Windows — Cybersecurity News

PCAPGraph: Threat Hunting at the Speed of Triage

PCAPGraph: Threat Hunting at the Speed of Triage

PCAPGraph is an open-source network investigation and threat hunting tool that transforms packet cap...

Open-Source Network Discovery & Topology Mapping

Open-Source Network Discovery & Topology Mapping

RedSide Security has open-sourced NETMAPPER, a network discovery and visualization tool designed to ...

 RDPGraph: Turn Windows Event Logs into an Interactive RDP Attack Graph

RDPGraph: Turn Windows Event Logs into an Interactive RDP Attack Graph

When an incident unfolds and all you have left are Windows event logs, understanding attacker moveme...

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New BitUnlocker Downgrade Attack on Windows 11 Allows Access to Encrypted Disks in 5 Minutes

New BitUnlocker Downgrade Attack on Windows 11 Allows Access to Encrypted Disks in 5 Minutes

RedSide Security May 13, 2026 Vulnerability 153 views

Researchers have unveiled BitUnlocker, a new downgrade attack capable of bypassing Microsoft BitLocker encryption on patched Windows 11 systems in under five minutes. The attack abuses a flaw in the Windows Recovery Environment (WinRE) and a trusted legacy Secure Boot certificate to boot vulnerable components, allowing attackers with physical access to decrypt protected drives without triggering security alerts.

Continue reading: New BitUnlocker Downgrade Attack on Windows 11 All…