AA21-077A: Detecting Post-Compromise Threat Activity Using the CHIRP IOC Detection Tool

Posted on Thursday March 18, 2021

date: March 18, 2021 | Last revised: April 15, 2021

Summary

Updated April 15, 2021: The U.S. Government attributes this activity to the Russian Foreign Intelligence Service (SVR). Additional information may be found in a statement from the White House. For more information on SolarWinds-related activity, go to...

 

How to install Windows 10 on your laptop

Posted on Wednesday March 17, 2021

Unboxing a new Windows 10 laptop is exciting, but before you start using it, there are a few things you need to do. You can ask a technician for help in setting up your new device, but here are a few things you can do on your own.

 

AA21-076A: TrickBot Malware

Posted on Wednesday March 17, 2021

date: March 17, 2021 | Last revised: May 20, 2021

Summary

This Joint Cybersecurity Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK®) framework, Version 8. See the...

 

Guidance for responders: Investigating and remediating on-premises Exchange Server vulnerabilities

Posted on Tuesday March 16, 2021

This guidance will help customers address threats taking advantage of the recently disclosed Microsoft Exchange Server on-premises vulnerabilities CVE-2021-26855, CVE-2021-26858, CVE-2021-26857, and CVE-2021-27065. Microsoft will continue to monitor these threats and provide updated tools and investigation guidance to help organizations defend against, identify, and remediate associated attacks.

 

One-Click Microsoft Exchange On-Premises Mitigation Tool – March 2021

Posted on Monday March 15, 2021

We have been actively working with customers through our customer support teams, third-party hosters, and partner network to help them secure their environments and respond to associated threats from the recent Exchange Server on-premises attacks. Based on these engagements we realized that there was a need for a simple, easy to use, automated solution that…

 

Here are some ransomware decryptor sites you should keep handy

Posted on Monday March 15, 2021

Ransomware is on the rise, but falling victim to one is not the end of the world. You can try some of these ransomware decryptors and maybe one of them will work. These are especially useful against automated “zombie” ransomware types.

 

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