IP Library › Granted Patent US 12,598,207
Granted Patent B2
US 12,598,207 · App. 17/991,332 · Granted Apr 7, 2026

Building management system cybersecurity index

Inventors: Ravindra Ramanand Warake (Pune, IN); Subrata Bhattacharya (Singapore, SG)
Assignee: TYCO FIRE & SECURITY GMBH
H04L63/1433G05B19/042H04L63/1416H04L63/1425H04L63/20G05B2219/25011
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Quick Facts
Patent No.
US 12,598,207
App. No.
17/991,332
Granted
Apr 7, 2026
Kind
B2
Abstract

A system which includes one or more memory devices having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to perform operations. The operations include obtaining first data indicating security characteristics of software or firmware of one or more system devices of a building management system (BMS), obtaining second data indicating security characteristics of a server of the BMS, and calculating a cybersecurity best practices score for the BMS based on the first data and the second data.

Claims (41)

1 . A system comprising:

one or more memory devices having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to perform operations comprising:

obtaining a first data indicating security characteristics of software or firmware of one or more system devices of a building management system (BMS), wherein the one or more system devices operate to affect an environmental condition of one or more buildings controlled by the BMS;

obtaining a second data indicating security characteristics of a server of the BMS, wherein the server operates to monitor or control the one or more system devices to affect the environmental condition of the one or more buildings;

obtaining a third data indicating network security characteristics of the BMS;

calculating a first cybersecurity score based on the first data, a second cybersecurity score based on the second data, and a third cybersecurity score based on a third data; and

calculating a cybersecurity best practices score for the BMS based on the first data, the second data, and the third data by aggregating the first cybersecurity score, the second cybersecurity score, and the third cybersecurity score to generate the cybersecurity best practices score.

2 . The system of claim 1 , wherein:

calculating the first cybersecurity score comprises determining a first set of cybersecurity parameters for the one or more system devices of the BMS, wherein a penalty score is subtracted from the first cybersecurity score when the one or more system devices does not meet one of the first set of cybersecurity parameters;

calculating the second cybersecurity score comprises determining a second set of cybersecurity parameters for the server, wherein a penalty score is subtracted from the second cybersecurity score when the server does not meet one of the second set of cybersecurity parameters; and

calculating the third cybersecurity score comprises determining a third set of cybersecurity parameters for one or more connectivity devices of the BMS, wherein a penalty score is subtracted from the third cybersecurity score when the one or more connectivity devices does not meet one of the third set of cybersecurity parameters.

3 . The system of claim 1 , wherein the third data comprises at least one of a modem firewall status, a modem port blocking status, a modem pen testing status, a modem data upload and download status, or an unauthorized user login alert.

4 . The system of claim 1 , the operations further comprising initiating an action based on the cybersecurity best practices score.

5 . The system of claim 1 , wherein the first data comprises at least one of a software version or a firmware version of at least one of the server, a supervisory controller, or a field controller.

6 . The system of claim 1 , wherein the second data comprises at least one of a server software version, a server software version auto update enabled status, a server firewall status, a server antivirus status, a server port status, or a server cybersecurity policy.

7 . A method comprising:

obtaining a first data indicating security characteristics of software or firmware of one or more system devices of a building management system (BMS), wherein the one or more system devices operate to affect an environmental condition of one or more buildings controlled by the BMS;

obtaining a second data indicating security characteristics of a server of the BMS, wherein the server operates to monitor or control the one or more system devices to affect the environmental condition of the one or more buildings;

obtaining a third data indicating network security characteristics of the BMS;

calculating a first cybersecurity score based on the first data, a second cybersecurity score based on the second data, and a third cybersecurity score based on the third data; and

calculating a cybersecurity best practices score for the BMS based on the first data, the second data, and the third data by aggregating the first cybersecurity score, the second cybersecurity score, and the third cybersecurity score to generate the cybersecurity best practices score.

8 . The method of claim 7 , wherein:

calculating the first cybersecurity score comprises determining a first set of cybersecurity parameters for the one or more system devices of the BMS, wherein a penalty score is subtracted from the first cybersecurity score when the one or more system devices does not meet one of the first set of cybersecurity parameters;

calculating the second cybersecurity score comprises determining a second set of cybersecurity parameters for the server, wherein a penalty score is subtracted from the second cybersecurity score when the server does not meet one of the second set of cybersecurity parameters; and

calculating the third cybersecurity score comprises determining a third set of cybersecurity parameters for one or more connectivity devices of the BMS, wherein a penalty score is subtracted from the third cybersecurity score when the one or more connectivity devices does not meet one of the third set of cybersecurity parameters.

9 . The method of claim 7 , the method further comprising initiating an action based on the cybersecurity best practices score.

10 . The method of claim 7 , wherein the first data comprises at least one of a software version or a firmware version of at least one of the server, a supervisory controller, or a field controller.

11 . The method of claim 7 , wherein the second data comprises at least one of a server software version, a server software version auto update enabled status, a server firewall status, a server antivirus status, a server port status, or a server cybersecurity policy.

12 . The method of claim 7 , wherein the third data comprises at least one of a modem firewall status, a modem port blocking status, a modem pen testing status, a modem data upload and download status, or an unauthorized user login alert.

13 . A non-transitory computer-readable media comprising computer-readable instructions stored thereon that when executed by a processor cause the processor to perform operations comprising:

obtaining a first data indicating security characteristics of software or firmware of one or more system devices of a building management system (BMS), wherein the one or more system devices operate to affect an environmental condition of one or more buildings controlled by the BMS;

obtaining a second data indicating security characteristics of a server of the BMS, wherein the server operates to monitor or control the one or more system devices to affect the environmental condition of the one or more buildings;

obtaining a third data indicating network security characteristics of the BMS;

calculating a first cybersecurity score based on the first data, a second cybersecurity score based on the second data, and a third cybersecurity score based on the third data; and

calculating a cybersecurity best practices score for the BMS based on the first data, the second data, and the third data by aggregating the first cybersecurity score, the second cybersecurity score, and the third cybersecurity score to generate the cybersecurity best practices score.

14 . The non-transitory computer-readable media of claim 13 , wherein:

calculating the first cybersecurity score comprises determining a first set of cybersecurity parameters for the one or more system devices of the BMS, wherein a penalty score is subtracted from the first cybersecurity score when the one or more system devices does not meet one of the first set of cybersecurity parameters;

calculating the second cybersecurity score comprises determining a second set of cybersecurity parameters for the server, wherein a penalty score is subtracted from the second cybersecurity score when the server does not meet one of the second set of cybersecurity parameters; and

calculating the third cybersecurity score comprises determining a third set of cybersecurity parameters for one or more connectivity devices of the BMS, wherein a penalty score is subtracted from the third cybersecurity score when the one or more connectivity devices does not meet one of the third set of cybersecurity parameters.

15 . The non-transitory computer-readable media of claim 13 , wherein the first data comprises at least one of a software version or a firmware version of at least one of the server, a supervisory controller, or a field controller.

16 . The non-transitory computer-readable media of claim 13 , wherein the second data comprises at least one of a server software version, a server software version auto update enabled status, a server firewall status, a server antivirus status, a server port status, or a server cybersecurity policy and wherein the third data comprises at least one of a modem firewall status, a modem port blocking status, a modem pen testing status, a modem data upload and download status, or an unauthorized user login alert.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 9, 2024
From: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
To: TYCO FIRE & SECURITY GMBH
Reel/Frame 067056/0552 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 17, 2023
From: WARAKE, RAVINDRA RAMANAND; BHATTACHARYA, SUBRATA
To: JOHNSON CONTROLS TYCO IP HOLDINGS LLP
Reel/Frame 062399/0528 →
Priority Claims (1)
IN 202121053541 · Nov 22, 2021 · national
Continuity (1)
Related Publication 20230164163A1 · May 25, 2023
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