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#ACCESS VIOLATION AT ADDRESS 00690A2F IN MODULE KANTOPLAYER INSTALL#
#ACCESS VIOLATION AT ADDRESS 00690A2F IN MODULE KANTOPLAYER DRIVERS#

Providing an incentive for driver developers and vendors to improve compatibility with virtualization-based security, improving adoption of these technologies in the ecosystem.Reliability improvements – KDP makes it easier to diagnose memory corruption bugs that don’t necessarily represent security vulnerabilities.Performance improvements – KDP lessens the burden on attestation components, which would no longer need to periodically verify data variables that have been write-protected.On top of the important security and tamper protection applications of this technology, other benefits include:

#ACCESS VIOLATION AT ADDRESS 00690A2F IN MODULE KANTOPLAYER DRIVERS#

The concept of protecting kernel memory as read-only has valuable applications for the Windows kernel, inbox components, security products, and even third-party drivers like anti-cheat and digital rights management (DRM) software. KDP mitigates such attacks by ensuring that policy data structures cannot be tampered with.

#ACCESS VIOLATION AT ADDRESS 00690A2F IN MODULE KANTOPLAYER INSTALL#

For example, we’ve seen attackers use signed but vulnerable drivers to attack policy data structures and install a malicious, unsigned driver. KDP is a set of APIs that provide the ability to mark some kernel memory as read-only, preventing attackers from ever modifying protected memory. Kernel Data Protection (KDP) is a new technology that prevents data corruption attacks by protecting parts of the Windows kernel and drivers through virtualization-based security (VBS). Attackers use data corruption techniques to target system security policy, escalate privileges, tamper with security attestation, modify “initialize once” data structures, among others.

Microsoft Purview Data Lifecycle ManagementĪttackers, confronted by security technologies that prevent memory corruption, like Code Integrity (CI) and Control Flow Guard (CFG), are expectedly shifting their techniques towards data corruption.

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