Microsoft prepares to end support for its Windows 10 operating system on October 14, 2025. Approximately 32 million devices in Germany, accounting for around 65% of all household computers, still run on Windows 10.
This widespread reliance on an aging system has raised alarms among IT security experts, who warn of significant risks if users fail to upgrade.
A Call To Action
Thorsten Urbanski, an IT security expert from ESET, has urged users to act swiftly. “It’s five minutes to twelve to avoid a security fiasco for 2025,” he said.
Urbanski strongly advises users to upgrade to Windows 11 or switch to alternative operating systems if their devices are incompatible with the latest version.
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Failing to do so could leave systems vulnerable to cyberattacks, data breaches, and ransomware threats.
The risks are particularly acute for businesses. “Companies should plan the switch early,” Urbanski added. “Extending support is costly, and letting devices continue to run outdated systems is grossly negligent.”
He emphasized that outdated systems are prime targets for cybercriminals and can lead to severe consequences such as data loss, espionage, and financial damage.
Insurance companies may also refuse compensation in cases of cyber incidents if businesses fail to adhere to modern security standards.
A More Dangerous Situation Than Windows 7
The upcoming end of Windows 10 support poses a greater threat than the discontinuation of Windows 7 in early 2020. By late 2019, only 20% of users were still using Windows 7, with the majority already transitioning to Windows 10.
In contrast, Windows 10 remains dominant today, with Windows 11 adoption at just 33% (16.5 million devices) in Germany. This disparity provides cybercriminals with a larger pool of vulnerable targets once support ends.
The reliance on Windows 10 extends beyond Germany. In Austria and Switzerland, 63% and 56% of users, respectively, still use the operating system.
Across the DACH region (Germany, Austria, Switzerland), this amounts to over 35 million devices that will soon face heightened security risks.
Microsoft has announced extended paid support for Windows 10, which is now available to private users as well as businesses. However, the costs double each year, making it an expensive option.
For companies, failing to upgrade could lead to cybersecurity risks and compatibility issues with modern software and hardware, reduced productivity, and potential violations of data protection regulations.
With just two years until the end-of-support deadline, experts urge both individuals and organizations to take proactive steps.
Upgrading systems now can mitigate risks and ensure compliance with evolving cybersecurity standards. Waiting until October 2025 could leave millions exposed to a wave of cyberattacks targeting outdated systems.
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