Directional audio pickup guided by face detection
Granted: March 4, 2025
Patent Number:
12245015
Presented herein are techniques to enhance the audio portion of a video conference. In one embodiment, a method includes determining, using a multi-microphone array, a direction of arrival of sound signals from a user, detecting, using an image from a camera, a face of the user, determining a position of the face of the user with respect to a position of the camera, and forming a spatial beam for the multi-microphone array based on the direction of arrival of sound signals from the user…
Automatic retraining of machine learning models to detect DDoS attacks
Granted: March 4, 2025
Patent Number:
12244640
In one embodiment, a device in a network receives an attack mitigation request regarding traffic in the network. The device causes an assessment of the traffic, in response to the attack mitigation request. The device determines that an attack detector associated with the attack mitigation request incorrectly assessed the traffic, based on the assessment of the traffic. The device causes an update to an attack detection model of the attack detector, in response to determining that the…
Prioritizing assets using security metrics
Granted: March 4, 2025
Patent Number:
12244616
This disclosure describes techniques for identifying the criticality of an asset in a network. In an example method, a first security metric of a first asset in a network, as well as network data that identifies data flows associated with a second asset in the network are identified. The second asset is a nearest neighbor of the first asset in the network. The method includes determining, based on the network data, a number of hosts in the network that exchanged data traffic with the…
Intent-based chaos level creation to variably test environments
Granted: March 4, 2025
Patent Number:
12242370
A method includes receiving, at a chaos level engine, initial input parameters. The method may further include, with the chaos level engine, determining scaled input parameters based on the initial input parameters. The scaled input parameters define how the initial input parameters effect a computing environment to be tested. The method may further include, with the chaos level engine determining a chaos level for performing a chaos experiment on the computing environment based on the…
Detecting and mitigating multi-stage email threats
Granted: February 25, 2025
Patent Number:
12238054
Techniques for an email-security system to detect multi-stage email scam attacks, and engage an attacker to obtain additional information. The system may analyze emails for users and identify scam emails by analyzing metadata of the emails. The system may then classify the scam emails into particular classes from among a group of scam-email classes. The system may then engage the attacker that sent the scam email. In some instances, the scam emails may be multi-stage attacks, and the…
Heat sink with adaptive curvature to mitigate thermal runaway for a circuit component
Granted: February 25, 2025
Patent Number:
12238856
A heat sink component includes a cold plate including a first surface configured to engage a circuit component and a second surface opposing the first surface, and a plurality of fins extending transversely from the second surface of the cold plate. The first surface includes a non-planar surface portion and a planar surface portion surrounding the non-planar surface portion. The non-planar surface portion of the cold plate provides an adaptive contour to complement a surface of a…
Load-balancer for saturated wireless
Granted: February 25, 2025
Patent Number:
12238578
Load balancing for saturated wireless may be provided. A computing device may determine that an Access Point (AP) has reached a saturation point. A first Service Device (SD) having a first SD coverage area that overlaps an AP coverage area associated with the AP may be identified. Then a license to operate within a frequency spectrum segment for the first SD coverage area may be obtained. A plurality of user devices may be moved from the AP to the first SD. The first SD may then service…
Packet-switching quantum key distribution
Granted: February 25, 2025
Patent Number:
12238208
A network element in a quantum network receives a hybrid frame including a classical header and a quantum payload. The network element processes the classical header for a length of time and generates a new classical header. The network element drops a portion of the quantum payload based on the length of time spent processing the classical header and updates the hybrid frame to include the new classical header and the quantum payload without the dropped portion.
Systems and methods for generating contextual labels
Granted: February 25, 2025
Patent Number:
12238099
In one embodiment, an apparatus includes one or more processors and one or more computer-readable non-transitory storage media coupled to the one or more processors. The one or more computer-readable non-transitory storage media include instructions that, when executed by the one or more processors, cause the apparatus to perform operations including receiving a user credential from a remote access client within a network and communicating the user credential to an authentication,…
Upstream approach for secure cryptography key distribution and management for multi-site data centers
Granted: February 25, 2025
Patent Number:
12238079
A Software-Defined Networking (SDN)-based “upstream” approach is a controller-based solution that provides secure key distribution and management for multi-site data centers. The approach uses an SDN Multi-Site Controller (MSC) that acts as an intermediary between SDN controllers at sites in a multi-site data center and manages the distribution of keys to sites. The approach is not dependent upon any particular routing protocol, such as the Border Gateway Protocol (BGP), and is well…
Identifying unmanaged cloud resources with endpoint and network logs
Granted: February 25, 2025
Patent Number:
12238014
Techniques and mechanisms for identifying unmanaged cloud resources with endpoint and network logs and attributing the identified cloud resources to an entity of an enterprise that owns the cloud resources. The process collects data from sources, e.g., endpoint and network logs, with respect to traffic in a computer network and based at least in part on the data, extracts relationships related to the traffic. The process applies rules to the relationships to extract destinations in the…
Self-healing SD-WAN controllers and networks
Granted: February 25, 2025
Patent Number:
12238006
Systems and methods are provided for re-balancing and healing of an SD-WAN in an unbalanced state and/or experiencing one or more failure states. In response to a request to connect to a new controller resulting from OMP load shedding from a first controller, the system can identify other controllers capable of handling the load requirements of the edge router. The system can incorporate the controller group preference of the edge router and select a second controller based on the…
Designated forwarder selection for multihomed hosts in an ethernet virtual private network
Granted: February 25, 2025
Patent Number:
12238005
Embodiments for handling multidestination traffic in a network are described. It is determined that a destination of a packet, received at a network device, is a multihomed destination. In response to determining that the destination of the packet is a multihomed destination, a hash value is determined from a selection of header values of the packet using a hash function. The packet is forwarded to the destination using a shadow hash forwarding table based at least in part on…
Multi-phase pulse power short reach distribution
Granted: February 25, 2025
Patent Number:
12237773
In one embodiment, a method includes transmitting multi-phase pulse power from power sourcing equipment to a powered device in a data center, wherein the multi-phase pulse power comprises multiple phases of power delivered in a sequence of pulses defined by alternating low direct current voltage states and high direct current voltage states, and synchronizing the pulses at the power sourcing equipment with the pulses at the powered device.
Heatsinking in laser devices
Granted: February 25, 2025
Patent Number:
12237643
Heatsinking in laser devices may be improved via a device, including: a header disk having a first face with a circumference; a header post that is thermally conductive, and having: a second face connected to the first face coterminously with the circumference; a third face opposite to the second face; and a fourth face perpendicular to the second face and the third face; a lens holder, having a fifth face connected to the third face; and an optical subassembly connected to the fourth…
Identifying execution environments for deploying network functions
Granted: February 25, 2025
Patent Number:
12236229
This disclosure describes techniques and mechanisms for using a domain-specific language (DSL) to express and compile serverless network functions, and optimizing the deployment location for the serverless network functions on network devices. In some examples, the serverless network functions may be expressed entirely in the DSL (e.g., via a text-based editor, a graphics-based editor, etc.), where the DSL is a computer language specialized to a particular domain, such as a network…
Intelligent quarantine on switch fabric for physical and virtualized infrastructure
Granted: February 18, 2025
Patent Number:
12231444
Systems, methods, and computer-readable media for performing threat remediation through a switch fabric of a virtualized network environment. Data traffic passing into a virtualized network environment including a plurality of virtual machines running on a switch fabric is monitored. A network threat introduced through at a least a portion of the data traffic is identified at the switch fabric. One or more remedial measures are performed in the network environment based on the…
Time sensitive networking (TSN) quality of service (QoS) in overlapped administrative domains
Granted: February 18, 2025
Patent Number:
12231963
Time Sensitive Networking (TSN) Quality of Service (QoS) in overlapped administrative domains may be provided. A first Access Point (AP) may detect at least a second AP in a Co-Channel Interference (CCI) range. A micro-transaction auction between the first AP and at least the second AP may be established, and the first AP may provide compensation to second AP to acquire an agreement, from the second AP, to forgo transmitting during an upcoming service period. Next, the first AP may…
Adaptive qubit-based threshold handshaking for quantum safe protocols
Granted: February 18, 2025
Patent Number:
12231548
In one embodiment, a first device in a network receives a quantum computing power metric indicative of a maximum available compute power of quantum computers. The first device receives, from a second device in the network, a listing of cryptographic suites available on the second device. The first device selects, based on the quantum computing power metric, a particular cryptographic suite from among the listing of cryptographic suites available on the second device. The first device…
System and method using a large language model (LLM) and/or regular expressions for feature extractions from unstructured or semi-structured data to generate ontological graph
Granted: February 18, 2025
Patent Number:
12231456
A system and method are provided for generating a cybersecurity behavioral graph from a log files and/or other telemetry data, which can be unstructured or semi-structured data. The log files are applied to a machine learning (ML) model (e.g., a large language model (LLM)) that generates/extract from the log files entities and relationships between said entities. The entities and relationships can be constrained using a cybersecurity ontology or schema to ensure that the results are…
