| IDS | IPS |
|---|---|
| IDS stands for Intrusion Detection Systems. | IPS stands for Intrusion Prevention Systems. |
| IDS can only detect intrusions, but it is unable to prevent intrusions. | IPS can detect as well as prevent intrusions. |
| IDS is a monitoring system. | IPS is a control system. |
| IDS requires a human or another system to look at the results. | IPS only requires a regularly updated database with the latest threat data. |