What is the Crowdstrike update? Here's what to do to solve the blue screen error...

After the Crowdstrike update, interruptions occurred in the Windows operating system used by banks, airports, supermarkets and many companies in different sectors around the world. After the Crowdstrike update released, the things to do for users who encountered a blue screen error known as 'blue screen of death' were listed.


Following the update released by CrowdStrike, a cybersecurity technology company, Microsoft's applications and programs were disrupted, negatively affecting many users as well as the aviation and banking sectors.

WHAT IS CROWDSTRIKE UPDATE?

On July 19, 2024, an update sent to Windows servers by CrowdStrike caused widespread system outages around the world. The update caused a problem known as a “blue screen error”, causing computers to go down. This caused major disruptions in many industries, including airlines, banking, media and telecommunications.

The problem was caused by a bug in CrowdStrike's update. The update was intended to fix security vulnerabilities, but unexpectedly caused system crashes.

The problem only affected Windows servers. Mac and Linux systems were not affected.


WHAT TO DO TO SOLVE BLUE SCREEN ERROR

After realizing the issue, CrowdStrike withdrew the update and released a fix. This fix was installed on affected systems to resolve the issue.

1. Start Windows in Safe Mode or Windows Recovery Environment.

2. Navigate to the C:\Windows\System32\drivers\CrowdStrike directory.

3. Find the file matching “C-00000291*.sys?” and delete it.

4. Start the computer normally.

Experts cautioned to be careful against possible ransomware attacks as computers become temporarily vulnerable during this process

Recommended security measures include;

“Creating detection rules in the SIEM system for IOAs and IOCs written over XDR,

Absolutely disabling local admin users or changing their passwords via GPO,

Continuous monitoring of traffic from countries such as China and Russia,

Measures such as continuously checking the timeliness and security of backup systems.”