Calenderweek 31 – WafdogBlog

Critical Citrix Vulnerabilities Lead to Widespread Cybersecurity Breaches

Multiple Citrix NetScaler ADC and Gateway servers have been compromised by attackers using a critical code injection vulnerability identified as CVE-2023-3519, reports the Shadowserver Foundation. This vulnerability, which Citrix addressed in a recent update, has a high severity rating of 9.8. The attacks mainly target servers in Germany, France, Switzerland, Italy, Sweden, Spain, Japan, China, …

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Russian Hackers Target Global Organizations Through Microsoft Teams

Since May 2023, a Russian hacker group known as APT29, Midnight Blizzard, UNC2452, or Cozy Bear, allegedly linked to Russia’s Foreign Intelligence Service (SVR), has been targeting international organizations, including government agencies, NGOs, IT service providers, technology, and media companies, using Microsoft Teams. Microsoft disclosed that the attacks involved social engineering tactics, primarily phishing campaigns …

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Mullvad’s Alert: Uncovering VPN Privacy Leaks in Android Devices

Mullvad, a VPN provider, has identified a privacy concern for Android users: devices may inadvertently leak information when connected to VPNs. This issue arises because Android performs connectivity checks outside the VPN tunnel, even with the “Block connections without VPN” security feature enabled. These checks, designed for functions like authenticating on captive portals, occur independently …

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Securing the Digital Horizon: Protecting Apache Tomcat Servers from Emerging Cyber Threats

Apache Tomcat, a widely used open-source server, provides support for Jakarta Servlet, Expression Language, and WebSocket technologies in a Java-based HTTP web server environment. It’s particularly popular among developers, with about 50% adoption rate, and plays a significant role in cloud services, big data, and web development. However, a new threat has been identified by …

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