In an example, an apparatus includes a memory storing a hypervisor, where the hypervisor is configured to determine whether one or more universal serial bus (USB) devices in communication with the hypervisor are authorized to communicate with a guest operating system of the hypervisor and, after determining that the one or more USB devices are authorized to communicate with the guest, virtualize the one or more USB devices at the guest operating system and transfer messages between the one or more USB devices and the virtualized USB device.

Mediating communication of a universal serial bus device

Malicious peripherals designed to attack their host computers are a growing problem. Inexpensive and powerful peripherals that attach to plug-and-play buses have made such attacks easy to mount. Making matters worse, commodity operating systems lack coherent defenses, and users are often unaware of the scope of the problem. We present Cinch, a pragmatic response to this threat. Cinch uses virtualization to attach peripheral devices to a logically separate, untrusted machine, and includes an interposition layer between the untrusted machine and the protected one. This layer regulates interaction with devices according to user-configured policies. Cinch integrates with existing OSes, enforces policies that thwart real-world attacks, and has low overhead.

/pdf/defending-against-malicious-peripherals-with-cinch-437g13vf49.pdf

Defending against malicious peripherals with Cinch

In one implementation, a computer-implemented method of establishing a secure wireless communication connection between an insulin pump device and a mobile computing device includes receiving, at a mobile computing device, a device identifier for the insulin pump device; obtaining, by the mobile computing device, device information for the insulin pump device from a remote server system using the device identifier; establishing, by the mobile computing device, a secure wireless connection with the insulin pump device using, at least in part, the device information; authenticating, by the mobile computing device, the insulin pump device based on asymmetric key verification using the public key for the insulin pump; and securely communicating, by the mobile computing device and in response to authenticating the insulin pump device, information with the insulin pump device.

Secure communication architecture for medical devices

The disclosed technology is generally directed to secure transactions. In one example of the technology, a secure encrypted communication tunnel between the enclave and a hardware security module (HSM) may be established and used. Establishing the tunnel includes the following steps. A session public/private enclave key pair, including a session enclave private key and a session enclave public key, may be derived from the public/private key pair of the enclave. The session enclave public key may be sent to the HSM. A session HSM public key may be received from the HSM. Additional information may be encrypted with the session HSM public key. The encrypted additional information may be sent to the HSM. Further encrypted information may be received from the HSM. The further encrypted information may be decrypted with the session enclave private key.

Secure cryptlet tunnel

In one example, a first enclave for use by a first counterparty to a smart contract is identified. A second enclave for use by a second counterparty to the smart contract may be identified. Secrets associated with the first counterparty to the first enclave may be caused to be securely provided. Secrets associated with the second counterparty to the second enclave may be caused to be securely provided. A cryptlet is caused to be provided to the first enclave. The cryptlet may be caused to be provided to the second enclave. A payload is received from the first enclave. A payload may be received from the second enclave. Validation may be caused to be performed for a plurality of payloads. The plurality of payloads may include the payload from the first enclave and the payload from the second enclave.

Enclave ring and pair topologies

A Secure Remote Peripheral Encryption Tunnel (SeRPEnT) can be implemented in a portable embedded device for the Universal Serial Bus (USB) with a much more restricted attack surface than a general purpose client computer. The SeRPEnT device can comprise a small, low-power “cryptographic switchboard” that can operate in a trusted path mode and a pass-through mode. In the trusted path mode, the SeRPEnT device can tunnel connected peripherals through the client to a server with Virtual Machine (VM)-hosted applications. In the pass-through mode, the SeRPEnT device can pass-through the connected peripherals to the client system, allowing normal use of the local system by the user. SeRPEnT can also enable secure transactions between the user and server applications by only allowing input to the VMs to originate from the SeRPEnT device.

Secure remote peripheral encryption tunnel

A mobile device charging station configured to analyze, measure and respond to/correct the state of a mobile device. The charging station can employ an embedded cryptographic subsystem that can make use of anti-tamper/tamper evident techniques to protect stored firmware images/cryptographic material.

Hygienic charging station for mobile device security

Embodiments are disclosed for performing static and/or non-emulated dynamic analysis of mobile computing device software to improve app security testing. In the context of a method, an example embodiment includes processing, by a security analysis system, an app for analysis. This example embodiment of the method further includes analyzing the app by diagnostic circuitry of the security analysis system. In this regard, analyzing the app includes at least one of performing static analysis on the app or causing performance, by a lab rig, of non-emulated dynamic analysis on the app. In turn, this example embodiment further includes generating, by the security analysis system and based on analyzing the app, a set of risk issues presented by the app, and outputting, by the security analysis system, the set of risk issues. Corresponding apparatuses and computer program products are also provided.

Methods and apparatuses for improved app security testing

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Secure remote peripheral encryption tunnel

Hygienic charging station for mobile device security

Methods and apparatuses for improved app security testing