# secure element

> isolated and secure electronic component

**Wikidata**: [Q19365733](https://www.wikidata.org/wiki/Q19365733)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Secure_element)  
**Source**: https://4ort.xyz/entity/secure-element

## Summary
A secure element is an isolated and secure electronic component, typically functioning as a coprocessor that operates independently from the main processor to protect sensitive data and execute secure operations.

## Key Facts
- A secure element is an isolated and secure electronic component.
- It functions as a coprocessor that executes under the logical control of a main processor.
- It's commonly abbreviated as SE.
- It's classified as a subclass of coprocessor.
- STMicroelectronics produces a secure element called STSAFE.
- It has a sitelink count of 4 across different sources.
- The Google Knowledge Graph identifies it with ID /g/11b75g663p.

## FAQs
### Q: What is the main purpose of a secure element?
A: It's designed to protect sensitive data and execute secure operations by operating independently from the main processor.

### Q: How does a secure element differ from regular memory or storage?
A: It provides hardware-level isolation and security features that regular memory or storage lacks, making it suitable for handling confidential information.

### Q: What types of devices commonly use secure elements?
A: They're used in mobile phones, smart cards, and other devices that require secure storage and processing of sensitive information.

### Q: Who manufactures secure elements?
A: Companies like STMicroelectronics produce secure elements, with their STSAFE being a notable example.

## Why It Matters
Secure elements play a critical role in modern digital security by providing a hardware-based solution to protect sensitive data from unauthorized access. They solve the problem of securing personal information, cryptographic keys, and payment data in devices that might otherwise be vulnerable to software attacks. The isolation feature ensures that even if the main processor is compromised, the secure element remains protected, making it essential for applications like mobile payments, digital identities, and secure authentication. This hardware-based security approach has fundamentally changed how sensitive information is handled in consumer electronics and financial systems.

## Notable For
- Functions as a coprocessor that operates independently from the main processor
- Provides hardware-level isolation and security features
- STMicroelectronics produces a specific type called STSAFE
- Is classified as a subclass of coprocessor
- Uses the alias "SE" for common reference

## Body
### Classification and Function
Secure elements are classified as coprocessors that execute under the logical control of a main processor while maintaining isolation from the main system. This design allows them to handle sensitive operations without exposing them to the main processor's potential vulnerabilities.

### Technical Characteristics
The secure element operates as an isolated electronic component that provides hardware-based security features. It's designed to protect sensitive data through physical and logical isolation mechanisms. The STMicroelectronics STSAFE is a specific implementation of this technology.

### Usage and Applications
Secure elements are commonly used in mobile devices, smart cards, and other systems requiring secure storage and processing of confidential information. They're particularly important for applications involving financial transactions, digital identities, and cryptographic operations.

### Security Features
The primary function of a secure element is to provide hardware-level security that protects sensitive data from software-based attacks. By operating independently from the main processor, it ensures that even if the main system is compromised, the secure element remains secure.

### Industry Standards
While the source material doesn't specify particular standards, the classification as a coprocessor and the isolation features suggest adherence to industry security standards for secure hardware implementations. The STMicroelectronics STSAFE represents a commercial implementation of this technology.