H04L2463/141

System and Method for Cyber Security Threat Detection
20180255076 · 2018-09-06 ·

A cyber security threat detection system for one or more endpoints within a computing environment is disclosed. The system comprises a plurality of collector engines. Each of the collector engines is previously installed on an endpoint of a plurality of endpoints and configured to acquire statistical information at the endpoint. The statistical information includes behavioral information, resource information, and metric information associated with the endpoint. The system further comprises an aggregator engine configured to aggregate the statistical information from each of the endpoints into aggregated information. The system further comprises an analytics engine configured to receive the aggregated information, and to invoke learning models to output deviation information for each of the endpoints based on the aggregated information and expected fingerprints associated with the endpoints. The system further comprises an alerting engine configured to issue one or more alerts indicating one or more security threats have occurred for each of the endpoints in response to the deviation information for the endpoint.

System and Method for Cyber Security Threat Detection
20180255077 · 2018-09-06 ·

A cyber security threat detection system for one or more endpoints within a computing environment is disclosed. The system includes one or more collector engines. Each of the collector engines includes a service and an agent operating on a corresponding system endpoint of the system endpoints. The service is configured to take a first snapshot of the corresponding system endpoint. The first snapshot includes event activity information associated with the system endpoint. The agent is configured to take a second snapshot of the corresponding system endpoint. The second snapshot includes behavioral activity information associated with the corresponding system endpoint. The system further includes an aggregator engine configured to aggregate the first snapshot and the second snapshot from each of the system endpoints into an aggregated snapshot. The system further includes one or more analytics engines configured to: generate and store baseline profiles associated with the system endpoints based on a previously received aggregated snapshot, receive the aggregated snapshot from the aggregator engine, determine deviation values for each of the system endpoints based on the received aggregated snapshot and the stored baseline profiles, and generate, for each of the system endpoints, a cumulative risk value based on the deviation values. The system further includes one or more alerting engines configured to determine whether to issue one or more alerts indicating one or more security threats have occurred for each of the endpoints in response to the cumulative risk value.

System and Method for Cyber Security Threat Detection
20180255079 · 2018-09-06 ·

A cyber security threat detection system for one or more endpoints within a computing environment is disclosed. The system comprises a plurality of collector engines. Each of the collector engines is previously installed on an endpoint of a plurality of endpoints and configured to acquire statistical information at the endpoint. The statistical information includes behavioral information, resource information, and metric information associated with the endpoint. The system further comprises an aggregator engine configured to aggregate the statistical information from each of the endpoints into aggregated information. The system further comprises an analytics engine configured to receive the aggregated information, and to invoke learning models to output deviation information for each of the endpoints based on the aggregated information and expected fingerprints associated with the endpoints. The system further comprises an alerting engine configured to issue one or more alerts indicating one or more security threats have occurred for each of the endpoints in response to the deviation information for the endpoint.

System and Method for Cyber Security Threat Detection
20180255080 · 2018-09-06 ·

A cyber security threat detection system for one or more endpoints within a computing environment is disclosed. The system includes one or more collector engines. Each of the collector engines includes a service and an agent operating on a corresponding system endpoint of the system endpoints. The service is configured to take a first snapshot of the corresponding system endpoint. The first snapshot includes event activity information associated with the system endpoint. The agent is configured to take a second snapshot of the corresponding system endpoint. The second snapshot includes behavioral activity information associated with the corresponding system endpoint. The system further includes an aggregator engine configured to aggregate the first snapshot and the second snapshot from each of the system endpoints into an aggregated snapshot. The system further includes one or more analytics engines configured to: generate and store baseline profiles associated with the system endpoints based on a previously received aggregated snapshot, receive the aggregated snapshot from the aggregator engine, determine deviation values for each of the system endpoints based on the received aggregated snapshot and the stored baseline profiles, and generate, for each of the system endpoints, a cumulative risk value based on the deviation values. The system further includes one or more alerting engines configured to determine whether to issue one or more alerts indicating one or more security threats have occurred for each of the endpoints in response to the cumulative risk value.

DETECTION AND MITIGATION OF SLOW APPLICATION LAYER DDoS ATTACKS

A method and system for protecting cloud-hosted applications against application-layer slow distributed denial-of-service (DDoS) attacks. The comprising collecting telemetries from a plurality of sources deployed in at least one cloud computing platform hosting a protected cloud-hosted application; providing a set of rate-based and rate-invariant features based on the collected telemetries; evaluating each feature in the set of rate-based and rate-invariant features to determine whether a behavior of each feature and a behavior of the set of rate-based and rate-invariant features indicate a potential application-layer slow DDoS attack; and causing execution of a mitigation action, when an indication of a potential application-layer slow DDoS attack is determined.

DETECTION AND MITIGATION OF FLOOD TYPE DDOS ATTACKS AGAINST CLOUD-HOSTED APPLICATIONS

A system and method for protecting cloud-hosted applications against hypertext transfer protocol (HTTP) flood distributed denial-of-service (DDoS) attacks are provided. The method includes collecting telemetries from a plurality of sources deployed in at least one cloud computing platform hosting a protected cloud-hosted application; providing at least one rate-based feature and at least one rate-invariant feature based on the collected telemetries, wherein the rate-based feature and the rate-invariant feature demonstrate behavior of at least HTTP traffic directed to the protected cloud-hosted application; evaluating the at least one rate-based feature and the at least one rate-invariant feature to determine whether the behavior of the at least HTTP traffic indicates a potential HTTP flood DDoS attack; and causing execution of a mitigation action when an indication of a potential HTTP flood DDoS attack is determined.

DISTRIBUTED DENIAL OF SERVICE (DDOS) DEFENSE TECHNIQUES FOR APPLICATIONS HOSTED IN CLOUD COMPUTING PLATFORMS

A defense platform for protecting a cloud-hosted application against distributed denial-of-services (DDoS) attacks, wherein the defense platform is deployed out-of-path of incoming traffic of the cloud-hosted application hosted in a plurality of cloud computing platforms, comprising: a detector; a mitigator; and a controller communicatively connected to the detector and the mitigator; wherein the detector is configured to: receive telemetries related to behavior of the cloud-hosted application from sources deployed in the plurality of cloud computing platforms; and detect, based on the telemetries, a potential DDoS attack; wherein, the controller, upon detection of a potential DDoS attack, is configured to: divert traffic directed to the cloud-hosted application to the mitigator; cause the mitigator to perform at least one mitigation action to remove malicious traffic from the diverted traffic; and cause injection of clean traffic to at least one of the plurality of cloud computing platforms hosting the cloud-hosted application.

ALGORITHMICALLY DETECTING MALICIOUS PACKETS IN DDOS ATTACKS
20180248908 · 2018-08-30 ·

A method for detecting patterns using statistical analysis is provided. The method includes receiving a subset of structured data having a plurality of fields. A plurality of value combinations is generated for the plurality of fields using a statistical combination function. Each combination of the generated plurality of value combinations is stored as a separate entry in a results table. The entry in the results table includes a counter associated with the stored combination. A value of the counter is incremented for every occurrence of the stored combination in the generated plurality of value combinations. The results table is sorted based on the counters' values and based on a number of fields in each combination. One or more entries having highest counter values are identified in the results table.

ANOMALY SELECTION USING DISTANCE METRIC-BASED DIVERSITY AND RELEVANCE

In one embodiment, a device in a network receives a notification of a particular anomaly detected by a distributed learning agent in the network that executes a machine learning-based anomaly detector to analyze traffic in the network. The device computes one or more distance scores between the particular anomaly and one or more previously detected anomalies. The device also computes one or more relevance scores for the one or more previously detected anomalies. The device determines a reporting score for the particular anomaly based on the one or more distance scores and on the one or more relevance scores. The device reports the particular anomaly to a user interface based on the determined reporting score.

System and method for operating protection services

A method and system for operating protection services to provide defense against cyber-attacks. The comprises generating a workflow scheme assigned to at least one protected entity, wherein the workflow scheme includes at least one operation regimen and triggering criteria associated with the at least one operation regimen; monitoring at least a plurality of protection resources to detect at least one trigger event; determining if the at least one detected trigger event satisfies the triggering criteria associated with the at least one operation regimen; and changing a state of the at least one operation regimen when the at least one detected trigger event satisfies the at least one triggering criterion, thereby causing provisioning and operating of at least one protection resource of the plurality of protection resources, wherein the provisioning is based on contents defined in the at least one operation regimen.