How-Tos

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How to manage Microsoft Windows BitLocker

Use these techniques to inventory your network to determine which devices have BitLocker.

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How to use the setfactl and getfactl commands: 2-Minute Linux Tips

In this Linux tip, learn how to use the setfacl and getfacl commands. They allow you to establish and report on file permissions that reach beyond the traditional read, write and execute permissions on Linux systems.

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How to use the rev command: 2-Minute Linux Tips

In this Linux tip, learn the command that reverses text – the rev (reverse) command. At first glance, this command may not seem helpful. But, there are times that it can be quite useful.

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How to set up Microsoft Cloud App Security

This new add-on will let you set up alerts about suspicious sign-on activity for Office 365 and other cloud apps.

Microsoft Cloud App Security

How to set up Microsoft Cloud App Security

Microsoft's Cloud App Security add-on will alert you to suspicious sign-in activity in Office 365, Azure and other cloud apps using standard templates or custom policies.

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How basic file permissions work: 2-Minute Linux Tips

In this Linux Tip, learn how to read and understand basic file permissions. Once you understand file permissions, you can analyze and reassign them.

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How to tell which Microsoft Office patching process to use

How you download and deploy Microsoft Office patches depends on the version and license type you have. Here's how to determine which process to use.

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How to use the awk command: 2-Minute Linux Tips

In this Linux Tip, learn how to use the awk command. You can use it to select one or more pieces of text from lines of input.

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How to use the new Microsoft 365 Business Conditional Access feature

Microsoft 365 Conditional Access lets you automate conditional access controls for cloud applications. If you haven't enabled it yet, you should.

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Get month-over-month comparisons in R

See various ways to calculate month-over-month, week-over-week, and year-over-year comparisons in R using dplyr and lubridate.

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How to use the stat command: 2-Minute Linux Tips

In this Linux tip, Sandra will show you how to use the stat command. It provides a lot of the same information as ls -l, but in a very different format. It also includes some useful additional information.

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Free Course: Learn to install and configure Splunk

In partnership with tech training provider Pluralsight, CSO is offering free, limited-time access to the course “Installing and Configuring Splunk.”

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8 steps to make sure Microsoft Windows 10 1903 is ready for deployment

Follow these steps to identify problems that might crop up when you update to the Windows 10 1903 release.

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How to send Slack messages with R

In this episode of Do More With R, Sharon shows you how to send Slack messages using R. It may not seem helpful at first, but there's plenty of uses. You can even use it to notify yourself or others when a lengthy R script finishes...

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How to use /dev/null: 2-Minute Linux Tips

In this Linux tip, learn how to use the /dev/null tool. You can send your outputs to /dev/null and it simply disappears. This is helpful when a command’s output isn’t interesting and you don't need to see it.

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How to disable basic authentication in Microsoft Office 365

If you've implemented multi-factor authentication, you should disable the default basic authentication to make sure attackers can't exploit it.

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How to use Azure Automation to issue Let's Encrypt certificates

Use Azure Automation with the Let's Encrypt free certificate authority to create, validate and install certificates on a firewall.

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How to set up password policies in Azure AD Password Protection

When was the last time you reviewed your password policy? It's probably time to update, and Microsoft Azure has a good tool to set up and manage that policy.

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