Patents by Inventor Vijay Bulusu

Vijay Bulusu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11949663
    Abstract: Systems and methods include establishing a control channel of a tunnel utilizing a first encryption technique, wherein the tunnel is between a local node including one or more processors and a remote node, and wherein the control channel includes a session identifier; establishing a data channel of the tunnel utilizing a second encryption technique, wherein the data tunnel is bound to the control channel based on the session identifier; performing, over the control channel, device authentication and user authentication of one or more users associated with the remote node, wherein each of the one or more users includes a user identifier; and, subsequent to the device authentication and the user authentication, exchanging data packets over the data channel with each data packet including a corresponding user identifier. The first encryption technique can be one of TLS and SSL, and the second encryption technique can be one of TLS and DTLS.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: April 2, 2024
    Assignee: Zscaler, Inc.
    Inventors: Srikanth Devarajan, Vijay Bulusu, Roy Rajan, Ajit Singh, Abhinav Bansal, Vikas Mahajan
  • Publication number: 20240007305
    Abstract: A node configured as any of a proxy, a Secure Web Gateway, and a Secure Internet Gateway is configured to perform steps of, responsive to establishing a connection with a user device having a user associated with a tenant and obtaining policy for the user, monitoring traffic between the user device and the Internet where the monitoring is at a middle location, inline between the user device and an endpoint; responsive to the traffic being encrypted as a tunnel, performing one or more operations to enable accessing the encrypted traffic; analyzing the traffic based on the policy, including at least checking for malicious traffic and Data Loss Prevention (DLP) for the tenant; and one of allowing, blocking, or limiting the traffic based on the analyzing.
    Type: Application
    Filed: August 1, 2023
    Publication date: January 4, 2024
    Inventors: Srikanth Devarajan, Vijay Bulusu, Leslie McCutcheon
  • Patent number: 11750405
    Abstract: A node configured as any of a proxy, a Secure Web Gateway, and a Secure Internet Gateway is configured to perform steps of establishing a connection with a user device having a user associated with a tenant; obtaining policy for the user; monitoring traffic between the user device and the Internet including snooping session keys for any encrypted traffic; analyzing the traffic based on the policy including utilizing the session keys on the encrypted traffic; and one of allowing, blocking, or limiting the traffic based on the analyzing.
    Type: Grant
    Filed: April 7, 2022
    Date of Patent: September 5, 2023
    Assignee: Zscaler, Inc.
    Inventors: Srikanth Devarajan, Vijay Bulusu, Leslie McCutcheon
  • Publication number: 20220329442
    Abstract: A method implemented by a node in a cloud-based system includes responsive to monitoring a user device, detecting a request for encrypted traffic to a domain from the user device; checking if a domain certificate for the domain is available in cache; responsive to the domain certificate being in the cache, creating a first tunnel to the domain and a second tunnel to the user device; and, responsive to the domain certificate not being in the cache, generating the domain certificate with a cloud hardware security module (HSM) system, and creating the first tunnel and the second tunnel.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 13, 2022
    Inventors: Vijay Bulusu, Akshat Maheshwari, Harpreet Singh, Sujay Kumar, Lidor Pergament, Srikanth Devarajan
  • Publication number: 20220231864
    Abstract: A node configured as any of a proxy, a Secure Web Gateway, and a Secure Internet Gateway is configured to perform steps of establishing a connection with a user device having a user associated with a tenant; obtaining policy for the user; monitoring traffic between the user device and the Internet including snooping session keys for any encrypted traffic; analyzing the traffic based on the policy including utilizing the session keys on the encrypted traffic; and one of allowing, blocking, or limiting the traffic based on the analyzing.
    Type: Application
    Filed: April 7, 2022
    Publication date: July 21, 2022
    Inventors: Srikanth Devarajan, Vijay Bulusu, Leslie McCutcheon
  • Patent number: 11394563
    Abstract: Systems and methods include, in a node operating as a snooping proxy, monitoring traffic between a user device and the Internet; detecting and monitoring a handshake between the user device and an endpoint for determining keys associated with encryption between the user device and the endpoint; monitoring encrypted traffic between the user device and the endpoint subsequent to the handshake based on the keys; and performing one or more security functions on the encrypted traffic based on the monitoring. The node can be part of a cloud-based security system and configured inline between the user device and the endpoint.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: July 19, 2022
    Assignee: Zscaler, Inc.
    Inventors: Srikanth Devarajan, Vijay Bulusu, Leslie McCutcheon
  • Publication number: 20220116397
    Abstract: Systems and methods include obtaining a profile for an application, wherein the profile includes one or more tenants, rules for use of the application by the one or more tenants, and users for the rules; monitoring a user of a tenant of the one or more tenants inline via a node in a cloud-based system; identifying an application of the one or more applications based on the monitoring and associated rules for the user; and enforcing the associated rules for the user for the application.
    Type: Application
    Filed: November 24, 2020
    Publication date: April 14, 2022
    Inventors: Pooja Deshmukh, Narinder Paul, Naresh Kumar, Santhosh Kumar, Sravani Manukonda, Vijay Bulusu
  • Publication number: 20210367920
    Abstract: Systems and methods include establishing a control channel of a tunnel utilizing a first encryption technique, wherein the tunnel is between a local node including one or more processors and a remote node, and wherein the control channel includes a session identifier; establishing a data channel of the tunnel utilizing a second encryption technique, wherein the data tunnel is bound to the control channel based on the session identifier; performing, over the control channel, device authentication and user authentication of one or more users associated with the remote node, wherein each of the one or more users includes a user identifier; and, subsequent to the device authentication and the user authentication, exchanging data packets over the data channel with each data packet including a corresponding user identifier. The first encryption technique can be one of TLS and SSL, and the second encryption technique can be one of TLS and DTLS.
    Type: Application
    Filed: July 7, 2020
    Publication date: November 25, 2021
    Inventors: Srikanth Devarajan, Vijay Bulusu, Roy Rajan, Ajit Singh, Abhinav Bansal, Vikas Mahajan
  • Publication number: 20210344511
    Abstract: Systems and methods include, in a node operating as a snooping proxy, monitoring traffic between a user device and the Internet; detecting and monitoring a handshake between the user device and an endpoint for determining keys associated with encryption between the user device and the endpoint; monitoring encrypted traffic between the user device and the endpoint subsequent to the handshake based on the keys; and performing one or more security functions on the encrypted traffic based on the monitoring. The node can be part of a cloud-based security system and configured inline between the user device and the endpoint.
    Type: Application
    Filed: April 30, 2020
    Publication date: November 4, 2021
    Inventors: Srikanth Devarajan, Vijay Bulusu, Leslie McCutcheon