Trend Micro, Inc.

January 2021

Trend Micro Apex One™ (Mac) Patch 2 Critical Patch


This readme file is current as of the date above. However, all customers are advised to check Trend Micro's website for documentation updates at

Register online with Trend Micro within 30 days of installation to continue downloading new pattern files and product updates from the Trend Micro website. Register during installation, or online at



  1. About Apex One (Mac)
  2. What's New
  3. Document Set
  4. System Requirements
  5. Installation
  6. Post-installation Configuration
  7. Known Issues
  8. Contact Information
  9. About Trend Micro
  10. License Agreement

1. About Apex One (Mac)

Apex One (Mac) provides the latest endpoint protection against security risks, blended threats, and platform independent web-based attacks.

The Apex One (Mac) server is a plug-in program integrated with Trend Micro products such as Apex One and Worry-free Business Security and installed through the Plug-in Manager framework. The Apex One (Mac) server deploys Security Agents to Mac computers.

Back to top

2. What's New

Resolved Known Issues

This release of Apex One (Mac) resolves the following product issues:

Issue 1: High system memory usage might result when the Virus Scan Engine is scanning a file.
Solution 1: This critical patch updates the VSAPI module to resolve this issue.

Issue 2: The Security Agent is unable to update the server certificate if the registration status is unsuccessful.
Solution 2: This critical patch changes the task type to resolve this issue.

Issue 3: Using the netfilter system extension may cause a memory leak.
Solution 3: This critical patch updates the iCoreService module to resolve this issue.

Issue 4: Duplicate IIS header "Strict-Transport-Security" might cause the IIS service to be unresponsive.
Solution 4: This critical patch removes the Apex One (Mac) "Strict-Transport-Security" setting to resolve this issue.

Back to top

Files Changed in this Release

Filename Build Number
------------------------------ ---------------
System.Net.Http.Formatting.dll 5.2.30128.0
System.Web.Http.dll 5.2.30128.0
System.Web.Http.WebHost.dll 5.2.30128.0
System.Net.Http.Formatting.dll 5.2.30128.0
System.Web.Http.dll 5.2.30128.0
System.Web.Http.WebHost.dll 5.2.30128.0
ServerInfoOld.plist,0 *
website.pem *
activemq-all-5.15.9.jar *
activemq-broker-5.15.9.jar *
activemq-client-5.15.9.jar *
activemq-console-5.15.9.jar *
activemq-jaas-5.15.9.jar *
activemq-kahadb-store-5.15.9.jar *
activemq-openwire-legacy-5.15.9.jar *
activemq-spring-5.15.9.jar *
activemq-web-5.15.9.jar *
activemq-camel-5.15.9.jar *
mqtt-client-1.15.jar *
activemq-amqp-5.15.9.jar *
activemq-http-5.15.9.jar *
activemq-jdbc-store-5.15.9.jar *
activemq-jms-pool-5.15.9.jar *
activemq-leveldb-store-5.15.9.jar *
activemq-log4j-appender-5.15.9.jar *
activemq-mqtt-5.15.9.jar *
activemq-partition-5.15.9.jar *
activemq-pool-5.15.9.jar *
activemq-runtime-config-5.15.9.jar *
activemq-shiro-5.15.9.jar *
activemq-stomp-5.15.9.jar *
jackson-annotations-2.9.8.jar *
jackson-core-2.9.8.jar *
jackson-databind-2.9.8.jar *
proton-j-0.31.0.jar *
apache-jsp-9.2.26.v20180806.jar *
apache-jstl-9.2.26.v20180806.jar *
jetty-all-9.2.26.v20180806.jar *
web.config * * *
server.ini *
server.ini.etag * * * *
web.config *
privileges_other_settings.htm *
Getting-Help_001.html *
Keeping-Protection-U_001.html *
Managing-the-Server-_001.html *
Preface_001.html *
Product-Terminology-_001.html *
Protecting-Endpoints_002.html *
Protecting-Endpoints_003.html *
jquery-3.5.1.min.js *
l10n_privileges_other_settings.js *
Global.asax *
NLog.config *


Back to top


3. Document Set

The documentation set for Apex One (Mac) includes the following:

View and download product documentation at:

Back to top

4. System Requirements

Visit the following web pages:


Back to top

5. Installation

Visit the following web pages:

Note: Some files and file paths for the Security Agent are changed in this release. To deploy the Security Agent using a mobile device management (MDM) profile, configure the required settings as stated on


Back to top

6. Post-installation Configuration

Visit the following web pages:

For step-by-step instruction on how to enable system permissions and browser extensions for the Security Agent, visit the following web pages:

Back to top

7. Known Issues

7.1 Limitation When Configuring Scan Time Machine for Manual and Scheduled Scan

Problem: After enabling the Scan Time Machine option for Manual Scan and Scheduled Scan, Apex One (Mac) cannot perform any actions (clean, quarantine, or delete) on detected malware threats due to a permission limitation in Mac OS. Configured scan actions display as unsuccessful in the product logs.

7.2 Endpoint Sensor Processing Limitation

Problem: Endpoint Sensor processing of files on Mac endpoints is case insensitive. Historical investigation results on the Apex Central console include all entries for a file name with different capitalization.

7.3 File Name Changes in Historical Investigation

Problem: When performing a historical investigation on Apex One (Mac) endpoints, the system replaces a slash (/) with a colon (:) in file names, preventing users from searching for file names that contain slashes in investigation results.

Workaround: To resolve this issue, use a colon (:) to search for files.


Back to top

8. Contact Information

A license to the Trend Micro software usually includes the right to product updates, pattern file updates, and basic technical support for one (1) year from the date of purchase only. After the first year, Maintenance must be renewed on an annual basis at Trend Micro's then-current Maintenance fees.

You can contact Trend Micro via fax, phone, and email, or visit us at

Evaluation copies of Trend Micro products can be downloaded from our website.

Global Mailing Address/Telephone numbers

For global contact information in the Asia/Pacific region, Australia and New Zealand, Europe, Latin America, and Canada, refer to

The Trend Micro "About Us" screen displays. Click the appropriate link in the "Contact Us" section of the screen.

Note: This information is subject to change without notice.

Back to top

9. About Trend Micro

Trend Micro Incorporated, a global leader in Internet content security and threat management, aims to create a world safe for the exchange of digital information for businesses and consumers. A pioneer in server-based antivirus with over 20 years experience, we deliver top-ranked security that fits our customers' needs, stops new threats faster, and protects data in physical, virtualized and cloud environments. Powered by the Trend Micro™ Smart Protection Network™ infrastructure, our industry-leading cloud-computing security technology and products stop threats where they emerge, on the Internet, and are supported by 1,000+ threat intelligence experts around the globe. For additional information, visit

Copyright 2021, Trend Micro Incorporated. All rights reserved. Trend Micro, the Trend Micro t-ball logo, Apex One, and Worry-Free are trademarks or registered trademarks of Trend Micro, Incorporated. All other product or company names may be trademarks or registered trademarks of their owners.

Back to top

10. License Agreement

Information about your license agreement with Trend Micro can be viewed at

Third-party licensing information can be viewed from the About page on the Apex One (Mac) web console.

Back to top