ProActive Blog

Top Exploited Vulnerabilities in October 2025

The risk landscape is continuously evolving, requiring companies to regularly identify Common Vulnerabilities and Exposures (CVEs) and adapt their IT security strategies to stay ahead of emerging threats. A striking example of the evolution of risk is how the Ransomware as a Service (RaaS) group Qilin has ramped up their attacks this year. According to threat intelligence experts at Cisco Talos, in the second half of 2025, Qilin published information stolen during ransomware attacks at a rate of more than 40 cases a month, many targeting the manufacturing industry, making it the top ransomware group identified in October 2025.

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What Companies Need to Know About Exploited Vulnerabilities in August 2025

In August 2025, enterprises in a variety of industries were negatively affected by Common Vulnerabilities and Exposures (CVEs).Large enterprises and Fortune 500 companies that use Citrix NetScaler for Virtual Private Networks (VPNs) and load balancing fell victim tocriminal exploits.  

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Top Exploited Vulnerabilities in June 2025

To develop a strong cybersecurity posture, companies need to understand the evolving risk landscape. Regularly identifying Common Vulnerabilities and Exposures (CVEs) is critical for keeping your IT security strategy up to date 

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Top Exploited Vulnerabilities in 2025 and How to Defend Against Them

Ransomware successfully hit a high in May of 2025, targeting many victims. Email security and Security Awareness have failed to protect the organizations impacted in these incidents. To defend against exploits by bad actors, companies need to patch multiple Critical Zero-Day Common Vulnerabilities and Exposures (CVEs) ASAP, including: 

  • Qualcomm Chipset Zero-Day 
  • SAP Visual Composer Deserialization Zero-Day 
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