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Attackers have not waited for Exploit Wednesday; the Microsoft Windows zero-day attacks have already started. Here’s what you need to know and do.

All modern Windows PCs come with Microsoft Defender built in. For the unaware, this tool is Windows’ native antivirus. Over time, it has matured into a reliable security tool capable of blocking a ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, May 15, 2025: This story, originally published May 14, ...

At least 11 state-backed hacking groups from North Korea, Iran, Russia, and China have been exploiting a new Windows vulnerability in data theft and cyber espionage zero-day attacks since 2017.

Five critical flaws in Dell laptops allow attackers to bypass Windows login, get admin control, and install undetectable malware. Vulnerabilities exploit Dell ControlVault hardware, impact business ...

Hackers are now exploiting the zero-day Windows vulnerability that a Google engineer took public last week, Microsoft confirmed today. Although Microsoft did not share details of the attack, other ...

Microsoft and Uncle Sam have warned that a Windows bug disclosed today is already under attack.… The flaw, tracked as CVE-2026-20805 and discovered by Microsoft's own threat intel team, allows an ...

Attackers are already actively exploiting two vulnerabilities for which Microsoft issued patches on Nov. 12 as part of its monthly security update. And they could soon begin targeting two other ...

One incredibly popular Windows tools has recently been updated to address a zero-day exploit that could give bad actors a chance to install malware on devices running older versions of the app. The ...