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Copenhagen, March 10th, 2021 – Heimdal™ Security (Heimdal™), a leading global provider of an all-encompassing cybersecurity suite comprising threat prevention, vulnerability management, endpoint detection, PAM, application control, and e-mail security, today announces an emergency intervention to fix any vulnerabilities associated with the Microsoft Exchange Server Exploit.

Following the dire news of tens of thousands of institutions and organizations being hit after the 4 new Microsoft Exchange Server vulnerabilities were revealed last week (CVE-2021-26855, CVE-2021-26857, CVE-2021-26858, and CVE-2021-27065), Heimdal™ began pushing an automatic update to patch these vulnerabilities by default for all of their customers.

After warning their customers and the public about the potential danger regarding the Microsoft Exchange Server zero-days a week ago, Heimdal™ is ready to push this automatic fix for any customers who postponed applying the necessary patches.

They are also open to counseling any organization which might be dealing with a bad Microsoft Exchange Server aftermath and help set up an automated patching system (through the innovative Heimdal™ Patch & Asset Management solution) for them to prevent any similar situation in the future.

About Heimdal™ Security

Heimdal™ Security is a strongly emerging cybersecurity provider established in 2014 in Copenhagen, currently spanning offices across the world. With a spectacular year-over-year growth and an impressive ahead-of-the-curve approach to threatscape trends, Heimdal™ Security is the go-to solution for unified, intelligent cybersecurity made easy. In March 2020, Heimdal™ Security was acquired by Marlin Equity Partners, fueling its networks of growth and distribution even further.


Sehr geehrte Damen und Herren ,
ich habe von diesen Angriffen gehört, aber ich habe keine Ahnung ob ich selbst betroffen bin. Macht Heimdal dieses Patching automatisch bei Privatnutzer ?
Mit freundlichen Grüßen
Lena Kästner

I have cyber security with ESET and I think if I install your security system it will clash.
Also I have received notification to upgrade from Microsoft – will that contain these patches and should I go ahead with them?

Miriam Cihodariu on March 10, 2021 at 5:34 pm

Hi Mary, thank you for the comment. It will not clash, that’s one of the strengths of our product suite, that it’s cross-compatible.

The patches from Microsoft are safe to install and you should do it, of course, as soon as you can, as they contain fixes for these critical vulnerabilities discovered.

By having a security product such as Heimdal Patch and Asset Management you would make sure that these patches are automatically deployed on all your devices as soon as they are released, so you wouldn’t wait anymore and leave attackers a window of opportunity.

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