BlueHammer: The Windows Zero-Day Exploit That Turns Microsoft Defender Into a Privilege Escalation Weapon
YMP Admin
On April 3, 2026, a security researcher dropped a fully functional zero-day exploit on GitHub targeting every modern Windows OS. The vulnerability, dubbed BlueHammer, chains together five legitimate Windows features to escalate a low-privileged local user to full SYSTEM-level access. No patch exists. No CVE …
What Does CISA Stand For? The Cybersecurity and Infrastructure Security Agency and the CISA Certification Explained
The acronym “CISA” carries two distinct meanings, and both matter to any organization operating in today’s increasingly interconnected digital landscape. In government, CISA stands for the Cybersecurity and Infrastructure Security Agency, the federal body charged with protecting America’s cyber and physical infrastructure from adversaries ranging from …
What Is CISA? Cybersecurity and Infrastructure Security Agency
TL;DR:CISA (Cybersecurity and Infrastructure Security Agency) is a U.S. Department of Homeland Security agency established in November 2018. It safeguards the nation’s cyber and physical infrastructure across federal, state, local, tribal, and private sectors. CISA’s core roles include coordinating cybersecurity efforts, protecting critical infrastructure, managing …
