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Microsoft Fixes Known, Exploited Flaw in Windows Diagnostic Tool
The flaw was first reported to Microsoft in 2019, but at the time it said it did not consider the issue to be a vulnerability.
North Korean Threat Actors Target Small Businesses With Ransomware
The H0lyGh0st ransomware group has spent the last year targeting small and medium-sized businesses - but has not yet successfully extorted ransom payments from victims, said Microsoft researchers.
Microsoft Fixes Windows Flaw Under Active Attack
Microsoft fixed the flaw as part of its regularly-scheduled update, which includes over 80 critical and important-severity bugs.
Microsoft Exposes Phishing Campaign That Stole Session Cookies to Bypass MFA
Microsoft has identified a long, widespread phishing campaign that stole session cookies to bypass MFA and led to BEC and payment fraud.
Microsoft Rolls Back Strategy to Block Office Macros By Default
Security researchers say the choice by Microsoft to re-enable Office macros by default is "puzzling."