Valid

GB/T 46334-2025Security testing methods for critical network devices - Programmable logic controller (PLC) (English PDF)

网络关键设备安全检测方法　可编程逻辑控制器（PLC）

Preview PDF

This is a limited preview

Buy now to download the full PDF (16 pages)

Need quotation for your management?

Get a formal quotation for GB/T 46334-2025 in 30 minutes.

Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 5, 2025

Implementation date

May 1, 2026

Scope

GB/T 46334-2025 is the English-translated version of 网络关键设备安全检测方法　可编程逻辑控制器（PLC）.

GB/T 46334-2025 is the Chinese standard "Security testing methods for critical network devices - Programmable logic controller (PLC)". Its scope clause reads: This document describes the methods for testing the safety functions of programmable logic controllers and for evaluating their safety assurance.

This document applies to the research, development, testing, and other work related to programmable logic controllers that meet the requirements of network critical equipment.

Note. Meeting the scope of network critical equipment refers to the equipment's performance indicators or specifications conforming to the provisions of the "Catalogue of Network Critical Equipment and Network Security Dedicated Products". The range. Its clauses include terms and definitions.

Found what you need?

Document preview — GB/T 46334-2025

National Standard of the People's Republic of China

ICS: 35.030
Classification: L 80

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Abbreviations
5.Test Environment
6.Safety Function Testing Methods
6.1 Equipment Identification Safety
6.2 Redundancy, Backup Recovery, and Anomaly Detection
6.3 Vulnerability and Malicious Program Prevention
6.4 Security of Pre-installed Software Startup and Updates
6.5 User Identification and Authentication
6.6 Access Control Security
6.7 Log Audit Security
6.8 Communication security
6.9 Data Security
7.Security Assurance Assessment Methods 9.
7.1 Supply Chain Security
7.2 Design and Development
7.3 Production and Delivery
7.4 User Data Protection
References

1 Scope

This document describes the methods for testing the safety functions of programmable logic controllers and for evaluating their safety assurance.

This document applies to the research, development, testing, and other work related to programmable logic controllers that meet the requirements of network critical equipment.

The range.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 25069 Information Security Technical Terminology

GB/T 45406-2025 Security Technical Requirements for Critical Network Equipment - Programmable Logic Controllers (PLCs)

3 Terms and Definitions

The terms and definitions defined in GB/T 25069 and the following terms and definitions apply to this document.

3.1

Electronic systems for digital operation in industrial environments. The system uses programmable memory as internal registers for user-instruction-oriented operation.

Devices perform specified functions, such as logic, sequencing, timing, counting, and arithmetic, and control various types of machinery or equipment through digital or analog I/O.

process.

[Source. GB/T 15969.1-2007, 3.5, with modifications]

3.2 Pre-installed software

Software installed or provided at the time of manufacture that is necessary to ensure the normal operation of the equipment.

Note. The pre-installed software of a programmable logic controller is usually the device firmware.

[Source. GB 40050-2021, 3.10, with modifications]

3.3 Read

Upload the pre-installed software, programs, status parameters, and other data from the programmable logic controller.

3.4 Write

The pre-installed software, programs, status parameters and other data are downloaded to the programmable logic controller.

3.5 Vulnerability

Vulnerabilities in assets or controls that could be threatened or exploited.

GB 46864 | GB/T 43696 | GB/T 43779 | GB/T 20274.2 | GB/T 20272 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 46334

Edition	Title	Revision	Status
GB/T 46334-2025	Security testing methods for critical network devices - Programmable logic controller (PLC)	current edition	Current

This page sells the current edition, GB/T 46334-2025. Earlier editions are listed for reference only.

How to Download GB/T 46334-2025

1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.