All posts tagged "Microsoft"

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  1.5K

  Malware

  State-Backed Hackers Using Ransomware as a Decoy for Cyber Espionage Attacks

  A China-based advanced persistent threat (APT) group is possibly deploying short-lived ransomware families as a decoy to cover up the true operational...

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  4.4K

  Malware

  BlackCat Ransomware Gang Targeting Unpatched Microsoft Exchange Servers

  Microsoft is warning that the BlackCat ransomware crew is leveraging exploits for unpatched Exchange server vulnerabilities to gain access to targeted networks....

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  5.1K

  Malware

  A Microsoft Office 365 Feature Could Help Ransomware Hackers Hold Cloud Files Hostage

  A “dangerous piece of functionality” has been discovered in Microsoft 365 suite that could be potentially abused by a malicious actor to...

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  577

  Vulnerabilities

  Researchers Warn of Unpatched “DogWalk” Microsoft Windows Vulnerability

  An unofficial security patch has been made available for a new Windows zero-day vulnerability in the Microsoft Support Diagnostic Tool (MSDT), even...

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  2.7K

  Cyber Attack

  Microsoft Blocks Iran-linked Lebanese Hackers Targeting Israeli Companies

  Microsoft on Thursday said it took steps to disable malicious activity stemming from abuse of OneDrive by a previously undocumented threat actor...

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  4.9K

  Vulnerabilities

  Microsoft Releases Workarounds for Office Vulnerability Under Active Exploitation

  Microsoft on Monday published guidance for a newly discovered zero-day security flaw in its Office productivity suite that could be exploited to...

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  2.1K

  Vulnerabilities

  Watch Out! Researchers Spot New Microsoft Office Zero-Day Exploit in the Wild

  Cybersecurity researchers are calling attention to a zero-day flaw in Microsoft Office that could be abused to achieve arbitrary code execution on...

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  189

  Malware

  Hackers Trick Users with Fake Windows 11 Downloads to Distribute Vidar Malware

  Fraudulent domains masquerading as Microsoft’s Windows 11 download portal are attempting to trick users into deploying trojanized installation files to infect systems...

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  2.0K

  Malware

  Hackers Gain Fileless Persistence on Targeted SQL Servers Using a Built-in Utility

  Microsoft on Tuesday warned that it recently spotted a malicious campaign targeting SQL Servers that leverages a built-in PowerShell binary to achieve...

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  2.0K

  Cyber Attack

  Russian Hackers Targeting Diplomatic Entities in Europe, Americas, and Asia

  A Russian state-sponsored threat actor has been observed targeting diplomatic and government entities as part of a series of phishing campaigns commencing...

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  2.3K

  Cyber Attack

  Microsoft Documents Over 200 Cyberattacks by Russia Against Ukraine

  At least six different Russia-aligned actors launched no less than 237 cyberattacks against Ukraine from February 23 to April 8, including 38...

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  3.0K

  Vulnerabilities

  Microsoft Discovers New Privilege Escalation Flaws in Linux Operating System

  Microsoft on Tuesday disclosed a set of two privilege escalation vulnerabilities in the Linux operating system that could potentially allow threat actors...

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  1.4K

  Malware

  Emotet Testing New Delivery Ideas After Microsoft Disables VBA Macros by Default

  The threat actor behind the prolific Emotet botnet is testing new attack methods on a small scale before co-opting them into their...

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  4.5K

  Vulnerabilities

  Hackers Exploiting Recently Reported Windows Print Spooler Vulnerability in the Wild

  A security flaw in the Windows Print Spooler component that was patched by Microsoft in February is being actively exploited in the...

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  4.2K

  Malware

  Microsoft Disrupts ZLoader Cybercrime Botnet in Global Operation

  Microsoft and a consortium of cybersecurity companies took legal and technical steps to disrupt the ZLoader botnet, seizing control of 65 domains...

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  2.3K

  Data Breach

  Microsoft and Okta Confirm Breach by LAPSUS$ Extortion Group

  Microsoft on Tuesday confirmed that the LAPSUS$ extortion-focused hacking crew had gained “limited access” to its systems, as authentication services provider Okta...

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  3.5K

  Cyber Attack

  Microsoft Finds FoxBlade Malware Hit Ukraine Hours Before Russian Invasion

  UPDATE: It’s worth noting that the malware Microsoft tracks as FoxBlade is the same as the data wiper that’s been denominated HermeticWiper...

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  2.1K

  Malware

  Microsoft Warns of ‘Ice Phishing’ Threat on Web3 and Decentralized Networks

  Microsoft has warned of emerging threats in the Web3 landscape, including “ice phishing” campaigns, as a surge in adoption of blockchain and...

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  3.1K

  Malware

  Microsoft Disables Internet Macros in Office Apps by Default to Block Malware Attacks

  Microsoft on Monday said it’s taking steps to disable Visual Basic for Applications (VBA) macros by default across its products, including Word,...

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  896

  Malware

  Microsoft Temporarily Disables MSIX App Installers to Prevent Malware Abuse

  Microsoft last week announced that it’s temporarily disabling the MSIX ms-appinstaller protocol handler in Windows following evidence that a security vulnerability in...

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  3.9K

  Malware

  New Variant of UpdateAgent Malware Infects Mac Computers with Adware

  Microsoft on Wednesday shed light on a previously undocumented Mac trojan that it said has undergone several iterations since its first appearance...