【已复现】契约锁电子签章系统 pdfverifier 远程代码执行漏洞(QVD-2025-27432)安全风险通告
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The ransomware landscape witnessed a dramatic shift in June 2025 as the Qilin ransomware group surged to become the most active threat actor, recording 81 victims and representing a staggering 47.3% increase in activity compared to previous months. This Ransomware-as-a-Service operation, which has accumulated over 310 victims since its emergence, has distinguished itself through sophisticated […]
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