A method for controlling includes activating a virtual subscriber identity module (SIM) card in a terminal such as a mobile phone in response to determining that the terminal is in a lost state; receiving a control instruction through the virtual SIM card; and controlling the terminal based on the control instruction. A mobile phone or an electronic device incorporating the method and a non-transitory computer readable storage medium are also described.

The disclosed technology relates to a mobile terminal adapted to receive a memory card comprising a processing unit, an input interface and a card locking actuator configured to lock the memory card into the mobile terminal. The card locking actuator is controlled by the processing unit. In one aspect, the card locking actuator is configured to be locked when the mobile terminal is switched on. In another aspect, the processing unit is configured to lock the screen until a screen unlocking authentication procedure is performed by a user at the input interface and is configured to command unlocking of the card locking actuator after detecting that a predetermined authentication procedure is performed by a user at the input interface.

The disclosed technology relates to a mobile terminal adapted to receive a memory card comprising a processing unit, an input interface and a card locking actuator configured to lock the memory card into the mobile terminal. The card locking actuator is controlled by the processing unit. In one aspect, the card locking actuator is configured to be locked when the mobile terminal is switched on. In another aspect, the processing unit is configured to lock the screen until a screen unlocking authentication procedure is performed by a user at the input interface and is configured to command unlocking of the card locking actuator after detecting that a predetermined authentication procedure is performed by a user at the input interface.

Systems and methods are provided for a content-based security for computing devices. An example method includes identifying content rendered by a mobile application, the content being rendered during a session, generating feature vectors from the content and determining that the feature vectors do not match a classification model. The method also includes providing, in response to the determination that the feature vectors do not match the classification model, a challenge configured to authenticate a user of the mobile device. Another example method includes determining a computing device is located at a trusted location, capturing information from a session, the information coming from content rendered by a mobile application during the session, generating feature vectors for the session, and repeating this until a training criteria is met. The method also includes training a classification model using the feature vectors and authenticating a user of the device using the trained classification model.

Systems and methods are provided for a content-based security for computing devices. An example method includes identifying content rendered by a mobile application, the content being rendered during a session, generating feature vectors from the content and determining that the feature vectors do not match a classification model. The method also includes providing, in response to the determination that the feature vectors do not match the classification model, a challenge configured to authenticate a user of the mobile device. Another example method includes determining a computing device is located at a trusted location, capturing information from a session, the information coming from content rendered by a mobile application during the session, generating feature vectors for the session, and repeating this until a training criteria is met. The method also includes training a classification model using the feature vectors and authenticating a user of the device using the trained classification model.

An anti-theft protection disablement solution is provided to authorized users and authorized customer service representatives. An anti-theft protection disablement request message from a recovery application on a user device may be received via a cloud messaging service or a binary messaging service. In turn, an anti-theft protection disablement message may be transmitted to the user device via the cloud messaging service or the binary messaging service when the anti-theft protection disablement request message is authenticated. The anti-theft protection disablement message may disable an anti-theft protection function on the user device that calls for an input of an anti-theft protection authentication credential for a factory reset of the user device.

An anti-theft protection disablement solution is provided to authorized users and authorized customer service representatives. An anti-theft protection disablement request message from a recovery application on a user device may be received via a cloud messaging service or a binary messaging service. In turn, an anti-theft protection disablement message may be transmitted to the user device via the cloud messaging service or the binary messaging service when the anti-theft protection disablement request message is authenticated. The anti-theft protection disablement message may disable an anti-theft protection function on the user device that calls for an input of an anti-theft protection authentication credential for a factory reset of the user device.

Methods for managing a communication session in a communication network are disclosed. For example, a method includes detecting, by a first endpoint comprising at least one processor, an error condition associated with the communication session, sending, by the first endpoint, a notification of the error condition to a second endpoint that is using a transport layer session and receiving, by the first endpoint, a communication from the second endpoint, proposing a response to the error condition. Another method includes receiving, by a first endpoint comprising at least one processor, a notification of an error condition associated with the communication session, selecting, by the first endpoint, a response to the error condition, and sending, by the first endpoint, a communication to a second endpoint that is using a transport layer session, proposing a response to the error condition.

Systems and methods for detecting and interfering with compromised devices and unauthorized device relocation in a communication network are disclosed. The described embodiments may be deployed in a content delivery network where receivers have been compromised in a manner that renders the conditional access system (CAS) inoperative at controlling the receivers' ability to receive content. In some embodiments, alternate commands not protected by the CAS system may be used to detect hacked devices and interdict same. In some embodiments, service devices in the content delivery network may allow for detection of unauthorized device relocation.

A method and system of detecting a delinquent mobile user device. An international mobile subscriber identity (IMSI) of a subscriber identity module (SIM) card of the user device is determined by the user device. The IMSI is sent to a Remote Recovery Server (RRS). A message is received from the RRS as to whether the IMSI is authorized for the user device. Upon determining that the IMSI is not authorized for the user device, a notification is displayed on a display of the user device.