Abbreviation for Malicous Software (malicious software), malware is software designed to steal, alter or destroy data in order to harm its owner or the
operation of a computer system.
Here is a table that ranks malware according to its frequency and dangerousness
| Types of malware | Frequency | Danger | Difficulty of eradication | |
|---|---|---|---|---|
| Virus | 🔥🔥🔥🔥 | 💀💀💀 | 🧹🧹🧹 | |
| Ransomware | 🔥🔥🔥🔥🔥 | 💀💀💀💀💀 | 🧹🧹🧹🧹 | |
| Spyware | 🔥🔥🔥🔥 | 💀💀💀 | 🧹🧹🧹 | |
| Trojan horse | 🔥🔥🔥🔥 | 💀💀💀💀💀 | 🧹🧹🧹🧹 | |
| Ver | 🔥🔥🔥 | 💀💀💀💀 | 🧹🧹🧹 | |
| Adware | 🔥🔥🔥🔥🔥 | 💀 | 🧹🧹🧹🧹 | |
| Rootkit | 🔥🔥🔥 | 💀💀💀💀💀 | 🧹🧹🧹🧹🧹 | |
| Botnet | 🔥🔥🔥 | 💀💀💀💀 | 🧹🧹🧹🧹🧹 |
Please note: the phishing is not malware in the strict sense of the word, since it is not software, but a fraud technique. Phishing, on the other hand, can contain malware.

