Global tech outage causes CrowdStrike's stock to decline.

• CrowdStrike stock was downgraded by Guggenheim Securities analysts due to concerns about potential signings being affected after Friday's widespread Windows computer outage caused by a faulty CrowdStrike software update.
• During the weekend, individuals shared images of their Windows devices requiring maintenance.

On Monday morning, the cybersecurity software company's shares slipped as much as 13%, as it continued to assist clients across various industries in recovering from an outage that affected millions of Windows devices last week.

On Friday, Microsoft released a faulty update for its Falcon software, which led to crashes on PCs, computer servers in data centers, and display screens. This resulted in the grounding of flights and the cancellation of medical appointments. The update affected approximately 8.5 million Windows devices, which is less than 1% of the global total.

IT staffers swiftly remedied computer issues while hackers exploited the chaos by establishing fraudulent websites that mimicked software updates. CrowdStrike CEO George Kurtz discussed the predicament on CNBC with Jim Cramer.

On Friday, CrowdStrike shares dropped by 11%, but the fallout persisted. Over the weekend, social media users posted photos of Windows devices displaying the "blue screen of death," indicating the need for administrator attention. On Sunday, CrowdStrike announced it was testing a faster fix for affected machines.

CrowdStrike shares were downgraded from buy to neutral by Guggenheim Securities on Sunday, with analysts led by John DiFucci stating that the stock was still trading at a high multiple of recurring revenue across their software coverage.

The analysts predicted that it may take time for CrowdStrike to restore its reputation, and the resulting damage will likely impact its ability to attract new customers.

"Although we maintain the utmost respect for CrowdStrike's leadership team, we cannot confidently advise investors to purchase CRWD at this time due to the current incident."

CrowdStrike's buy rating was maintained by Goldman Sachs in a Monday note, but analysts at the investment bank predicted that the company's deals would take longer to close between the outage and the end of the fiscal second quarter on July 31.

Analysts led by Gabriela Borges wrote that our recent conversations confirm our belief that there will likely be minimal share shifts in endpoint post this event, although we acknowledge that more information in the postmortem may change this view.

In 2010, a McAfee outage caused computer crashes, which served as a precursor to last week's events. According to CEO Dave DeWalt, the revenue impact due to deferrals was about $6 million of deferred revenue not recognized from the balance sheet, and revenue was also negatively impacted by another approximately $14 million. Intel acquired the antivirus company in 2011.

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