Update security readme.

SECURITY.md

@@ -7,11 +7,11 @@ includes all source code repositories managed through our GitHub organization.
 
 The following versions of ZeroTier One receive security updates
 
-| Version | Supported          |
-| ------- | ------------------ |
+| Version  | Supported          |
+| -------- | ------------------ |
+| 1.14.x   | :white_check_mark: |
 | 1.12.x   | :white_check_mark: |
-| 1.10.x   | :white_check_mark:  |
-| < 1.10.0 | :x: |
+| < 1.12.0 | :x:                |
 
 ## Reporting a Vulnerability
 
@@ -23,7 +23,6 @@ please encrypt with our PGP key (see below).
 Please include the following information, or as much as you can provide to help us 
 understand the nature and scope of the issue:
 
-
   * Type of issue (e.g. buffer overflow, SQL injection, cross-site scripting, etc.)
   * Full paths of source file(s) related to the manifestation of the issue
   * The location of the affected source code (tag/branch/commit or direct URL)
@@ -32,7 +31,6 @@ understand the nature and scope of the issue:
   * Proof-of-concept or exploit code (if possible)
   * Impact of the issue, including how an attacker might exploit the issue
 
-
 ## Preferred Languages
 
 We prefer all communications to be in English.