Systems, methodologies, media, and other embodiments associated with making an automated immune response on a computer that may be infected with a malicious software like a virus are described. One exemplary system embodiment includes a behavior logic that facilitates identifying that a computer is exhibiting a behavior that indicates that the computer may be infected by a malicious software. The exemplary system embodiment may also include an immune response logic that is configured to facilitate identifying a process and/or program related to the behavior. The immune response logic may be configured to automatically make an immune response with respect to the process and/or program.

Automated immune response for a computer

A “Firmware-Based TPM” or “fTPM” ensures that secure code execution is isolated to prevent a wide variety of potential security breaches. Unlike a conventional hardware based Trusted Platform Module (TPM), isolation is achieved without the use of dedicated security processor hardware or silicon. In general, the fTPM is first instantiated in a pre-OS boot environment by reading the fTPM from system firmware or firmware accessible memory or storage and placed into read-only protected memory of the device. Once instantiated, the fTPM enables execution isolation for ensuring secure code execution. More specifically, the fTPM is placed into protected read-only memory to enable the device to use hardware such as the ARM® architecture's TrustZone™ extensions and security primitives (or similar processor architectures), and thus the devices based on such architectures, to provide secure execution isolation within a “firmware-based TPM” without requiring hardware modifications to existing devices.

Firmware-based trusted platform module for arm processor architectures and trustzone security extensions

A trusted platform module is presented that is capable of creating, dynamically, multiple virtual trusted platform modules in a hierarchical organization. A trusted platform module domain is created. The trusted platform module creates virtual trusted platform modules, as needed, in the trusted platform module domain. The virtual trusted platform modules can inherit the permissions of a parent trusted platform module to have the ability to create virtual trusted platform modules themselves. Each virtual trusted platform module is associated with a specific partition. Each partition is associated with an individual operating system. The hierarchy of created operating systems and their privilege of spawning new operating systems is reflected in the hierarchy of trusted platform modules and the privileges each of the trusted platform modules has.

Dynamic creation and hierarchical organization of trusted platform modules

A method for implementing a mobile trusted platform module includes establishing a connection with a first remote host device via a remote interface. The method also includes authenticating the connection. The method further includes, upon authenticating the connection, allowing the first remote host device to access a securely stored first application within a mobile trusted platform module.

Method and System for Implementing a Mobile Trusted Platform Module

A processor comprising: an instruction processing pipeline, configured to receive a sequence of instructions for execution, said sequence comprising at least one instruction including a flow control instruction which terminates the sequence; a hash generator, configured to generate a hash associated with execution of the sequence of instructions; a memory configured to securely receive a reference signature corresponding to a hash of a verified corresponding sequence of instructions; verification logic configured to determine a correspondence between the hash and the reference signature; and authorization logic configured to selectively produce a signal, in dependence on a degree of correspondence of the hash with the reference signature.

System and method for validating program execution at run-time using control flow signatures

Methods, software/firmware and apparatus for implementing a tamper-aware virtual trusted platform module (TPM). Under the method, respective threads comprising a virtual TPM thread and a security-patrol threads are executed on a host processor. In one embodiment, the host processor is a multi-threaded processor having multiple logical processors, and the respective threads are executed on different logical processors. While the virtual TPM thread is used to perform various TPM functions, the security-patrol thread monitors for physical attacks on the processor by implementing various numerical calculation loops, wherein an erroneous calculation is indicative of a physical attack. In response to detection of such an attack, various actions can be taken in view of one or more predefined security policies, such as logging the event, shutting down the platform and/or informing a remote management entity.

Tamper-aware virtual TPM

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Tamper-aware virtual TPM