"With this protection in place, all TPM responses - including full disk encryption keys - are sent through an authenticated and encrypted tunnel rather than travelling across the motherboard in cleartext. This makes physical bus sniffing attacks ineffective."
"Beyond this, TPM Guard also protects against advanced TPM move and interposition attacks. During manufacturing, HP establishes a pre‑shared hardware key that binds the TPM to its specific CPU."
"In the Enterprise series printers, HP Wolf capabilities are designed to provide protection against cyberattacks, including zero-day attacks."
"The company also added quantum-resistant cryptography to its new LaserJet Pro and Enterprise printer lines."
HP introduced HP TPM Guard, which encrypts the link between the Trusted Platform Module and CPU to prevent physical bus-intercept attacks. This ensures that TPM responses, including encryption keys, are sent through an encrypted tunnel. HP also added quantum-resistant cryptography to its LaserJet Pro and Enterprise printers, enhancing protection against cyberattacks. New HP Wolf Security capabilities for commercial PCs include integration with the Workforce Experience Platform and features like Automated Guided Redaction to enhance data security.
Read at SecurityWeek
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