The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 24, 2022
Filed:
Feb. 21, 2019
Acer Cyber Security Incorporated, Taipei, TW;
Chun-Hsien Li, New Taipei, TW;
Chien-Hung Li, New Taipei, TW;
Jun-Mein Wu, New Taipei, TW;
Ming-Kung Sun, Taipei, TW;
Zong-Cyuan Jhang, Taipei, TW;
Yin-Hsong Hsu, New Taipei, TW;
Chiung-Ying Huang, Taipei, TW;
Tsung-Hsien Tsai, New Taipei, TW;
Acer Cyber Security Incorporated, Taipei, TW;
Abstract
A method for detecting abnormality adapted to detect abnormal operations of an operating system is provided. The method includes: calculating a safe range of usage of the operating system during one or more time periods according to a historical data stream; calculating abnormal ratios corresponding to the one or more time periods according to a current data stream and the safe range of usage; selecting one or more abnormal time periods from the one or more time periods according to a threshold and the abnormal ratios; calculating an abnormal indicator for each of the one or more abnormal time periods according to the historical data stream and the current data stream; and ranking the one or more abnormal time periods according to the abnormal indicator(s).