Windows Security

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Microsoft Windows  >  Defending against attacks

Why small businesses should consider Microsoft Defender for Business

Defender for Business brings EDR and threat monitoring features found in more expensive Windows licenses to smaller organizations.

Antivirus / virus alert / warning / security threats / protection from attack

How to configure Microsoft Defender for cloud-based attacks

Malware delivered through cloud services such as OneDrive or SharePoint will try to disable and evade Defender. These simple settings will help prevent that.

browser security

New Windows browser security options and guidance: What you need to know

Microsoft has added new Edge update options and enhanced browser security modes, including a beta Super Duper Secure Mode.

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Microsoft's very bad year for security: A timeline

Microsoft has had a horrible 2021, with vulnerabilities impacting its biggest services.

A laptop displays binary code and the flag of China.

Chinese APT group IronHusky exploits zero-day Windows Server privilege escalation

The attackers used the exploit to deploy a new remote shell Trojan called MysterySnail.

network security / secure connections / integrated system of locks

Time to check software and security settings for Windows network vulnerabilities

October is Cybersecurity Awareness Month, and that's a good excuse to review what's running on your network to identify security risks.

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Microsoft Exchange Emergency Mitigation: What admins need to know

The Emergency Mitigation service adds protections to Exchange Server in the wake of recent zero-day compromises.

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How to mitigate the Microsoft Office zero-day attack

Follow this advice to block malicious Office files from doing harm to your network even if you've implemented Microsoft's recommended actions.

access control / authentication / privileges / security / key

NTLM relay attacks explained, and why PetitPotam is the most dangerous

Attackers can intercept legitimate Active Directory authentication requests to gain access to systems. A PetitPotam attack could allow takeover of entire Windows domains.

Microsoft Windows security  >  Windows laptop + logo with binary lock and key

5 steps to improve security on network PCs that can’t run Windows 11

Many networked systems will not be compatible with Windows 11 and its advanced security features. Here's how to keep Windows 10 devices from being a weak link.

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How Windows admins can get started with computer forensics

Analyzing forensics logs requires a unique approach. Here are the basics of what you need to know and the tools to use.

Security system alert, warning of a cyberattack.

Wave of native IIS malware hits Windows servers

IIS malware presents diverse, persistent, and growing threats from old and new threat actors.

One lock in a series is unlocked / weakness / vulnerability

6 vulnerabilities Microsoft hasn't patched (or can't)

Your IT and security admins need to be aware of these unpatched Microsoft vulnerabilities so that they can mitigate them in other ways.

cyber attack alert

The most dangerous (and interesting) Microsoft 365 attacks

APT groups are developing new techniques that allow them to avoid detection and exfiltrate hundreds of gigabytes of data from emails, SharePoint, OneDrive, and other applications.

ransomware attack

How to prepare your Windows network for a ransomware attack

Removing barriers to hardening your Windows network and planning your response will minimize disruption from a ransomware attack.

A vault door security mechanism with abstract circuits. / increase security / harden against attacks

Best Mitre D3FEND advice to harden Windows networks

Mitre's recently released D3FEND matrix offers sound guidance for any security admin or CISO looking to harden a Windows network against attack.

Windows 11 PC devices

Windows 11 hardware requirements will drive security update decisions

Windows 11 is Microsoft's most security-oriented OS ever, but will your network-connected computers support it? Here's how to tell.

Windows 11 PC devices

Windows 11's best security features

Windows 11 uses some of the best security features of Windows 10. The big difference is that many are now required.

Microsoft Windows security  >  Windows laptop + logo with binary lock and key

PrintNightmare vulnerability explained: Exploits, patches, and workarounds

Public exploits are available for a remote code execution vulnerability in the Windows Print Spooler that could allow attackers to take full control of systems. The vulnerability affects all editions of Windows and organizations are...

Windows security and protection [Windows logo/locks]

How to check for Active Directory Certificate Services misconfigurations

Recently discovered Microsoft Windows AD CS configuration errors could give attackers account and domain control. Here's how to audit AD CS for vulnerable configurations.

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