 |
||
| Fault Classification |
| Nature | Origin | Persistence | Usual Labelling | |||||||
| Phenomenological cause | System boundaries | Phase of creation | ||||||||
| Accidental Faults | Intentional Faults | Physical Faults | Human -made Faults |
Internal Faults | External Faults | Design Faults | Operational Faults | Permanent Faults | Temporary Faults | |
| X | - | X | - | X | - | - | X | X | - | Physical faults |
| X | - | X | - | - | X | - | X | X | - | |
| X | - | X | - | - | X | - | X | - | X | Transient faults |
| X | - | X | - | X | - | - | X | - | X | Intermitent faults |
| X | - | - | X | X | - | X | - | - | X | |
| X | - | - | X | X | - | X | - | X | - | Design faults |
| X | - | - | X | - | X | - | X | - | X | Interaction faults |
| - | X | - | X | X | - | X | - | X | - | Malicious logic |
| - | X | - | X | X | - | X | - | - | X | |
| - | X | - | X | - | X | - | X | X | - | Intrusions |
| - | X | - | X | - | X | - | X | - | - | |
by /Laprie, 92/