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SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)
SANS Stormcast Friday, Apr 4th: URL Frequency Analysis; Ivanti Flaw Exploited; WinRAR MotW Vuln; Tax filing scams; Oracle Breach Update
Apr 4, 2025
Discover how frequency analysis can predict malicious URLs and enhance cybersecurity. Learn about a recently exploited Ivanti vulnerability that was initially thought unexploitable. Dive into the WinRAR flaw that mismanages symlinks, potentially endangering users. Stay alert about Microsoft’s warning on rising tax-related scams as filing deadlines approach. Lastly, catch up on an Oracle breach impacting customer information, emphasizing the importance of secure online practices.
06:16
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Quick takeaways
- The use of frequency analysis on URL data from honeypots demonstrates potential for improving detection of malicious web activity in cybersecurity.
- Recent vulnerabilities in Ivanti and WinRAR highlight persistent threats from sophisticated attackers, emphasizing the importance of software updates and vigilance during tax season.
Deep dives
Analyzing Malicious Traffic
One key insight focuses on the analysis of URLs gathered by Honeypots to differentiate malicious traffic from normal activity. An intern developed a frequency analysis model comparing data from Honeypots with that of typical websites, aiming to refine the identification of cyber attacks. Although preliminary results show promise, the model requires further validation and additional data for improved accuracy. This ongoing work highlights the significance of automated log analysis and intrusion detection systems that leverage machine learning techniques to enhance cybersecurity measures.
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Discover
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