Remove tag email
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Microsoft 365 adds 'External' email tags for increased security

Bleeping Computer

Microsoft is working on boosting Exchange Online phishing protection capabilities by adding support for external email message tags to its cloud-based email service. [.].

Phishing 112
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Email Security Flaw Found in the Wild

Schneier on Security

Google’s Threat Analysis Group announced a zero-day against the Zimbra Collaboration email server that has been used against governments around the world. TAG has observed four different groups exploiting the same bug to steal email data, user credentials, and authentication tokens.

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Russia-linked APT TAG-70 targets European government and military mail servers exploiting Roundcube XSS

Security Affairs

An APT group, tracked as TAG-70, linked to Belarus and Russia exploited XSS flaws in Roundcube webmail servers to target over 80 organizations. Researchers from Recorded Future’s Insikt Group identified a cyberespionage campaign carried out by an APT group, tracked as TAG-70, linked to Belarus and Russia.

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Zimbra zero-day exploited to steal government emails by four groups

Security Affairs

Google TAG revealed that threat actors exploited a Zimbra Collaboration Suite zero-day ( CVE-2023-37580 ) to steal emails from governments. Google TAG researcher Clément Lecigne discovered the zero-day in June while investigating targeted attacks against Zimbra’s email server.

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Zero-Day Flaw in Zimbra Email Software Exploited by Four Hacker Groups

The Hacker News

A zero-day flaw in the Zimbra Collaboration email software was exploited by four different groups in real-world attacks to pilfer email data, user credentials, and authentication tokens. The flaw, tracked as CVE-2023-37580 (CVSS score:

Software 112
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Multiple APT groups exploited WinRAR flaw CVE-2023-38831

Security Affairs

Google TAG reported that both Russia and China-linked threat actors are weaponizing the a high-severity vulnerability in WinRAR. Google’s Threat Analysis Group (TAG) reported that in recent weeks multiple nation-state actors were spotted exploiting the vulnerability CVE-2023-38831 in WinRAR. ” reported Google TAG.

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Zimbra fixed actively exploited zero-day CVE-2023-38750 in ZCS

Security Affairs

Zimbra addressed a zero-day vulnerability exploited in attacks aimed at Zimbra Collaboration Suite (ZCS) email servers. Two weeks ago Zimbra urged customers to manually install updates to fix a zero-day vulnerability , now tracked as CVE-2023-38750 , that is actively exploited in attacks against Zimbra Collaboration Suite (ZCS) email servers.

Hacking 92