symantec endpoint protection kernel extensions need authorization

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: 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. 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.

Endpoint management Endpoint 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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Symantec endpoint protection kernel extensions need authorization