cybersecurity news

Microsoft urges customers to secure on-premises Exchange servers

Microsoft urges customers to secure on-premises Exchange servers

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January 28, 2023Ravie LakshmananEmail Security / Cyber ​​Threat Microsoft urges customers to keep their Exchange servers up to date and take steps to harden the environment, such as enabling Windows Extended Protection and configuring certificate-based signing of PowerShell serialization payloads. “Attackers looking to exploit unpatched Exchange servers aren’t going away,” the tech giant’s Exchange team …

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PlugX Malware

Researchers find new variant of PlugX malware spreading via removable USB devices

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January 27, 2023Ravie LakshmananEndpoint Security / Malware Cyber ​​security researchers discovered PlugX sample that uses sneaky methods to infect attached removable USB media devices to spread the malware to other systems. “This PlugX variant is worming and infects USB devices in such a way that it hides from the Windows operating file system,” Palo Alto …

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Microsoft

Microsoft Releases January Patch Tuesday 2023 Updates, Warns of Zero-Day Exploit

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The first Patch Tuesday patches shipped by Microsoft for 2023 fixed a total of 98 security flaws, including a bug that the company says is being actively exploited in the wild. 11 of the 98 issues are rated critical and 87 are rated important in terms of severity, with one of the vulnerabilities also listed …

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