Defendnot is a tool developed by “es3n1n” that disables Windows Defender by exploiting the Windows Security Center (WSC) API to impersonate a legitimate antivirus. It registers itself as a phantom antivirus, requiring administrative privileges. While showcasing advanced reverse engineering techniques, security experts warn it could be misused by malware to disable security protections.

Endpoint Security Reimagined EDR vs XDR Comparison
The cybersecurity industry is shifting from endpoint protection (EDR) to advanced threat detection (XDR), driven by the growing complexity of cyber threats and remote work.