UAT-11587 Antino Backdoor Campaign Targeting Government and Policy Organizations Across Asia

The National Computer Emergency Response Team of the Philippines (CERT-PH) is issuing this advisory to ASEAN Member States and relevant government and cybersecurity organizations regarding a cyber espionage campaign attributed by Cisco Talos with high confidence to a China-nexus threat actor tracked as UAT-11587. The campaign has targeted government, national security, diplomatic, legislative, law-enforcement, policy, continue reading : UAT-11587 Antino Backdoor Campaign Targeting Government and Policy Organizations Across Asia

Active Exploitation of Possible SonicWall SSL VPN Vulnerability Leading to Ransomware Deployment

SonicWall has released an advisory regarding a malicious campaign targeting Gen 7 SonicWall firewalls through a possible zero-day vulnerability in the SSL VPN, which is being actively exploited to deploy ransomware. According to security researchers from Arctic Wolf and Huntress, threat actors have successfully compromised accounts even in environments with MFA enabled. Additionally, some fully continue reading : Active Exploitation of Possible SonicWall SSL VPN Vulnerability Leading to Ransomware Deployment

Critical Vulnerability in On-Premise SharePoint Servers (CVE-2025-53770)

Microsoft has released an official guide to mitigate ongoing attacks targeting a zero-day vulnerability in on-premises SharePoint Servers, while SharePoint Online in Microsoft 365 is not impacted. Tracked as CVE-2025-53770, security researchers from Eye Security shared their findings that this vulnerability is a variant of CVE-2025-49706, which Microsoft already addressed in the July 2025 Patch continue reading : Critical Vulnerability in On-Premise SharePoint Servers (CVE-2025-53770)

HazyBeacon Backdoor Observed in Attacks Against Southeast Asian Government Agencies

A malicious campaign attributed to the group “CL-STA-1020” has been observed targeting government agencies in Southeast Asia, leveraging a previously undocumented Windows backdoor, dubbed HazyBeacon. According to a security researcher from Unit 42, “This backdoor leverages a novel C2 technique in which the backdoor establishes C2 communication via AWS Lambda URLs.” Additionally, the motive behind continue reading : HazyBeacon Backdoor Observed in Attacks Against Southeast Asian Government Agencies

Microsoft Releases June 2025 Patch Tuesday Security Updates

Microsoft has released its June 2025 Patch Tuesday security updates, addressing multiple vulnerabilities across its products, including one that has been detected as exploited in the wild. Tracked as CVE-2025-33053, a vulnerability in WebDAV that could allow an unauthorized attacker to execute code over a network. A security researcher from Check Point Research has uncovered continue reading : Microsoft Releases June 2025 Patch Tuesday Security Updates