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1. WO2020223227 - SYSTEM ABNORMALITY DETECTION USING SIGNAL FINGERPRINTING

Publication Number WO/2020/223227
Publication Date 05.11.2020
International Application No. PCT/US2020/030257
International Filing Date 28.04.2020
IPC
G06F 21/55 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
50Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
55Detecting local intrusion or implementing counter-measures
G06F 21/85 2013.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
82Protecting input, output or interconnection devices
85interconnection devices, e.g. bus-connected or in-line devices
H04L 29/06 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
29Arrangements, apparatus, circuits or systems, not covered by a single one of groups H04L1/-H04L27/136
02Communication control; Communication processing
06characterised by a protocol
CPC
G06F 21/552
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
50Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
55Detecting local intrusion or implementing counter-measures
552involving long-term monitoring or reporting
G06F 21/554
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
50Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
55Detecting local intrusion or implementing counter-measures
554involving event detection and direct action
G06F 21/85
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
21Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
70Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
82Protecting input, output or interconnection devices
85interconnection devices, e.g. bus-connected or in-line devices
G06F 2221/033
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
2221Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
03Indexing scheme relating to G06F21/50, monitoring users, programs or devices to maintain the integrity of platforms
033Test or assess software
H04L 63/0263
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
63Network architectures or network communication protocols for network security
02for separating internal from external traffic, e.g. firewalls
0227Filtering policies
0263Rule management
H04L 63/1416
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
63Network architectures or network communication protocols for network security
14for detecting or protecting against malicious traffic
1408by monitoring network traffic
1416Event detection, e.g. attack signature detection
Applicants
  • CYLANCE INC. [US]/[US]
Inventors
  • WALTHINSEN, Erik
  • CAREY, Mark
  • BATHURST, Donald
Agents
  • BROOKER, Stephanie
  • SILBERMAN, Gregory
  • TRAN, Khanh
  • MISHLER, Randall
  • KUKKONEN, Carl
Priority Data
16/399,81230.04.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM ABNORMALITY DETECTION USING SIGNAL FINGERPRINTING
(FR) DÉTECTION D'ANOMALIES DANS UN SYSTÈME À L'AIDE D'UNE EMPREINTE DE SIGNAL
Abstract
(EN)
Systems, methods, and devices are described herein for detecting abnormalities within a system based on signal fingerprinting. A plurality of electrical signals are concurrently received from a transceiver over a time period. The time period is partitioned into a plurality of sampling windows. An electrical signal of the plurality of electrical signals is sequentially selected. For the sequentially selected electrical signal, a temporal snapshot of said electrical signal is iteratively captured over a sampling window of the plurality of sampling windows. This iterative capturing is repeated for remaining sampling windows of the plurality of sampling windows. Each captured temporal snapshot is temporally concatenated over the time period according to its respective temporal position of the time period to generate the signal fingerprint.
(FR)
L'invention concerne des systèmes, des procédés et des dispositifs de détection d'anomalies dans un système sur la base d'une empreinte de signal. Une pluralité de signaux électriques sont reçus simultanément à partir d'un émetteur-récepteur sur une période de temps. La période de temps est divisée en une pluralité de fenêtres d'échantillonnage. Un signal électrique de la pluralité de signaux électriques est sélectionné séquentiellement. Pour le signal électrique sélectionné séquentiellement, un instantané temporel dudit signal électrique est capturé de manière itérative sur une fenêtre d'échantillonnage de la pluralité de fenêtres d'échantillonnage. Cette capture itérative est répétée pour les fenêtres d'échantillonnage restantes de la pluralité de fenêtres d'échantillonnage. Chaque instantané temporel capturé est concaténé temporellement lors de la période de temps en fonction de sa position temporelle respective de la période de temps pour générer l'empreinte de signal.
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