| Abbreviation | Definition |
|---|---|
| LE | Live Encoding |
| LEDS | Lightweight Easy Debugging Service |
| LGPO | Local Group Policy Object |
| LIDS | Linux Intrusion Detection System |
| LLI | Last Login Identification |
| LLP | Lattitude Longitude Position |
| LO | Log Out |
| LOC | Low Overhead Cipher |
| LOH | List Of Hashes |
| LOSC | Letter Of Security Cognizance |
| LSASS | Local Security Authority Subsystem Service |
| LSM | Linux Security Module |
| LSO | Local Shared Object |
| LSS | Location Signature Sensor |
| LUA | Least-privileged User Account |
| LUP | Least User Privilege |
| LVE | Lightweight Virtual Environment |
| LVQ | Learning Vector Quantization |
| LZW | Lempel-Ziv-Welch |
| M/S | Master/Session |