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First Session
Introduction to embedded security
- Embedded Security Trends
- Embedded Systems Complexity
- Network connectivity
- Reliance on Embedded Systems for Critical Infrastructure
- Processor consolidation
- Security policies
- Perfect Security
- Confidentiality, Integrity, and Availability
- Isolation
- Information Flow Control
- Physical Security Policies
- Application-Specific Policies
- Security Threats
Writing Secure C/C++ Code
- Safe use of pointers
- Memory allocation and corruption
- Buffer overflow
- Return Oriented Programming
- Core embedded Operating system Security Requirements
- String and format functions
- Integer security
- Concurrency
- File I/O
| Exercise: |
Memory Overflow Attacks |
Second Session
Secure Coding
- Coding Standards
- Case Study: MISRA C:2012 and MISRA C++:2008
- Embedded C++
- Complexity Control
- Static Source Code Analysis
- Creating a Tailored Organizational Embedded Coding Standard
- Dynamic Code Analysis
| Exercise: |
Use of static analysis tools |
Cryptography Overview
- Cryptographic Modes
- Block Ciphers
- Authenticated Encryption
- Public Key Cryptography
- Key Agreement
- Public Key Authentication
- Elliptic Curve Cryptography
- Cryptographic Hashes
- Message Authentication Codes
- Random Number Generation
- Key Management for Embedded Systems
| Exercise: |
Memory Overflow Attacks |
Third Session
Transport Layer Security
- Secure communications
- Authentication
- IoT Protocols
- MQTT
- DTLS
- HTTPS
- CoAP
- TLS Implementation
- Wireless LAN Security and Threats
| Exercise: |
Installing and using certificates |
| Exercise: |
Sending secure messages with TLS |
Secure Embedded System Software Architecture
- Secure software architecture goals
- Least privilege, trust and secure processes
- Arm Platform Security Architecture (PSA)
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Secure Embedded System Hardware Architecture
- Crypto-Accelerator Overview
- Arm TrustZone
- Secure boot and update
- Hardware options for security
Fourth Session
System Software Consideration
- The Operating System
- Multiple Independent Levels of Security
- Information Flow
- Data Isolation
- Damage Limitation
- Periods Processing
- Tamper Proof
- Evaluable
- Core embedded Operating system Security Requirements
- Memory Protection
- Virtual Memory
- Guard Pages
- Location obfuscation
- Fault Recovery
- Impact of Determinism
- Secure Scheduling
- Hypervisors and System Virtualization
- Introduction to System Virtualization
- Applications of System Virtualization
- Environment Sandboxing
- Virtual Security Appliances
- Hypervisor Architectures
- Paravirtualization
- Leveraging Hardware Assists for Virtualization
- Hypervisor Security
- I/O Virtualization
- Remote Management
- Assuring Integrity of the TCB
- Trusted Hardware and Supply Chain
- Secure Boot
- Static versus Dynamic Root of Trust
- Remote Attestation
| Exercise: |
Memory Protection (MPU) |
| Exercise: |
ARM TrustZone |
| Exercise: |
Secure Boot |
Fifth Session
Data Protection Protocols for Embedded Systems
- Data-in-Motion Protocols
- Generalized Model
- Choosing the Network Layer for Security
- Ethernet Security Protocols
- IPsec versus SSL
- IPsec
- SSL/TLS
- Embedded VPN Clients
- DTLS
- SSH
- Custom Network Security Protocols
- Secure Multimedia Protocols
- Broadcast Security
- Data-at-Rest Protocols
- Choosing the Storage Layer for Security
- Symmetric Encryption Algorithm Selection
- Managing the Storage Encryption Key
Testing for Security
- Basic Testing Methods
- White-Box Testing
- Black-Box Testing
- Grey-Box Testing
- Fuzz-Testing
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