom of this page. Any new ones will, additionally, be announced as
+issues in the project's `issue tracker`_ with the ``security-advisory`` tag. You
+can receive notification emails for these by watching the "Trusted Firmware-A"
+project at https://developer.trustedfirmware.org/.
 
 Found a Security Issue?
 -----------------------
 
-Although we try to keep TF secure, we can only do so with the help of the
+Although we try to keep TF-A secure, we can only do so with the help of the
 community of developers and security researchers.
 
-If you think you have found a security vulnerability, please *do not* report it
-in the `GitHub issue tracker`_. Instead send an email to
+If you think you have found a security vulnerability, please **do not** report it
+in the `issue tracker`_. Instead send an email to
 trusted-firmware-security@arm.com
 
 Please include:
 
-* Trusted Firmware version (or commit) affected
+* Trusted Firmware-A version (or commit) affected
 
 * A description of the concern or vulnerability
 
@@ -49,10 +50,11 @@
 
 Please give us the time to respond to you and fix the vulnerability before going
 public. We do our best to respond and fix any issues quickly. We also need to
-ensure providers of products that use TF have a chance to consider the
+ensure providers of products that use TF-A have a chance to consider the
 implications of the vulnerability and its remedy.
 
-Afterwards, we encourage you to write-up your findings about the TF source code.
+Afterwards, we encourage you to write-up your findings about the TF-A source
+code.
 
 Attribution
 -----------
@@ -81,7 +83,7 @@
 | `TFV-5`_  | Not initializing or saving/restoring PMCR_EL0 can leak secure    |
 |           | world timing information                                         |
 +-----------+------------------------------------------------------------------+
-| `TFV-6`_  | Arm Trusted Firmware exposure to speculative processor           |
+| `TFV-6`_  | Trusted Firmware-A exposure to speculative processor             |
 |           | vulnerabilities using cache timing side-channels                 |
 +-----------+------------------------------------------------------------------+
 | `TFV-7`_  | Trusted Firmware-A exposure to cache speculation vulnerability   |
@@ -91,7 +93,7 @@
 |           | Normal World SMC client to another                               |
 +-----------+------------------------------------------------------------------+
 
-.. _GitHub issue tracker: https://github.com/ARM-software/tf-issues/issues
+.. _issue tracker: https://developer.trustedfirmware.org/project/board/1/
 .. _this PGP/GPG key: security-reporting.asc
 .. _TFV-1: ./security_advisories/security-advisory-tfv-1.rst
 .. _TFV-2: ./security_advisories/security-advisory-tfv-2.rst