Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

Nearly everyone has had “that cold,” the one where most symptoms have resolved except that lingering cough. The cough can continue for weeks or months, all while you feel mostly well across the board. In cybersecurity, an advanced persistent threat (APT) is your IT environment’s lingering cough, albeit a much more damaging one. An APT stealthily gains initial access to your company’s systems and networks, then hides within them to complete objectives.

CVE-2025-53770 and CVE-2025-53771 are critical remote code execution vulnerabilities (CVSS base score 9.8) impacting Microsoft SharePoint, a widely deployed enterprise collaboration and content management platform. In this blog, we will simulate the exploitation of this SharePoint RCE vulnerability and analyze the resulting telemetry inside Graylog.

Driving along on a dark highway late at night, you feel a jolt and hear a metallic crushing sound as your car hits an unknown object in the road. You nervously continue on your journey, until you see a bright light flashing on your dashboard. Your oil pressure is low because your car has been leaking oil since you hit that unknown object on the highway. Much like an unknown object in the road that leads to a slow leak, a network vulnerability can lead to a devastating data leakage or breach.