Investigating a threat intelligence alert triggered by a bit.ly URL, expanding the shortened link to its final destination, validating reputation across VirusTotal, and confirming the traffic was legitimate mobile application activity before closing as a false positive.
Investigating a threat intelligence alert tied to a known malicious URL, validating indicators across external and internal TI sources, correlating proxy and endpoint logs, and determining the activity was part of an authorized internal firewall test.
Investigating a threat intelligence alert after a server connected to a flagged URL, validating the IP, domain, and repository source, confirming legitimate GitHub activity, and closing the case as a false positive.
Investigating a command-injection alert after a URL triggered on the string “ls,” reviewing SIEM logs and threat intelligence data, and determining the activity was normal user browsing traffic that resulted in a false positive.
Investigating an internal phishing detection, reviewing email details, validating absence of attachments or malicious content, and determining a false positive.
Investigating a malware detection alert, validating the WinRAR installer hash using VirusTotal and Hybrid Analysis, reviewing SIEM logs, and determining a false positive.
Investigating a malicious executable detection alert, validating URL, domain, and IP reputation using VirusTotal and log analysis, and determining a false positive.
Investigating a malware detection alert, validating file reputation in VirusTotal, reviewing endpoint and log data, and determining a false positive.
