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Your best defense against cybersecurity threats is Windows 10. The most secure Windows ever built, Windows 10 delivers comprehensive protection—including anti-virus, firewall, Windows Defender, and anti-phishing technologies. It's all delivered built in at no extra cost to you.

Keep your devices up to date

Run the latest version of your Windows operating system.

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Back up data regularly

Safely store—and restore—copies of all your files and data.

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Protect against malware

Depend on built-in e-mail filtering and anti-spam capabilities.

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Rely on Microsoft

We’re committed to helping you with the security resources you need.

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Protect your devices with the latest Windows

One of the best things you should do to protect against cybersecurity threats like ransomware is to make sure your devices are up to date, regardless of the Windows operating system you’re using.

Already running Windows 10? Check your update status

Apply the latest updates across your organization

IT administrators should use existing systems management tools to apply the latest updates related to Microsoft Security Bulletin MS17-010.

Safely store a copy of your data

Whether you have a few devices at home, or are managing IT for an entire business, the best way to protect your data is to keep a copy, stored safely in another location than on your device. Learn how to back up—and restore—your files using File History in Windows.

Businesses can rely on SQL Server and Windows Server, with built-in backup capabilities, or Azure for both on-premises and cloud data.

Safeguard against malware and phishing

Protect your device against threats that often originate from unwanted e-mail. Reduce spam and malicious links by filtering your e-mail—a capability built in to services like Outlook.com —and always make sure anti-virus software, like Windows Defender, is turned on.

For businesses, anti-malware and anti-spam filtering are also built in to our cloud-based e-mail service, Exchange Online.

Get help from Microsoft

We’re in this together. Combined with our cybersecurity guidance for steps you can take, here are some additional ways we’re ready to help:

If you’re a home user, schedule a free Answer Desk appointment at your local Microsoft Store—and get all of your technology questions answered. Or contact us online.

If you need business support, contact your Microsoft representative or submit a request online and a support engineer will be in touch to help.

Windows security resources

More security resources for home

More security resources for businesses

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