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CypherLoc is a sophisticated browser-lock scareware designed to drive victims to fraudulent tech support calls. It evades scanners and sandboxes by executing in an encrypted, condition-based manner inside the browser. Security teams should have robust …
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CISA has issued an urgent alert warning organizations about two newly disclosed zero-day vulnerabilities affecting Microsoft Defender, both added to the Known Exploited Vulnerabilities (KEV) catalog on May 20, 2026. CVE-2026-45498: Microsoft Defender D…
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The U.S. Federal Bureau of Investigation (FBI) has issued a Public Service Announcement (Alert I-052126-PSA) warning about a newly identified Phishing-as-a-Service (PhaaS) platform named Kali365, which is actively targeting Microsoft 365 users. First o…
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Despite Internet Explorer’s retirement, hackers are abusing the legacy MSHTA utility in stealthy fileless malware attacks targeting Windows users.
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The ongoing TeamPCP software supply chain campaign has compromised the official Microsoft DurableTask Python client, a widely used package for orchestrating workflows in Python applications. Three versions of the durabletask package on PyPI, 1.4.1, 1.4…
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Fox Tempest, a financially motivated threat actor, has been linked to a large-scale malware-signing-as-a-service (MSaaS) operation that abused Microsoft’s Artefact Signing platform to enable cybercriminals to distribute malicious software that appeared…
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Microsoft is rolling out a key security change in its Edge browser to stop saved passwords from being loaded into memory as soon as the browser starts. The move comes after a security researcher showed that Edge was decrypting and keeping all stored pa…
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Microsoft has announced it will retire the “Together mode” feature in Microsoft Teams, marking a shift toward simplified meeting layouts designed to improve performance, usability, and consistency across devices. The change, confirmed by Microsoft Prod…
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Microsoft has acknowledged a growing issue affecting Windows 11 users: the May 2026 cumulative update (KB5089549) fails to install, resulting in error code 0x800f0922. The problem is affecting systems running Windows 11 versions 24H2 and 25H2, raising …
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Hackers are rapidly weaponizing a little-known Microsoft authentication feature to hijack enterprise accounts, as device code phishing surges across the threat landscape. The spike in activity is closely tied to the public release of criminal toolkits …
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