Windows Security

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How to defend Office 365 from spear-phishing attacks

A recent successful zero-day Flash attack began with a spear-phishing email. These Windows 10 and Office 365 settings could have prevented it.

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Center for Internet Security releases Microsoft 365 benchmarks

Follow the guidance in this CIS document to configure Microsoft 365 security settings to the level that suits your organization.

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Temporary micropatch available for zero-day Windows exploit

A publicly disclosed Windows zero-day vulnerability could allow attackers to take full control of systems once they compromise a low-privilege account. Here's a fix.

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I can get and crack your password hashes from email

Malicious hackers can use a simple trick to get your Windows computer to authenticate to a remote server that captures your password hash — just by sending you an email. Take these steps to test for the vulnerability.

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How to enable audit logs in Microsoft Office 365

Audit logging of Office 365 mail reads makes forensics investigations of attacks much easier. Here's how to make sure it's enabled.

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Best resources for setting up Microsoft Office 365 security

Office 365 presents admins with many choices and options. These information sources, online forums and script repositories can help you make the right decisions.

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How to set Microsoft Office 365 ATP policies to block malicious URLs

Windows Advanced Threat Protection allows admins to set link filters for email messages and attachments in Outlook.

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How to set up data loss prevention rules in Microsoft Office 365

Most data leakage occurs via emai. Set Office 365 DLP policies to stop sensitive data from leaving your organization.

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How to set up multifactor authentication for Office 365 users

Requiring MFA for some or all Microsoft Office 365 users will better protect your network and email system from attacks.

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How to stop malicious email forwarding in Outlook

Microsoft Office 365 administrators can use these settings to find and delete hidden rules attackers use to intercept Outlook email messages.

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How to use Windows Update Delivery Optimization to distribute updates across your network

These are the Delivery Optimization settings you need to know to deliver feature and security updates without using Windows Software Update Services.

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How to script Windows 10 security update installs

You can download Microsoft Windows updates for later deployment across your network. Here's how you script the process.

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How to take control of Windows 10 security update settings

It's often wise to defer Windows 10 or Server 2019 security updates to let the glitches shake out. Here are the settings needed to make that happen.

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How to use PowerShell to scan for Windows 10 security updates

Want to review Windows 10 security updates and patches before installing them? Run this PowerShell command.

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Experience an RDP attack? It’s your fault, not Microsoft’s

Follow Microsoft's basic security guidelines for Remote Desktop Protocol and you'll shut down hackers who try to exploit it.

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How Microsoft's Controlled Folder Access can help stop ransomware

Part of Windows Defender in recent updates of Windows 10 and Windows Server, Controlled Folder Access can prevent malware from accessing or changing designated files.

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10 top security enhancements in Windows Server 2019

This new version of Windows Server offers several significant security upgrades over Server 2016, including tools to track ransomware and other malware, and to track lateral movement attacks.

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What is an RDP attack? 7 tips for mitigating your exposure

Microsoft's Remote Desktop Protocol has become a popular attack vector. Here's what you need to know about the threat.

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