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Fire Ant Exploits VMware Flaws to Compromise ESXi Hosts and vCenter Environments

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Virtualization and networking infrastructure have been targeted by a threat actor codenamed Fire Ant as part of a prolonged cyber espionage campaign. The activity, observed this year, is primarily designed Now to infiltrate organizations' VMware ESXi and vCenter environments as well as network appliances, Sygnia said in a new report published today. "The threat actor leveraged combinations of
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Critical Mitel Flaw Lets Hackers Bypass Login, Gain Full Access to MiVoice MX-ONE Systems

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Mitel has released security updates to address a critical security flaw in MiVoice MX-ONE that could allow an attacker to bypass authentication protections. "An authentication bypass vulnerability has been identified in the Provisioning Manager component of Mitel MiVoice MX-ONE, which, if successfully exploited, could allow an unauthenticated attacker to conduct an authentication bypass attack
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CastleLoader Malware Infects 469 Devices Using Fake GitHub Repos and ClickFix Phishing

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Cybersecurity researchers have shed light on a new versatile malware loader called CastleLoader that has been put to use in campaigns distributing various information stealers and remote access trojans (RATs). The activity employs Cloudflare-themed ClickFix phishing attacks and fake GitHub repositories opened under the names of legitimate applications, Swiss cybersecurity company PRODAFT said in
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Sophos and SonicWall Patch Critical RCE Flaws Affecting Firewalls and SMA 100 Devices

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Sophos and SonicWall have alerted users of critical security flaws in Sophos Firewall and Secure Mobile Access (SMA) 100 Series appliances that could be exploited to achieve remote code execution.  The two vulnerabilities impacting Sophos Firewall are listed below - CVE-2025-6704 (CVSS score: 9.8) - An arbitrary file writing vulnerability in the Secure PDF eXchange (SPX) feature can lead
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China-Based APTs Deploy Fake Dalai Lama Apps to Spy on Tibetan Community

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The Tibetan community has been targeted by a China-nexus cyber espionage group as part of two campaigns conducted last month ahead of the Dalai Lama's 90th birthday on July 6, 2025. The multi-stage attacks have been codenamed Operation GhostChat and Operation PhantomPrayers by Zscaler ThreatLabz. "The attackers compromised a legitimate website, redirecting users via a malicious link and
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