Camera or Microphone Not Working In macOS Mojave Apps

If you're having an issue getting your camera or microphone working in certain apps after upgrading your Mac to macOS Mojave, it could be related to some of the new security and privacy features. In previous macOS versions, any application could gain control over these devices with or without you knowing. As a part of [...]

By |2019-01-03T15:28:35-05:00January 4th, 2019|Categories: Mac|Tags: , , , , , , , , , |0 Comments

How to Fix Authentication Error Function Not Supported CredSSP Error RDP

In March 2018, Microsoft released the CredSSP Updates for CVE-2018-0886, which is a vulnerability that could allow for remote code execution in unpatched versions of CredSSP. It would allow an attacker to relay user credentials to execute code on a target system. According to this Microsoft KB Article, they initially released an update in March. [...]

How To Upgrade NGINX To Latest Stable Version On Ubuntu

If you followed my previous guides for LEMP Install NGINX PHP7 MySQL on Ubuntu 16.04 Server then you probably installed NGINX from the Ubuntu repo. Unfortunately, the version in the Ubuntu repo doesn't get updated very often, so depending on how long ago you installed NGINX, you might be pretty far behind in versions. Newer [...]

By |2018-04-17T15:05:06-05:00April 17th, 2018|Categories: Linux, Server Hardening, System Administration|Tags: , , , , |0 Comments

Fix Hyperlinks Not Working In Outlook

I recently ran into an issue where Outlook 2016 on Windows 10 was giving me one of these errors whenever I would try to click on a link: "This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator" or "Your organization's policies are preventing us from completing [...]

How To Reset All Windows Security Settings To Default In Windows 10

If you recently tried applying a Group Policy or Local Policy in Windows and are having odd side effects, or notice the policy doesn't seem to be working as expected, you can try to reset / restore your local security policy settings to default in Windows 10, 8, 7, Vista and XP. I recently tried [...]

How To Disable NetBIOS on MacOS OS X

Even though my network has NetBIOS disabled in my Windows environment, including on the Windows DHCP server, the Mac OS X computers on the network still want to send NetBIOS requests. While monitoring network traffic using tools like Responder in Kali Linux or Wireshark, you can see the NetBIOS requests being sent. In my case, [...]

By |2017-02-16T15:10:13-05:00February 16th, 2017|Categories: Mac, Security, System Administration|Tags: , , , , , , |2 Comments

How To Harden MongoDB Server

MongoDB is "a document database that provides high performance, high availability, and easy scalability". In this chapter of our InfoSec System Hardening series, we'll walk you through some of the steps you can take to harden your MongoDB database server. You can refer to the MongoDB Server Documentation for more details about the commands and [...]

How To Harden An NGINX Web Server

The next segment in our InfoSec System Hardening series is how to harden an NGINX Web Server. NGINX is an alternative to the popular Apache Web Server on Linux. In this article, we'll show you some of the basics you'll want to take to secure your NGINX Web Server. To get started, you can follow [...]

How To Harden A MySQL Server

As with any server, whether it be a web server, file server, database server, etc, hardening is an important step in information security and protecting the data on your systems. This guide will show you some basics when it comes to hardening a MySQL Server. Most of these changes are simple lines to add into [...]

By |2017-01-16T15:38:43-05:00January 15th, 2017|Categories: Security, Server Hardening, System Administration|Tags: , , , , , |0 Comments

Adobe’s Latest Security Patch Installs Chrome Extension to Collect Data

Earlier this week, Adobe released some updates to fix security issues and vulnerabilities identified in Adobe Acrobat Reader. Twitter's @SwiftOnSecurity noticed a new Google Chrome extension for Adobe Acrobat after the update. According to the post, there is no mention of the new extension anywhere in Adobe's changelog and instead is installed without your knowing. [...]

By |2017-01-13T23:21:03-05:00January 13th, 2017|Categories: Security|Tags: , , , , , |4 Comments
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